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1
Q
A
2
Q

All Incisors are formed by—-developmental lobes

—– on facial, —- on lingual

A

All Incisors are formed by four developmental lobes three on facial, one on lingual

3
Q

Most dominant tooth of “smile zone”

A

Maxillary Central Incisor

4
Q

Single central incisor most challenging to restore esthetically

A

Maxillary Central Incisor

5
Q

tf max. central incisor facial surface

Crown is slightly longer incisogingivally than mesiodistally

A

T

6
Q

tf max central inc facial surface; Root is conical and straight; may incline mesially

A

F

distally

7
Q

Correct the following; max central incisor–>

Mesial outline relatively round with contact at incisal 2/3 • Distal outline straight with contact at junction of incisal and middle thirds

A

Mesial outline relatively straight with contact at incisal 1/3 • Distal outline more rounded with contact at junction of incisal and middle thirds

8
Q

max. central incisor–>Incisal edge straight with —- mamelons;

mesio-incisal angle —–, distoincisal angle more ——-

A

Incisal edge straight with 3 mamelons;

mesio-incisal angle sharp, distoincisal angle more rounded

9
Q

correct the following;

Maxillary central incisor

Two deep developmental depressions between the 4 facial lobes

A

Two shallow developmental depressions between the three facial lobes

10
Q

TF Lingual aspect of max. central incisor is narrower than facial aspect mesiodistally

A

T

11
Q

Cingulum (bulky convexity at cervical 1/3 of lingual aspect) formed by lingual developmental lobe

A

on lingual aspect of max central incisor

12
Q

TF max central incisor;

the central portion of the cingulum is typically located mesial to the center on the crown

A

F distal

13
Q

lingual fossa is created by 3 ridges in the max central incisor

A

F

4–> cingulum, mesial, distal, incisor

14
Q

TF lingual fossa of max central inc. May have developmental grooves in fossa and lingual pit

A

T

15
Q

Crown roughly triangular or wedge shaped

A

max central incisor(mesial)

16
Q

tf

max central inc –> Incisal tip and root apex lingual to bisecting line

A

Incisal tip and root apex on bisecting line

17
Q

mesial aspect of max central incisor

CEJ line curves greatly toward —-

A

CEJ line curves greatly toward incisal (

18
Q

tf incisal ridges are visible from mesial surface of max central inc.

A

T

19
Q

which is false about max central incisors from distal surface?

Shorter incisocervically than mesial

CEJ line more pronounced than mesial

Contact area more cervically positioned than mesial

A

B

CEJ line less pronounced than mesial

20
Q

Max central incisor

tf

Due to the turn of the tooth along the arch, you see more of the facial surface of the crown from the distal view. Also, the mesial marginal ridge is not visible from this view

A

t

21
Q

incisal of max central incisor

A

Roughly triangular outline

22
Q

wider mesiodistally than faciolingually

A

max central inc (incisal view)

23
Q

tf

only has max central incisor has only Distinct mesio-facial line angles

A

Distinct mesio-facial and distofacial line angles

24
Q

max lat incisors

Termed incisal —- when newly erupted (slightly rounded); after wear it becomes flattened and is termed incisal —-

A

Termed incisal ridge when newly erupted (slightly rounded); after wear it becomes flattened and is termed incisal edge

25
Q

tf

incisal view of max central inc

The proximal contacts are in the middle of the middle third of the crown and in line with the incisal ridge

A

t

26
Q

max central incisor

cingulum is positioned slightly —- to the bisecting line which yields a slightly —- mesial outline of the lingual surface vs. the distal

A

cingulum is positioned slightly distal to the bisecting line which yields a slightly longer mesial outline of the lingual surface vs. the distal

27
Q

cervical cross section of max central incisors;

Horizontal cross-section at the —- region shows an external —– ——-outline form

and also a —— —— outline form of the pulp

A
28
Q

incisal view of max central incisor

1) Cingulum
2) Mesial marginal ridge
3) ——-
4) Lingual fossa

A

1)Cingulum 2) Mesial marginal ridge 3) Distal marginal ridge 4) Lingual fossa

29
Q

Crown to Root Ratio 1: 1 ½ of max central incisors

A

1;1.5

30
Q

max central incisor

Single, —–, relatively straight; may incline —-

—— pulp canal

A

Single, conical, relatively straight; may incline distally

single pulp canal

31
Q

“Peg” lateral and Sometimes congenitally missing

A

Maxillary Lateral Incisor

32
Q

Sometimes congenitally missing

A

max lat incisors

33
Q

Over 60% of the maxillary central incisor specimens showed —- canals

A

Over 60% of the maxillary central incisor specimens showed accessory canals

34
Q

tf max lat incisor Exhibits less curvature than central

A

F Exhibits more curvature than central

35
Q

tf max lat incisor Mesial outline straighter than the distal outline

A

t

36
Q

max lat incisors have — when newly erupted

A

mammelons

37
Q

correct the statement

max lat incisor–>

More rounded incisal angles (DI < rounded than MI)

A

max lat incisor–>

More rounded incisal angles (DI > rounded than MI)

38
Q

tf max lat inc.–>

Incisal edge may slope gingivally toward mesial aspect

A

f

Incisal edge may slope gingivally toward distal aspect

39
Q

tf max lat incisor Shorter and narrower than central incisor

A

t

40
Q

max lateral incisor –>Root— with — inclination

A

Root conical with distal inclination

41
Q

(narrow mesiodistally broad faciolingually

A

root of max lat incisor

42
Q

Crown and root taper to the —- in max lat incisor

A

Crown and root taper to the lingual

43
Q

max lat incisor –> less prominent cingulum and marginal ridges than central

A

F

More prominent cingulum and marginal ridges than central

44
Q

Deeper lingual fossa which may have developmental grooves or lingual pit

A

max lat incisor

45
Q

Most pronounced lingual anatomy of all anteriors

A

max lat incisor

46
Q

lat max incisor

Root uniformly —–

Root apex usually inclines —-

A

Root uniformly convex

Root apex usually inclines distally

47
Q

lat max incisor

mesial view

A

Wedge-shaped crown

48
Q

Incisal ridge broader faciolingually

A

mesial of max lat incisor

49
Q

mesial max lat incisor

A

Incisal edge is over center of tooth

50
Q

tf mesial view of max lat incisor–>CEJ line is more pronounced than central

A

CEJ line is less pronounced than central

51
Q

tf

max lat incisor Cingulum may be slightly more convex than central

A

t

52
Q

tf

distal view of max lat incisors–>Facial contour more rounded than central

A

t

53
Q

TF

Distal CEJ is less curved than mesial of max lat incisor

A

T

54
Q

More ovoid crown outline form

A

max lat incisors

55
Q

More convex facially and lingually than central incisor

A

max lat incisor

56
Q

Marginal ridges and cingulum more prominent than central incisor

A

max lat incisor

57
Q

Cingulum more centered

A

on max lat incisor

58
Q

proximal contact in line in the middle of the middle third of the crown and the incisal ridge

A

max lat and central incisor

59
Q

Horizontal cross-section at cervical region shows a more —- outline form (pulp also)

A

Horizontal cross-section at cervical region shows a more ovoid outline form (pulp also); single root

max lat incisor

60
Q

Wider faciolingually than mesiodistally

A

max lat incisor

61
Q

Wider mesiodistally at the labial than the lingual

A

max lat incisor

62
Q

developmental groove in the root of teeth that may continue apically down the root.

A

Radicular grooves (RGs)

63
Q

Grooves run from the beginning of the ——- and along the root surface to the —-.

A

Grooves run from the beginning of the cemento-enamel junction (CEJ) and along the root surface to the apex.

64
Q

the course of the radicular grooves is —-.

A

the course of the grooves is straight.

65
Q

most often located on the palatal aspect of maxillary lateral incisors,

A

Radicular grooves

66
Q

radicular grooves

A

and rarely on the labial root surface of the central incisors.

67
Q

distal position dominating, as it occurs in approximately 70% of cases

A

radicular grooves

68
Q

promotes accumulation of difficult-to-remove plaque and calculus

A

radicular grooves

69
Q

A

A

Histological sulcus

70
Q
A
71
Q

prognosis of pulp diseases and/or periapical inflammation

in presense of radicular grove

A

depends in part on the groove’s extension,

the depth of the groove,

and the relation of the groove to the pulp cavity

72
Q

distal occlusion

A

retrognathic profile

73
Q

mesial occlusion

A

prognathic profile

74
Q

horizonta overlap

A

overjet

75
Q

vertical overlap

A

overbite

76
Q

Biological width

A

Epithelial attachment (0.97 mm) +

Connective tissue attachment (1.07 mm)

77
Q

tf retrognathic profile is more prevalent than prognathic profile

A

T

22% vs. 6%

78
Q

ant guidanc

A

Contact of maxillary incisors and mandibular incisors to guide mandible downward to create disarticulation of the posterior teeth

79
Q

covered by enamel vs covered by cemenum

A

anatomic crown vs. anatomic root

80
Q

The portion of a tooth that is above the gingival margin.

A

Clinical Crown

81
Q

Narrowest and shortest of all permanent teeth

A

Mandibular Central Incisor

82
Q

Mandibular Central Incisor

A

Crown to root ratio approaching one to one

83
Q

single canal from crown to apex

A

type 1 vertuccir

84
Q

pulp separates in two near the crown and joins back together at apex to form one root canal

A

type 2 vertucci classification

85
Q

root separate into 2 distinct canals and extends to root apex separately

A

type 4 vertucci

86
Q

starts as one root canal in pulp chamber and divides into 2 as it reaches apical foramen

A

type 3 vertucci

87
Q

slightly larger in all dimensions than central incisor and not bilaterally symmetric

A

Mandibular Lateral Incisor

88
Q

Crown is bilaterally symmetrical (mesial and distal halves are almost identical)

A

Mandibular Central Incisor

89
Q

tf Mandibular Central Incisor

dont have mamelon

A

f

Mamelons when newly erupted

90
Q

Mandibular Central Incisor

Incisal edge straight; —– to long axis of tooth

A

Incisal edge straight; perpendicular to long axis of tooth

91
Q

tf Mandibular Central Incisor;

round MI and DI angles

A

Sharp MI and DI angles (~90°)

92
Q

tf Mandibular Central Incisor

Facial surface quite rough

A

F

Facial surface quite smooth

93
Q

correct the statement

Mandibular Central Incisor Root long , straight, spherical, very wide mesiodistally

A

Mandibular Central Incisor Root short, straight, conical, very narrow mesiodistally

94
Q

Relatively smooth lingual aspect of Mandibular Central Incisor

A

T

95
Q

Mandibular Central Incisor–>

Crown tapers to the lingual on lingual surface

(not root)

A

T

Mandibular Central Incisor–>

Crown tapers to the lingual (not root)

96
Q
A
97
Q

max incisors have Less prominent cingulum, marginal ridges, and lingual fossa than Mandibular Central Incisor

A

F

Mandibular Central Incisor have

Less prominent cingulum, marginal ridges, and lingual fossa than maxillary incisors

98
Q

Mandibular Central Incisor;

Incisal edge slightly lingual to bisecting line(mesial aspect)

A

T

99
Q

Maxillary Central Incisor

A

triangular or wedge shaped

100
Q

tf Mandibular Central Incisor

have Pronounced CEJ line (less than maxillary central)

A

t

101
Q

S – shaped on lingual (slightly convex cingulum; slightly concave fossa)

A

Mandibular Central Incisor

102
Q

Root broad faciolingually

A

Mandibular Central Incisor

103
Q

Mandibular Central Incisor distal aspect

A

CEJ less pronounced than mesial

104
Q

Incisal edge straight and slightly lingual to center

A

Mandibular Central Incisor

105
Q

Incisal edge perpendicular to faciolingual bisecting line

A

Mandibular Central Incisor

106
Q

tf mandib. facial incisor is Wider mesiodistally than

faciolingually

A

f

Wider faciolingually than mesiodistally

107
Q

tf central mandib incisor have a trapezoidal shape

A

f

Roughly triangular crown outline form

108
Q

tf Mandibular Central Incisor

Cingulum centered but may be slightly offset distally

A

T

109
Q

Mesial and distal portions symmetrical

A

Mandibular Central Incisor incisal view

110
Q

Single, short, and straight

A

root of Mandibular Central Incisor

111
Q

Narrow mesiodistally

Broad faciolingually

A

root of

Mandibular Central Incisor

112
Q

narrow, elongated ribbon shaped pulp

A

Cervical cross-section of Mandibular Central Incisor

113
Q

tf Mandibular Central Incisor have only one pulp canal

A

f Often two pulp canals

(one facial, one lingual)

114
Q

Hour glass shape

A

Mandibular Central Incisor

115
Q

Mandibular Central Incisor

A

Narrow mesiodistally

Broad faciolingually

116
Q

tf Mandibular Central Incisor only have mesial root concavities

A

f

Mandibular Central Incisor

Usually mesial and distal root concavities

117
Q

facial and lingual pulp canal

A

Mandibular Central Incisor

118
Q

Erupts at age 7-8

A

Mandibular Lateral Incisor

119
Q

tf Mandibular Lateral Incisor isnt bilat symmtericall

A

T

120
Q

Tf Mandib. Central incisors slightly larger in all dimensions than Mandibular Lateral Incisor

A

f

Mandibular Lateral Incisor slightly larger in all dimensions

121
Q

facial aspect of Mandibular Lateral Incisor

A

Incisal edge slopes gingivally toward distal

122
Q

tf Mandibular Lateral Incisor

MI angle slightly more rounded than DI angle

A

Mandibular Lateral Incisor

DI angle slightly more rounded than MI angle

123
Q

tf

Mandibular Lateral Incisor(facial view)

Mesial outline straighter than distal outline

A

T

124
Q

tf

Root apex may curve mesially in Mandibular Lateral Incisor

A

f distally

125
Q

Facial surface smooth and flat in the incisal 2/3

A

Mandibular Lateral Incisor

126
Q

smooth surface lingual anatomy

A

Mandibular Lateral and central Incisor

127
Q

Cingulum is slightly distal to the center of the crown

A

Mandibular Lateral Incisor

128
Q

Crown tapers towards lingual

A

Mandibular Lateral Incisor

129
Q

tf in

Mandibular Lateral Incisor

Distal marginal ridge is slightly shorter than mesial marginal ridge due to slope

A

t

130
Q

CEJ line less pronounced

A

Mandibular Lateral Incisor< central incisor

131
Q

facial HOC and lingual HOC in cervical third

A

mandibular lateral and central incisor

132
Q

incisal edge lingual to bisecting line(mesial aspect)

A

mandib. central and lat incisor

133
Q

root broad faciolingually and concavity present on mesial surface

A

mandib lateral incisor

134
Q

CEJ line less curved than mesial

A

Mandibular Lateral Incisor

(distal view)

135
Q

distal surface is shorter incisogingivally than mesial surface

A

Mandibular Lateral Incisor

136
Q

Mandibular Lateral Incisor

A

crown is “twisted”

137
Q

More of incisal ridge and facial surface shows from distal aspect

A

on Mandibular Lateral Incisor

138
Q

deep concavity on distal surface

A

Mandibular Lateral Incisor

139
Q

Root short, straight, conical, very narrow mesiodistally

A

Mandibular Central and lateral Incisor

140
Q

Crown appears as if twisted at its base

A

Mandibular Lateral Incisor(incisal view)

141
Q

tf

Mandibular Lateral Incisor

Incisal edge not perpendicular to faciolingual bisecting line;

A

F

Incisal edge not perpendicular to faciolingual bisecting line;

142
Q

distal aspect of incisal edge more lingually positioned in

A

Mandibular Lateral Incisor

143
Q

Mandibular Lateral Incisor

A

Cingulum more noticeably displaced toward the distal

144
Q

central incisor root; may incline distally

A

root of Mandibular Lateral Incisor

145
Q

May have shallower root concavities on mesial and distal

A

Mandibular Lateral Incisor

146
Q

Mandibular Lateral Incisor

cervical cross section

A

longer faciolingualy than distal mesially

147
Q
A
148
Q

canine

A

longest teeth in mouth

149
Q

Transitional form (and function) between incisors and premolars

A

Maxillary Canine

150
Q

Four Developmental Lobes (3F/1L)

A

canines

151
Q

longest teeth

A

canines

152
Q

crown to root ratio of canine

A

1;2

153
Q

tf canines have

smaller crown than incisors

A

f

fCrown longer than incisors

154
Q

Last tooth to be lost generally

A

max canine

155
Q

Transitional form and function

A

mandib canine

156
Q

Four Developmental Lobes

A

mandib canine

157
Q

roots curve

A

distally(canine)

158
Q

tf in canines distal crown contours are usually less rounded than the mesial

A

f

distal crown contours are usually more rounded than the mesial

159
Q

tf canine distal contact areas appear more gingivally positioned

A

t

160
Q

tf max canine

Cusp tip in line with center of crown but mesial to center of the root

A

f

Cusp tip in line with center of root but mesial to center of the crown

161
Q

max canine(facial)

A

concave b/n cervical line and contact area

162
Q

tf max canine–>Mesial cusp ridge (slope) is shorter than the distal

A

t

163
Q

longer and Central sl. wider M-D

than incisors

A

max canine

164
Q

slightly convex vs. very convex

A

Mesial vs distal

max canine

165
Q

concavity on

A

distal max canine

166
Q

tf–> max canine–>Prominent facial ridge (middle lobe) sl. distal to center

A

f

Prominent facial ridge (middle lobe) sl. mesial to center

167
Q

longest root of any tooth

A

max canine

168
Q

distal outline straighter than mesial outline

A

max canine

169
Q

max canine

A

apical third–slight distal inclination

170
Q

max canine

A

smooth convex facial surface

171
Q

Lingual of max canine

A

sinculum and 2 marginal ridge

172
Q

tf ML fossa larger than the DL fossa in max canine

A

F

ML fossa (smaller) and DL fossa (larger)

173
Q

tf max canine has a Lingual ridge extending from cingulum to cusp tip;

A

t

174
Q

TF Lingual aspects of max canine crown and root narrower than facial mesiodistally

A

T

175
Q

CEJ line may be flattened or straight instead of uniformly convex in cingulum area

A

max canine

176
Q

max canine

A

mesial marginal ridge

distal marginal ridge

177
Q

max canine

A

incisal ridge

lingual ridge

singula

178
Q

wedge shape

A

mesial from maxillary canine side

179
Q

max canine mesial aspect

A

slightly rounded to flat

–> labial outline from HOC 2 incisal

180
Q

max canine

A

(Lingual)

convex at cingulum

181
Q

CEJ curves evenly towards incisal

A

mesial aspect of max canine

182
Q

tf max canine Cusp tip sl. lingual to center of crown

A

Cusp tip sl. facial to center of crown

183
Q

tf there is no depression on max canine mesial aspect

A

T

184
Q

faciolingually in cervical 2/3

A

max canine on mesial side

185
Q

tf max canine CEJ line less curved mesial than distally

A

f

CEJ line less curved distally than mesial

186
Q

Marked depression in middle third of crown

A

max canine distal side

187
Q

tf max canine incisal form is symtrical

A

Outline form of max canine is not symmetrical
mesial half is flat and broad faciolingually; distal half is highly convex and narrow

188
Q

mesial and facial–>

A

cusp tip of max canine

189
Q

tf mesiodistally > facialingually of max canine

A

F

facialingually > mesiodistally

190
Q

tf developmental depressions between 2 lobes on max canine

A

F

between 3 lobes

191
Q

Mesial outline smoothly convex; distal outline exhibits distinct prominence

A

max canine(incisal view)

192
Q

max canine display Proximal contacts, cusp slopes, and cusp tip on—— line

A

Proximal contacts, cusp slopes, and cusp tip on straight line

193
Q

Cingulum is prominent and centered ——

A

Cingulum is prominent and centered mesiodistally

194
Q

tf max canine has a Facial ridge is prominent;distal to center of crown

A

Facial ridge is prominent; mesial to center of crown

195
Q

max canine have

A

distinct fossa and marginal ridge

196
Q

Longest root of all teeth

A

max canine

197
Q

max canine root

A

Generally wider faciolingually than mesiodistally

198
Q

tf max canine has a single pulp canal

A

T

199
Q

max canine

has a root;Apical third may incline mesially

and have Possible bifurcation

A

has a root;Apical third may incline distally

and have Possible bifurcation

200
Q

max canine

A

shallow developmental depressions proximally

201
Q

tf

Only distal root depressions prominent on Max canine

A

Mesial and distal root depressions prominent

202
Q

max canine;

A

Root canal is wide faciolingually and narrow mesiodistally

203
Q

Last tooth to be lost generally

A

mand canine

204
Q

2nd largest tooth in mouth

A

mand canine

205
Q

tf mandib canineis wider than max canine

A

F

mandib canine is narrower

206
Q

round to straight;

A

distal crown ; mesial crown of mand canine

207
Q

correct the following

Mesial cusp ridge (slope)longer and less horizontal than distal slope(mand canine)

A

Mesial cusp ridge (slope) shorter and more horizontal than distal slope

208
Q

crowns of mand canine

A

tilted distally with respect to long axis of tooth

209
Q

mandib canine; Cusp tip in line with

A

center of root

210
Q

mandib canine –> Prominent facial ridge

A

with two adjacent developmental depressions

211
Q

tf mandib canine have a round root apex

A

f

sharp inclining distally

212
Q

mandib canine

Lingual surface rough and

irregular

A

Lingual surface smooth and

regular

(mandib canine)

213
Q

tf

mandib canine–>more prominent Cingulum, marginal ridges, lingual ridge, and fossaethan max canine

A

F

less prominent

214
Q

tf Crown and root of mandib canine taper to the lingual

A

T

215
Q

tf mandib canine have Mesial and distal root developmental depressions

A

t

216
Q

mesial and distal fossa separated by

A

lingual ridge in mandib canine

217
Q

tf mandib canine have 4 ridges on lingual

A

f 5

Incisal Ridge (Cusp tip with M and D marginal ridges)

Mesial marginal ridge

Distal marginal ridge

Cingulum

Lingual ridge

218
Q

tf mandib canine have more labial (facial) curvature than maxillary canine

A

f

mandib canine have Less labial (facial) curvature than maxillary canine

219
Q

tf mandib canine have a more pronounced lingual profile

A

less pronounced

220
Q

narrow faciolingually than max canine

A

mesial max canine

221
Q

mand canine (mesial aspect)–>Cusp tip slightly —- to bisecting line

A

mand canine (mesial aspect)–>Cusp tip slightly lingual to bisecting line

222
Q

tf mand canine contain no

A

mesial root depression

223
Q

tf on mesial aspect of mandib canine no distal marginal ridge is visible

A

Some of distal marginal ridge visible

224
Q

distal apsect of mandib canine

A

CEJ line less pronounced than mesial

225
Q

tf

distal surface of mandib canine longer mesial incisocervically

A

f

shorter

226
Q

distal aspect of mandib canine

rooth depression frm CEJ and ends premature to apex

A

Root depression from CEJ almost to apex

F

227
Q

incisal view of mandib canine

A

symmetrical and smooth outline form

228
Q

tf Crown is wider mesiodistally than faciolingually

(of mandibular canine)

A

rown is wider faciolingually than mesiodistally

F

229
Q

tf Cusp tip of mandib canine slightly distal and lingual to center of crown

and Cingulum slightly offset toward mesial

A

Cusp tip slightly mesial and lingual to center of crown

 Cingulum slightly offset toward distal

F

230
Q

tf lingual surface is more visible on incisal of mandib canine

A

F

facial surfac

231
Q

irregular ovoid outline form which taper toward lingual

A

cervical cross section of mandib canine

232
Q

tf Facial portion of mandib canine much wider than lingual portion

A

t

233
Q

tf

Root canal broad faciolingually and narrow mesiodistally in

madib canine

A

T

234
Q

flat but can have developmental depressions

A

mandib canine(cross section)

235
Q

haxagon

A

max premolar 1

236
Q

oval

A

max premolar 2

237
Q

diamond

A

mand pre molar 1

238
Q

square

A

mand pre molar 2

239
Q

Curve of Spee (called also von Spee’s curve or Spee’s curvature) is defined as the

A

curvature of the mandibular occlusal plane beginning at the tip of the lower incisors and following the buccal cusps of the posterior teeth, continuing to the terminal molar.

240
Q

buccal and palatal root

A

1st max pre molar

241
Q

single root

A

incisor

canines

pre molars

242
Q

3 types of roots of upper molars

A

mesiobuccal roots

distobuccal roots

palatal roots

243
Q

mandible single rooted teeth

A

incisors

pre molars

canine

244
Q

lower molars

A

mesial and distal roots

245
Q

axial inclinations of max second premolars

A

toward distal from buccal and lingual view

246
Q

axial inclination of max second premolars

A

toward lingual from

distal and mesial view

247
Q
A
248
Q

Resembles maxillary canine

A

Maxillary First Premolar

249
Q

tf max First Premolar resembles a canine by crown and root are longer

A

f crown and root are shorter

250
Q

Mesial portion of Maxillary First Premolar

A

gingival portion ;; concave

cervical portion; convex

251
Q

tf in max 1st pre molars ;Mesial ridge (slope) of B cusp longer than distal slope

A

t

252
Q

bell shaped crown

A

max 1st pre molar

253
Q

max 1st premolar

A

Prominent buccal ridge

254
Q

tf max 1st pre molar only has prominent MB line angle

A

f

prominent MB and DB line angles

255
Q

3 facial lobes

A

max 1st pre molar

256
Q

tf

there are developmental depressions between three facial lobes on max 1st pre molar

A

t

257
Q

correct the statement

max 1st pre-molar

Buccal CEJ curves evenly toward the apex in a concaver manner

A

Buccal CEJ curves evenly toward the apex in a convex manner

258
Q

tf

max 1st pre molar

Proximal contact level width has less width than at CEJ level (

A

F

Proximal contact level width much wider than at CEJ level (

259
Q

tf max 1st pre-molar

Cusp tip located just distal to center on the crown

A

T

260
Q

slight concavity ; smoothly convex on max 1st pre-molar

A

Mesial slope has sl. concavity Distal slope smoothly convex

261
Q

tf

max 1st pre-molar lingual aspect is Smaller in all dimensions than the buccal aspect

A

T

262
Q

tf only the crown converge toward lingual

on the lingual view of max 1st pre molar

A

f

Both crown and root converge toward lingual

263
Q

max 1st pre molar has depressions and ridge on lingual surface

A

F

Lingual surface is smooth

264
Q

tf Mesial and distal slopes of L cusp approximately form obtuse angle of max 1st pre molar.

A

f

Mesial and distal slopes of L cusp approximately form right angle

265
Q

Lingual cusp of max 1st pre molar well developed but longer, wider, and bigger than buccal cusp

A

f

Lingual cusp well developed but smaller, narrower, and shorter than buccal cusp

266
Q

characteristic of max 1st pre molar

A

Lingual cusp is offset toward the mesial

267
Q

trapezoidal outline shape

A

mesial aspect of max pre molar

268
Q

tf max 1st pre molar lingual cusp longer than Buccal cusp

A

Buccal cusp longer than lingual cusp

269
Q

tf max 1st pre molar

Occlusal table much smaller than buccolingual diameter of crown

A

t

270
Q

tf Triangular ridges of each cusp aren’t visible

of max 1st pre- molar

A

Triangular ridges of each cusp visible on mesial side of max 1st pre molar

271
Q

tf

on max 1st premolar B and L cusp tips well within confines of root trunk

A

T

B and L cusp tips well within confines of root trunk

272
Q

tf max 1st pre molar only has 1 root

A

f has 2 buccal and lingual

273
Q

longer root with sharper apex on max 1st pre-molar

A

buccal root of max 1s pre-molar

274
Q

on max 1st pre molar

Root trunk is thin and usually less than half the root length

A

on max 1st pre molar

Root trunk broad and usually greater than half the root length

275
Q

Mesial marginal ridge perpendicular to long axis,

A

max 1st pre molar

276
Q

on max 1st premolar

A

mesial marginal ridge interrupted by mesial marginal groove

277
Q

Mesial concavity on max 1st pre molar

A

middle of the cervical third extending down to the root bifurcation

278
Q

tf on max 1st pre molar distal aspect is smoother mesial aspect

A

t

279
Q

Marginal ridge perpendicular to long axis

A

distal aspect of max 1st pre molar

280
Q

No marginal groove or developmental depression

A

on distal side of max 1st pre molar

281
Q

occlusalcervical surface shorter;

mesial or distal of max 1st pre molar

A

distal side

282
Q

more occlusal surface visible of mesial or distal view of max 1st pre molar

A

Distal

283
Q

slight depression on root

A

distal aspect of max 1st pre molar

284
Q

mesial vs distal CEJ curvature towards the occlusal

on max 1st pre molar

A

less curved on the distal

285
Q

outline form of occlusal of max 1st premolar

A

Hexagonal outline form

286
Q

tf occlusal of max 1st pre molar is symmetric

A

f

assymetric

287
Q

wider buccolingually than mesiodistally

A

max 1st pre molar occlusal surface

288
Q

tf

max 1st premolar have Two well-developed cusps with distinct groove pattern

A

t

289
Q

Which of the following isnt a distinct groove pattern of

max 1st pre molar

MB

DB

C

M

ML

A

ML

290
Q

4 developmental lobes

A

max 1st premolar

M,d

Lingual, mid facial

291
Q

central grove separates

A

2 triangular ridges on max 1st pre molar

292
Q

tf max 1st premolar only has mesia marginal ridge

A

f

mesial and distal marginal ridge

293
Q

tf pits on max 1st pre molar

exist on the triangular ridges

A

f

on triangular fossae

294
Q

tf on max 1st pre molar

B & L heights of contour distal to center

A

f

B & L heights of contour mesial to center

295
Q

line angles on max 1st pre molar

A

MB and DB

296
Q

tf there is no buccal ridge on max 1st pre molar

A

F

its very prominent

297
Q

on max 1st pre molar M and D contacts

A

facial to center

298
Q

tf

on max 1st pre molar, Buccal cusp tip is distal to center with mesial slope longer than distal

A

t

299
Q

tf

mesial slope longer than distal on max 1st pre molar(buccal side)

A

t

300
Q

tf

on max 1st pre molar Buccal cusp ridges form straight line

A

f

Buccal cusp ridges form diagonal line

301
Q

on max 1st pre molar which ridge is shorter

mesial or distal

A

Mesial

302
Q

The only premolar that usually has two roots

A

max 1st pre molar

303
Q

which root is longer in max 1st pre molar

buccal or lingual

A

buccal

304
Q

tf only one pulp horn on the max 1st premolar

A

f 1 per cusp in max 1st pre molar

305
Q

Pulp chamber —– to B and L pulp canals

in max 1st pre molar

A

Pulp chamber occlusal to B and L pulp canals

306
Q

max 1st pre molar

A

kidney shaped cervical cross section

307
Q

max 1st pre molar is more bellshaped than max 2ns pre molar

A

t

308
Q

tf max 2nd pre molar buccal cusp shorter than max 1st pre molar

A

t

309
Q

entire crown may appear slightly shorter and narrower but average dimensions are nearly the same)

A

max 1st and 2nd pre molar

310
Q

tf mesial marginal ridge> distal marginal ridge

(of buccal cusp)(on max 2nd pre molar)

A

f

<

311
Q

tf max pre molar 2 Less angular than P1

A

t

312
Q

tf

more prominent facial ridge of max 2nd pre molar than 1st premolar

A

f

less prominent

313
Q

tf max 2nd premolar has

more rounded appearance of MB and DB line angles

than max 1st premolar

A

t

314
Q

tf max 2nd premolar has a sharper Buccal cusp tip than max 1st premolar

A

F

not as sharp

315
Q

tf max 1st pre molar has more curved CEJ than max 2nd premolar

A

T

316
Q

max 2nd pre molar

Root —– and smoothly —–

A

Root conical and smoothly convex

317
Q

max 2nd pre molar same size

A

lingual and buccal cusp

; no occlusal surface visible

318
Q

max 2nd pre molar

Smoothly —–crown and root; —– taper to lingual than teeth anterior to it

A

Smoothly convex crown and root; less taper to lingual than teeth anterior to it

319
Q

lingual aspect of max 2nd pre molar

L cusp tip slightly ——- to center

A

L cusp tip slightly mesial to center

320
Q

tf on mesial aspect of max 2nd pre molar

B > L cusps

A

f

B and L cusps are approximately the same size

321
Q

single root

A

max 2nd pre molar

322
Q

tf on max 2nd pre molar

there is mesial marginal groove but

No mesial concavity or developmental depression on crown

A

f

no mesial marginal ridge

323
Q

almost flat

A

CEJ of max 2nd premlar

(distal view)

324
Q

tf max 2nd pre molar has thin occlusal table

A

F

wide

325
Q

Smoothly convex

A

distal aspect of max second pre molar

326
Q

tf

More of occlusal surface is visible from mesial view than distal view of max 2nd pre molar

A

F

distal view has more occlusal table visible

327
Q

round and ovoid

A

occlusal view of max 2nd premolar

328
Q

line angles

A

rounded on max 2nd pre molar

329
Q

smooth outline

A

buccal outline of max 2nd pre molar(occlusal aspect)

330
Q

Wider occlusal table (B-L)

A

occlusal aspect of max 2nd pre molar

331
Q

short central groove with close M and D triangular fossa

A

occlusal aspect of mx 2nd premolar

compared to 1st

332
Q

B and L cusps nearly centered on buccolingual bisecting line

A

max 2nd pre molar

333
Q

tf max 2nd pre molar crown appears bilaterally symmetrical

A

t

334
Q

tf max 2nd pre molar only can have 1 pulp canal

A

F

can have 2

335
Q

no major root concavities

A

on max 2nd pre molar

336
Q

ovoid

A

cross section max 2nd pre molar

337
Q
A
338
Q

Functionally resembles canine;

A

mandib 1st pre-molar

339
Q

mandib 1st pre-molar

A

no significant lingual cusp; shorter root

340
Q

Larger crown and root than first premolar;

A

2nd mandib pre molar

341
Q

functionally resembles molar

A

Mandibular Second Premolar

342
Q

(One B cusp and one L cusp)

A

H and U type

mandib 2nd pre molar

343
Q

most common type of Mandibular Second Premolar

A

Y-type

344
Q

Y-type

A

One B cusp and two L cusps

345
Q

leeway’s space

A

Space gained by the difference in mesiodistal dimensions of the premolars and the primary molars

346
Q

sharp well defined cusp and similar to canine

A

buccal aspect of mandib 1st pre molar

347
Q

tf mand 1st pre molar has a bell shaped crown

A

T

348
Q

mesial ridge longer than distal ridge of mand 1st pre molar(buccal view)

A

f

shorter

349
Q

mesial slope of mand 1st pre molar

A

has a concavity

350
Q

tf mand 1t pre molar has no developmental depressions or concavities

A

f

Distinct facial lobes and developmental depressions

351
Q

tf

CEJ is flat on mand 1st pre molar

A

F

CEJ slightly convex toward apex but less than anterior teeth

352
Q

tf lingual cusps are huge on mand 1st pre molar

A

f they are small and permit occlusal surface to be visible

353
Q

mesialdistally ligual surface narrower than buccal

A

mandibular 1st pre molar

354
Q

tf

only 1 surface visible on lingual aspect of mand 1st premolar

A

F multiple surfaces

355
Q

ridges visible on lingual aspect of mand 1st pre molar

A

buccle triangular rdge and transverse ridge

356
Q

tf only distal marginal ridge visible from lingual aspct of mand 1st pre molar

A

f

distal and mesial

357
Q

mand 1st premolar

Lingual height of contour almost —— on the crown

A

Lingual height of contour almost centered on the crown

358
Q

unique to mandib 1st pre molar

A

Prominent mesiolingual developmental groove

359
Q

mesial aspect of mand 1st pre molar

Crown inclines—– over the root

A

Crown inclines lingually over the root

360
Q

tf short lingual cusp tipps the Occlusal plane is “tipped” lingually in mand 1st pre molat

A

T

361
Q

tf

mesial marginal ridge of mand 1st pre molar

is perpendicular to long axis of tooth

A

f

mesial marginal ridge is the only marginal ridge of all posterior teeth not perpendicular to long axis of tooth

362
Q

centered over root vs centered over lingual border of tooth of mand 1st pre molar

A

buccal cusp vs. lingual cusp

363
Q

which developmental groove is visible from mesial aspect of mand 1st pre molar

A

ML developmental groove

364
Q

tf

transverse ridge presense will prevent central grove from being visible of mand 1st pre molar

A

T

365
Q

sloped mesial marginal ridge of mand 1st pre molar allows for

A

More of the occlusal surface visible

366
Q

distal aspect of mand 1st pre molar

A

Wider buccolingually than mesial surface

367
Q

tf on distal aspect of mand 1st pre molar

Distal marginal ridge perpendicular to the long axis

A

t

368
Q

tf on mand 1st pre molar

mesial marginal ridge more occlusally positioned than

distal marginal ridge

A

f

Distal marginal ridge perpendicular to the long axis (and more occlusally positioned than mesial marginal ridge)

369
Q

mesial aspect of mand 1st premolar

A

more occlusal surface visible than distal aspect

370
Q

less curved CEJ

A

distal over mesial of mand 1st pre molar

371
Q

in line with buccal cusp and apex

A

contact area of mandib 1st pre molar

372
Q

mand 1st pre molar distal aspect

A

Contact area slightly broader than the mesial

373
Q

Diamond shaped outline form

A

occlusal aspect of mand 1st pre molar

374
Q

Prominent buccal ridge but uniformly convex buccal outline with much of the buccal surface visible

A

occlusal of mand 1st pre molar

375
Q

distal outline more rounded and convex

A

than mesial outline of mand 1st premolar

376
Q

convex with indentation

A

Mesial outline of mand 1st pre molar

377
Q

indentation of mand 1st pre molar

A

where ML groove is located;

378
Q

Prominent line angles but rounded

A

occlusal of mand 1st pre molar

379
Q

small lingual cusp

A

mand 1st pre molar

380
Q

central grove of mand 1st pre molar

A

often not distinct

381
Q

transverse ridge of

A

occlusal of mand 1st pre molar

382
Q

tf only mesial fossa of mand 1st pre molar visible

A

f

mesial and distal fossa

383
Q

which marginal ridge is shorter on mand 1st pre molar

mesial or distal

A

mesial

384
Q

both converge to lingual)

A

mesial and distal marginal ridge of mand 1st pre molar

385
Q

ML groove visible

A

occlusal aspect of mand 1st pre molar

386
Q

mand 1st pre molar; Occlusal surface (table) occupies most of the—- half of the tooth

A

Occlusal surface (table) occupies most of the lingual half of the tooth

387
Q

Mesial contact, facial cusp tip, and distal contact of mand 1st pre molar

A

fall on straight line which is centered on the crown faciolingually

388
Q

root of mand 1st pre molar

A

Wider buccolingually than mesiodistally

389
Q

tf mand 1st pre molar is ovoid

(cross section)

A

t

390
Q

Single root of mand 1s pre molar tapering to —- —- and

A

Single root tapering to sharp apex and pulp canal

391
Q

mand 1st pre molar

A

Wider buccolingually than mesiodistally

392
Q

sloped occlusal surface

A

mand 1st pre molar

393
Q

mand 1st pre molar

A

can have two roots (one buccal and one lingual)

but usually only one root canal

394
Q

ML developmetnal depression

A

visible on Mand 1st pre molar

395
Q

larger and similar to canine

A

mand P2

396
Q

tf mand P2 is bell shape

A

F

broader

397
Q

shorter, less pointed and form obtuse angle

A

buccal cusp of mand P2

398
Q

tf mesial cusp is longer than distal cusp in mand P2

A

f

shorter

399
Q

tf mand P1(mesial and distal cusp slope) is more inclined than mand P2

A

t

400
Q

occlusocervically mesial crown of Mand P2 is

A

longer than distal crown(mand P2)

401
Q

shorter buccal cusp of mand P2

A

cause M&D contacts appear to be higher

402
Q

smooth with indistinct conveixities or concavities

A

Mand P2 facial surface

403
Q

conical with flattened facial surface

A

Mand P2 root (buccal)

404
Q

blunt apex

A

root of Mand P2

405
Q

Mand P2

A

CEJ straighter than teeth anterior to it

406
Q

tf mand P2 is

Wider mesiodistally but

shorter occlusogingivally

than MandP1

A

F

wider and longer

407
Q

Mesial and distal crown outlines convex

A

mand P2

408
Q

tf mand P2 has no concavities on mesial and distal crown outline

A

T

409
Q

2 typs of cusps of mand P2

A

bucal

ML

DL

410
Q

Lingual cusp or cusps shorter

A

than buccal cusps of Mand P2

411
Q

tf occlusal surface more visible in mand P2 than mand P1

A

F

Occlusal surface less visible than in P1

412
Q

ML cusp is larger than DL cusp

A

in y type mand P2

413
Q

smooth and convex

A

root of mand P2

414
Q

tf root of Mand P2 tapers to the lingual more than P1

A

F

tapers to the lingual less than P1

415
Q

mesial aspect of mand P2

A

Crown and root wider buccolingually than madn P1

416
Q

which buccal cusp is shorter

mand P1 or mand P2

A

Mand P2

417
Q

B cusp tip slightly buccal to center of root

A

mand P2

418
Q

higher lingual cusp occlusally

mand P2 or Mand P1

A

mand p2

419
Q

Mesial (and distal) marginal ridges—– to long axis of tooth of mand P2

A

Mesial (and distal) marginal ridges perpendicular to long axis of tooth of mand P2

420
Q

tf mand P2 has ML developmental groove

A

F

lacks

421
Q

CEJ less curved

Mand P1 or Mand P2

A

Mand P2

422
Q

root apex blunted

mand P1

or mand P2

A

mand P2

423
Q

TF on mand P2 DL cusps are visible on mesial aspect

A

F

not visible on mesial aspect

424
Q

Mand P2 lacks

A

transverse ridge; defined central groove

on mesial aspect

425
Q
A
426
Q

tf oclusal table of mand P2 is more perpnedicular to long axis than mand P1

A

T

427
Q

mand P2

—- crown outline with a —— tilt

A

mand P2

Rhomboidal crown outline with a lingual tilt

428
Q

tf on distal aspect of mand P2

Contact area larger and wider buccolingually than mesial aspect

A

T

429
Q

distal aspect of mand P2

all cusp visible

A

Y-type P2

430
Q

DL cusp smaller than ML cusp

A

in Y-type P2

(distal aspect)

431
Q

distal aspect mand P2

largest cusp

A

buccal cusp

432
Q

prominent triangular ridge

A

on buccal cusp of mand P2(distal view)

433
Q

perpendicular to long axis

A

Distal marginal ridge of mand P2

434
Q

mand P2 distal view

A

CEJ flattened and similar to what is seen on molars

435
Q

square outline form

A

occlusal of mand P2(y type)

436
Q

parralel to each other

A

mesial and distal aspects of mand P2(occlusaL)

437
Q

Less prominent buccal ridge with less distinct developmental depressions

A

occlusal of mand P2

438
Q

what is major grovve pattern of mand P2(occlusal)

A

Y

439
Q

order the follwoing cusp in terms of size on mand P2

DL cusp

ML cusp

B cusp

A

B cusp > ML cusp > DL cusp

440
Q

lingual grove separates

A

2 lingual cusps of mand P2(occlusal)

441
Q

tf lingual groove of mand P2 is mesial to center

A

F

distal to center

442
Q

name type of pits of mand P2

A

Mesial and distal triangular fossae with pits

and central pits

443
Q

• More rounded outline form than Y-type

A

H and U type Mand P2

444
Q

tf

“H” and “U” types ; mesial and distal profiles are parallel to each other

A

f

Mesial and distal profiles not as parallel

445
Q

converge toward lingual

A

Mesial and distal profiles of H and U types

446
Q

No lingual groove or central pit

A

H and U type Mand P2

447
Q

tf

in mand P2 h and u types

Buccal cusp smaller than lingual cusp

A

F

Buccal cusp larger than lingual cusp

448
Q

root of Mand P2

A

Single root with one pulp canal

449
Q

tf mand P2 root Slightly wider buccolingually and longer than P1

A

T

450
Q

root apex of mand P2

A

blunted

451
Q

root apex of mand P2

A

incline distally

452
Q

Rarely bifurcated of trifurcated root

A

mand P2 roots

453
Q

round to ovoid cross section

A

mand P2 cross section

454
Q

slightly flattened buccal surface

A

mand P2(cross section)

455
Q

cross section of mand P2

A

Slight taper to the lingual

456
Q

Single root canal usually

A

mand p2

457
Q

Largest crown in mouth

A

Maxillary First Molar

458
Q

anchor tooth of maxillary dentition

A

Maxillary First Molar

459
Q

Maxillary First Molar

A

presents basic pattern for permanent maxillary molars

460
Q

type 5 and 6 vertucci

A
461
Q

vertucci 7 and 8

A
462
Q

(59.87%) were Vertucci type 4

A

max 1st molar

463
Q

—– have some of the highest failure rates in endodontic treatment due to the presence of a second canal in the mesiobuccal root that the clinician fails to detect, debride and obturate.

A

maxillary molars have some of the highest failure rates in endodontic treatment due to the presence of a second canal in the mesiobuccal root that the clinician fails to detect, debride and obturate.

464
Q

Carabelli Cusp usually absent

A

in Max second molar

465
Q

max second molar –> different from 1st molar

A

size is smaller with the three roots closer together

466
Q

Trapezoidal crown outline form

A

Maxillary First Molar(buccal)

467
Q

Crown slightly shorter occlusocervically than teeth anterior to it

A

max 1st molar

(buccal)

468
Q

tf

Maxillary First Molar have Two buccal cusps separated by buccal groove

A

t

469
Q

buccal groove of max 1st molar

A

extends halfway up the buccal side

470
Q

deepest part of depression on buccal surface of

Maxillary First Molar

A

ocasonal pit

471
Q

which cusp is larger on buccal side of Maxillary First Molar

MB or DB

A

MB cusp

472
Q

sharper and longer cusp on buccal side of

Maxillary First Molar

MB or DB

A

DB

473
Q

MB cusp slopes more or less inclined than DB

(Buccal (Facial) Aspect: of max 1st molar)

A

less

forms an obtuse angle

474
Q

forms 90 degrees

A

DB cusps on max 1st pre molar

475
Q

Facial (buccal) cervical ridge

A

passes mesiodistally across cervical third of crown

(buccal aspect of max 1st molar)

476
Q

is convex and flatter

mesial vs distal profile of max 1st molar

A

mesial profile of max 1st molar

477
Q

Distal crown profile convex with concavity in cervical third continuing on root

A

max 1st molar

478
Q

tf Buccal CEJ of max 1st molar

more convex than teeth anterior to it

A

f

Buccal CEJ much flatter than teeth anterior to it

479
Q

CEJ of Maxillary First Molar

A

may dip toward area of buccal furcation

480
Q

Root trunk in occlusal third of root (approx. 4mm)

A

max 1st molar

481
Q

Maxillary First Molar(buccal view)

—- roots visible from common root trunk;

A

Maxillary First Molar

482
Q

tf on max 1st molar

root system wider mesiodistally than Crown

A

Crown wider mesiodistally than root system

483
Q

Facial developmental groove and furcation in line

A

max 1st molar

484
Q

Maxillary First Molar

MB and DB roots may have —– inclination

A

MB and DB roots may have distal inclination

485
Q

MB and DB roots

A

converge at apical third

486
Q

—– root seen between two buccal roots of max 1st molar

A

lingual (palatal)

487
Q

MB root inclination

A

max 1st molar

90 degree

488
Q

DB root inclinations

A

obtuse

in max 1st molar

489
Q

tf

MB and DB roots of max 1st molar are wider mesiodistally than buccolingually

A

f

MB and DB roots are wider buccolingually than mesiodistally;

490
Q

tf

L(P) root of max 1st molar wider mesiodistally than buccolingually

A

t

491
Q

which direction does crown diverge on lingual surface of

max 1st molar

A

to lingual

492
Q

tf in lingual surface which cusp is the largest

A

ML of max 1st molar

493
Q

extends 3/5 of entire width mesiodistally)

A

ML cusp of max first molar

494
Q

Cusp of Carabelli (fifth cusp) arises from the —— surface of the ML cusp on max 1st molar

A

Cusp of Carabelli (fifth cusp) arises from the lingual surface of the ML cusp

495
Q

small and rounded

A

DL cusp of max 1st molar

496
Q

distolingual groove of max 1st molar

A

separate Two lingual cusps

497
Q

terminate in a lingual pit in the central portion of the lingual surface in max 1st molar

A

distolingual groove

498
Q

Lingual CEJ of max 1st molar

A

straight to slightly convex

499
Q

lingual root is broader mesiodistally than buccolingually

A

max 1st molar

500
Q

Dominant (largest) lingual root has shallow depression along cervical 2/3 of root and across CEJ

A

max 1st molar

501
Q

tf from lingual view of max 1st molar

mesial outline of MB and DB root seen

A

f

Entire mesial outline of MB root seen but only partial view of DB root

502
Q

mesial aspect of max 1st molar;

—– —— ridge connects MB and ML cusps;

A

Mesial marginal ridge connects MB and ML cusps;

503
Q

max 1st molar

A

Crown has trapezoidal outline form

from mesial side

504
Q

Buccal profile of max 1st molar may appear slightly —–

in middle third (occlusal to cervical ridge)

A

Buccal profile may appear slightly concave in middle third (occlusal to cervical ridge)

505
Q

Lingual profile uniformly convex with maximum convexity in middle third from mesial view

A

max 1st molar

506
Q

max 1st molar mesial

A

CEJ shallow (minimum curvature) and irregularly curved toward the occlusal

507
Q

Root trunk of max 1st molar broad

A

faciolingually

508
Q

Faciolingual root spread is —- than faciolingual diameter of crown

max 1st molar mesial view

A

Faciolingual root spread is broader than faciolingual diameter of crown

509
Q

MB root broad —– and projects straight beyond crown surface slightly toward the —-

max 1st molar mesial

A

MB root broad buccolingually and projects straight beyond crown surface slightly toward the buccal

510
Q

tf on max 1st molar from mesial view

Developmental depression present across 1/3 of MB root

A

f

Developmental depression present across 2/3 of MB root

511
Q

longest and shaped like a banana

A

lingual root of max 1st molar

512
Q

lingual root of max 1st molar

A

first extends lingually beyond crown outline,

then curves in toward the buccal

513
Q

which furcation is visible of max 1st molar

A

ML furcation

514
Q

max 1st molar mesial view

— cusp more centered over root trunk than – cusp

A

ML cusp more centered over root trunk than MF cusp

515
Q

Crown is wider and taller on the mesial from mesial view

A

max 1st molar

516
Q

tf from mesial view of max 1st molar only 2 cusps are visible

A

F

  1. MB (MF) cusp 2. ML cusp 3. Fifth (Carabelli) cusp
517
Q

mesial view of max 1st molar

roots present

A
  1. Lingual (Palatal) root 2. 2. MB (MF) root
518
Q

tf Distal marginal ridge longer than mesial marginal ridge buccolingually

max 1st molar

A

Distal marginal ridge shorter than mesial marginal ridge buccolingually

519
Q

tf more occlusal surface visible from distal view than mesial view of max 1sst molar

A

T

520
Q

max 1st molar

A

Buccal surface more visible due to rhomboidal crown form (and D taper)

521
Q

Proximal contact near crown center

A

distal aspect of max 1st molar

522
Q

which cusp is center more over root of max 1st molar

DL or DF

A

• DL cusp more centered over the root than DF cusp

523
Q

tf DB root of max 1st molar is smaller than MB root

A

t

524
Q

total number of roots visible from distal side of max 1st molar

A

3

525
Q

DL furcation visible -mm from CEJ

max 1st molar

A

DL furcation visible 5mm from CEJ

526
Q

Distinct – concavity in cervical third of crown and root of max 1st molar

A

Distinct DF concavity in cervical third of crown and root

527
Q

occlusal of max 1st molar

A

Rhomboid outline form;

528
Q

line angle acute of max 1st molar

A

MB and DL

529
Q

line nagle obtuse of max 1st molar

(occlusal view)

A

ML and DB line angles

530
Q

Wider buccolingually than mesiodistally

A

max 1st molar

occlusal

531
Q

which side is wider buccolingually

mesia or distal half of max 1st molar

A

(mesial half of tooth wider buccolingually than distal half

532
Q

on max 1st molar

which is wider buccolingually and more prominent

Mesial marginal ridge or distal marginal ridge ?

A

• Mesial marginal ridge wider than distal marginal ridge buccolingually and more prominent

533
Q

oblique ridge of max 1st molar

A

at same level occlusocervically as MMR & DMR)

534
Q

smallest cusp of max 1st molar and not part of occlusal surface

A

Carabelli

535
Q

arrange the following of max 1st molar

ML DL DB MB Carabelli

A

ML>MB>DL>DB>Carabelli

536
Q

more centered on tooth than any other cusp

and has two triangular ridges

of max 1st molar

A

ML cusp

537
Q

talon of max 1st molr

A

DL cusp

538
Q

Trigon of max 1st molar

A

MB ML DB cusp

539
Q

Primary cusp triangle centered over root trunk

A

max 1st molar

540
Q

Oblique ridge (type of transverse ridge) of max 1st molar

A

extends from ML cusp to DB cusp

541
Q

lingual aspect of max 1st molar

grooves

A
  1. Lingual developmental groove
  2. Developmental groove of the fifth cusp
542
Q
  1. Central developmental groove
  2. Facial (buccal) developmental groove
  3. Transverse groove of the oblique ridge
  4. Distal oblique developmental groove
A

max 1st molar

543
Q

how many total fossa are on occlusal of max 1st molar

A

4

544
Q

(central and distal

A

major 2 fossa of max 1st molar

545
Q

mesial triangular fossa and distal triangular fossa

A

2 minor fossa of max 1st molar

546
Q

root of max 1st molar

A

Root trunk trifurcated forming 3 root branches: 2 buccal and 1 lingual

547
Q

largest and longest root of max 1st molar

A

lingual root

548
Q

inclines lingually;

A

lingual root of max 1st molar

549
Q

wider mesiodistally than buccolingually

A

lingual root of max 1st molar

550
Q

shallow depression on lingual surface of root

A

of max 1st molar

551
Q

cervical 2/3

A

max 1st molar lingual root

552
Q

wider buccolingually than mesiodistally

A

MB root of max 1st molar

553
Q

second largest and longest root of maxillary 1st molar

A

MB root

554
Q

two pulp canals: one buccal, one lingual

A

max 1st molar

555
Q

smallest and shortest

A

DB root of max 1st molar

556
Q

slightly wider buccolingually than mesiodistally;

A

max 1st molar ; DB root

557
Q

inclines distally and buccally

A

max 1st molar ; DB root

558
Q

cervical cross section max 1st molar

A

Wider faciolingually than mesiodistally

and has buccal and lingual depressions

559
Q

tf max 2nd molar is smaller and has three roots closer together than max 1st molar

A

T

560
Q

Carabelli Cusp usually absent

A

max 2nd molar

561
Q

max M2 buccal view

A

Crown shorter and narrower mesiodistally than M1

562
Q

tf max M2 only has 1 buccal cusp visible from the buccal aspect

A

F

Two buccal cusps visible (MB & DB)

563
Q

wich cusp of max M2 is sharper and more prominent than Max M1

A

MB cusp

564
Q

tf max M2 has a Facial cervical ridge more pronounced than M1

A

Facial cervical ridge less pronounced than M1

565
Q

tf all Three roots visible of Max M2 from buccal side

A

T

566
Q

three roots of max 2nd molar

A

MB, L, DB

567
Q

max 2nd molar (mesial view)

A

MB root curves distally with apex over furcation area

568
Q

max M2 buccal

A

Buccal furcation slightly distal to the facial developmental groove

569
Q

M2 vs M1 root

A

Roots shorter, closer to each other, and inclined more distally than M1

570
Q

tf all the roots of max M2 are parrallel to each other

A

t

571
Q

from lingual aspect of max M2

A

all rooots and cusps visible

572
Q

DL groove of Max M2

A

terminates at a point further distal and occlusal than Max M1

(ends more midlingually)

573
Q

the cusps of Max M2

A

DL ML

MB DB

574
Q

which cusp is smaller on the max M2

DL or ML

A

DL

575
Q

tf max M2 has o fifth (Carabelli) cusp

A

F

No fifth (Carabelli) cusp usually

576
Q

Palatal (lingual) root of Max M2(lingual aspect)

A

root smoothly convex

577
Q

Apex of palatal root

Max M2(lingual)

A

over DL cusp

578
Q

mesial aspect of max M2

A

Two cusps and two roots visible

579
Q

L (P) root and MB root

A

max M2 mesial

580
Q

cusps visible from mesial side of Max M2

A

ML cusp , MB cusp

581
Q

Facial cervical ridge of Max M2 (mesial view)

A

less prominent than M1

582
Q

missing and not as pronounced

A

Cervical concavity or flattening on mesial aspect of max M2

583
Q

centered mesial contact

A

max 2nd molar(mesial aspect)

584
Q

tf Max M2 has a convex CEJ

A

F

flat

585
Q

Less pronounced mesial marginal ridge

that is perpendicular to marginal ridge

A

max 2nd molar

586
Q

MB and L roots of max M2

A

less divergent

587
Q

MB and L roots of max M2

A

located well within the crown outline

588
Q

tf from distal aspect of Max M2

all the cusps and roots are visible

A

T

589
Q

tf Faciolingual root dimension of max M2 smaller than M1

A

T

590
Q

which cusps of max M2 are shorter

A

DB and DL

591
Q

tf from distal view of max M2 there is no occlusal surfce visible

A

F

more of occlusal surface is visible because of

Smaller DB and DL cusps

592
Q

distal contact of max M2

A

is more centered

593
Q

Crown of max M2 tapers toward distal

A

thus more B and L surface visible

594
Q

Lingual cusps of max M2 (distal view) over

A

lingual root

595
Q

tf max m2 (distal view ) have a longer root trunk

A

F

shorter

596
Q

tf M1 and M2 maxilary both have db concavity

A

F

max M2 has no Db concavity

597
Q

tf

MB and DL line angles of Max M2 are less acute than in

Max M1

A

F

more acute

598
Q

rhomboid

A

outine form of max M2

599
Q

tapers toward lingual and more constricted

Max M1 or Max M2

A

Max M2 (occlusaL)

600
Q

largest cusp of MaxM2

A

ML cusp

601
Q

DL cusp

A

small in Max M2

602
Q

tf Max M1 and M2

have same groove pattern and fossa configuration

A

T

603
Q

tf Max M1 and M2 have different ridge configuration

A

F they are the same

604
Q

max 2nd molar

A

Buccal roots inclined distally and closer together

605
Q

tf buccal roots of Max M2 are shaped like pliers

A

F

more parralel to each other

606
Q

which has smaller lingual root

Max M1 or M2

A

Max M2

607
Q

lingual root incline distally

A

MaxM2

608
Q

tf max m2 have multiple pulp canal per root

A

F

1;1

609
Q

One pulp —– per cusp in max m2

A

One pulp horn per cusp

610
Q

facial aspex of Max M3

A

very variable

611
Q

tf max M3 is large than M2 and smaller thanM1

A

F

smaller than both

612
Q

More rounded crown form

A

Maxillary Third Molar

613
Q

—— area of Max M3 more narrow

A

Cervical area more narrow

614
Q

Roots of Max M3

A

fused and more curved toward distal

615
Q

Max M3

A

one large lingual cusp

(can have DL cusp but mostly absent)

616
Q

tf in Max M3 only Crown converge dramatically toward lingual

A

f

Crown and root system converge dramatically toward lingua

617
Q

Root system of Max M3 compact and curves toward —-

A

Root system compact and curves toward distal

(lingual view)

618
Q

mesial outline of max m3

A

resembles general outline of maxillary molars

619
Q

from mesial view of max M3 which cusp are visible

A

MB and L cusps

620
Q

Max M3 mesial view ;

CEJ —– in form

A

CEJ irregular in form

621
Q

max thrid molar (mesial view)

A

Fused root system with furcation in apical third of root

622
Q

which view of Max M3 are more anatomic features visible

A

Distal

623
Q

tf on max M3 Crown height shorter on distal view

A

T

624
Q

More occlusal surface visible

A

from distal view of Max M3

625
Q

variable

A

occlusal aspect of max M3

626
Q

tf occlusal view of Max M3 is trapezoid shape

A

F

heart shape

627
Q

longest cusp of max M3

A

lingual cusp

628
Q

tf on occlusal view of Max M3

crown tapers only to distal view

A

F

Crown tapers dramatically toward distal and lingual

629
Q

tf occlusal groove pattern of Max M3 has secondary groove pattern

A

T

630
Q

Primary triangle

A

occlusal view of Max M3

631
Q

irregular outline form and multiple depressions

A

cervical cross sectional of Max M3

632
Q

tf we have larger jaws than ancestors

and we have plety of room to house 32 teeth

A

F

ur wisdom teeth often become impacted, or blocked from erupting.’

633
Q

Has the greatest mesiodistal dimension of any tooth in the mouth

A

mandib 1st molar

634
Q

number of cusps for

mand 1st molar

A

5

635
Q

Mand 1st molar

A

Anchor tooth of Mandibular arch

636
Q

3 buccla and 2 lingual cusps

A

mand 1st molar

637
Q

4 cusps

A

mand M2

638
Q

tf Mand M2 is smaller than mand M1

A

T

639
Q

C-shaped canal is a special feature of some

A

lower second molars.

640
Q

Some or all of the canal orifices are joined in the form of a groove or isthmus with a shape of the letter C.

A

mand M2

641
Q

The continuous C-shaped canal

A

Type I C shaped canal

642
Q

type 2 c shaped canal

A

The semicolon shaped canal

643
Q

Two discrete and separate canals.

A

Type III : c shaped canal

644
Q

the shape is an uninterrupted ‘C’ with no separation or division.

A

c1 melton

645
Q

the canal shape resembles a semicolon resulting from a discontinuation of the ‘C’ outline.

A

Category C2: Melton

646
Q

two separated canals.

A

Category C3a:

647
Q

three separated canals. C

A

Category C3b: Melton

648
Q

Category C4:

A

only one round or oval canal.

649
Q

PERICORONITIS (Acute or Chronic)

A

Inflammation of the soft tissues surrounding the crown of a partially erupted tooth

Mand M3

650
Q

tf Third Molars Have a High Incidence of Pathology

A

F

Not more than 12% of impacted teeth have associated pathology

651
Q

tf Early Removal of Third Molars Is Less Traumatic

A

F

Early removal of third molars is actually more traumatic and painful than leaving asymptomatic, nonpathologic teeth in situ

652
Q

tf Third molars do not possess sufficient force to move other teeth or cause crowding, overlapping

A

T

653
Q

tf There is no evidence of a significant increase in third-molar pathology with age

A

T

654
Q

tf There is Little Risk of Harm in the Removal of Third Molars

A

F

Days of “standard discomfort or disability”—pain, swelling, bruising, and malaise result postoperatively, and more than 11,000 people suffer permanent paresthesia

655
Q

mand 1st molar

has — buccal cusp separateed by — grooves

A

3;2

656
Q

names of grooves that separate the 3 buccal cusps of mand

1st molar

A

mesiobuccal developmental groove and distobuccal developmental groove

657
Q

order of size of 3 buccal cusps of mand M1

MB

D

DB

A

MB>DB>D

658
Q

tf from buccal aspect of mand M1

lingual cusp is shorter than buccal cusp

A

F

is longer

659
Q

which are more blunt on mand M1

buccal or lingual cusp

A

buccal cusp

660
Q

most blunt buccal cusp of mand M1

MB

DB

D

A

MB

661
Q

tf 4 cusps are visible from buccal side of mand M1

A

F

all 5 cusp visible

662
Q

Mesiobuccal groove slightly —– to crown center mesiodistally of Mand M1 buccally

A

mesial

663
Q

Mesiobuccal groove of Mand M1

A

extends halfway down the buccal surface terminating with pit

664
Q

mesial to root bifurcation

A

MB groove

665
Q

Distobuccal groove near DB line angle runs —–

to distal root

Mand M1

A

Distobuccal groove near DB line angle runs parallel to distal root

MAnd M1

666
Q

sl. longer than MB groove

(mand M1 buccal view)

A

DB groove

667
Q

tf from buccal view of Mand M1

all of Mesial profile convex

A

F

cervical 1/3 which appears somewhat concave

668
Q

tf distal profile (buccal view of Mand M1)

straight al the way through

A

F

Distal profile straight until convex at D contact area

669
Q

Buccal cervical ridge runs —— in cervical third of crown.

(buccal view of Mand M1)

A

Buccal cervical ridge runs mesiodistally in cervical third of crown

670
Q

Slight depressed area just occlusal to CEJ of Mand M1

A

Slight —– area just occlusal to CEJ(buccal view)

671
Q

Buccal CEJ slightly —— apically

(mand M1 buccal view)

A

Buccal CEJ slightly curved apically

(mand M1 buccal view)

672
Q

Buccal CEJ of Mand M1

A

may dip toward bifurcation midbuccally

673
Q

tf from buccal view of Mand M!

3 roots are visible

A

F

2 roots visible

674
Q

mesial root curves —– half way down;

Mand M1

A

mesial root curves distally half way down;

675
Q

mesial root of Mand M1

has

A

Often deep developmental depressions on both M&D aspects (buccal view)

676
Q

distal root of MAnd M1 projects distally

(Mand M1)

A

and can turn mesially, distally, or not at all

677
Q

root trunk

A

3mm wide

(vertically)

678
Q

lingual aspect of Mand M1

tf MAnd m1 appears taller from lingual

A

T

679
Q

Lingual aspect of Mand M1

A

taller root trunk

680
Q

4mm

A

root trunk of MAnd M1 lingual

681
Q

tf

Crown surface of Mand M1 longer mesiodistally than buccal aspect

A

f

Crown surface smaller mesiodistally than buccal aspect

682
Q

lingual groove of Mand M!

A

separates Two cusps of approximately equal size

683
Q

tf lingual groove of Mand M1 is shorter than buccal groove

and has no lingual pit

A

T

684
Q

bifurcatin of Mand M1 in line with

A

lingual groove

685
Q

taller and sharper

buccal or lingual cusp of Mand M1

A

lingual cusp

686
Q

ML

A

tallest cusp of lingual cusp s of Mand M1

687
Q

tf mesial and distal profiles of Mand M1 are convex throughout entire lingual aspect

A

T

688
Q

flat CEJ of Mand M1

A

in lingual view

689
Q

tf from lingual aspect of Mand M1 no buccal cusp is visible

A

F

part of buccal cusp is visible

690
Q

on Mand M1

from which side are roots narrower

lingual or buccal

A

lingual

691
Q

crown of Mand M1 from mesial

A

rhomboid

692
Q

mesial aspect of Mand M1

A

crown tilts to lingual in relation to long axis

693
Q

which cusp taller from mesial view of Mand M!

ML or MB

A

ML

694
Q

ML and MB cusps

A

well within borders of mesial root

of Mand M1(mesial)

695
Q

mesial marginal ridge has

A

mesial marginal groove

on Mand M1 (mesial view)

696
Q

distance of mesial marginal ridge of mand M1 in comparison to height of cusps(mesial view)

A

1 mm

697
Q

mand M!

Mesial root very broad —– with shallow—— or —-

A

Mesial root very broad buccolingually with shallow concavity or depression

698
Q

Buccal profile of Mand M1

A

convex

699
Q

Lingual profile of Mand M1

A

convex

700
Q

CEJ of Mand m1 ——- or slightly —— toward occlusal

A

CEJ straight or slightly curved toward occlusal

701
Q

Usually —– or slightly —— area of mand M1 in cervical third of crown

A

Usually flattened or slightly concave area in cervical third of crown

702
Q

mesial aspect of Mand M1

A

Contact area centered

703
Q

contact area of Mand M1

A

slightly buccal and occlusal to midpoint of crown

704
Q

distal aspect of Mand M1

A

Smaller buccolingually than mesial surface

705
Q

mand m1

A

tapers dramatically towards distal

(distal view)

706
Q

tf mesial and distal view of Mand M!

A

Buccal and lingual profiles are similar

707
Q

distal view of Mand M!

A

Portions of all five cusps visible

708
Q

from distal view of mand m1

which cusp is most lingually positioned

D

DB

DL

A

D cusp

709
Q

DB line angle of mand M1

A

DB groove visible near

710
Q

total surfaces vissible from distal view of mand m1

A

4

facial , distal , occlusal ,distal surface of mesial root

711
Q

tf mand m1 distal view; distal marginal ridge is centered

A

F

712
Q

tf

mand m1 distal view

Distal marginal ridge much longer than mesial marginal ridge

A

F

Distal marginal ridge much shorter than mesial marginal ridge

713
Q

midpoint of Mand M1(distal view)

A

distal marginal groove

714
Q

distal contact of Mand M1

A

facial to center

715
Q

Mand M1 distal view

A

Distal root narrower buccolingually with shallow distal depression

716
Q

Distal root of mand m1 has continuous —- with sharper —- than mesial root

A

Distal root has continuous taper with sharper apex than mesial root

717
Q

from occlusal view of mand M1

A

pentagon outline shape

718
Q

tf mand m1

Wider mesiodistally than buccolingually

A

T

719
Q

which side of Mand M1 is wider mesiodistally

A

buccal

720
Q

which side of Mand M1 is widest buccolingually

A

mesial

721
Q

cusp slopes and 2 marginal ridges of mand M1

A

border Occlusal table

722
Q

which side of Mand M1 is more visible from occlusal

buccal or lingual

A

buccal

723
Q

arrange the following cusps in terms of size of Mand M1 from occlusal

MB

DL

DB

D

ML

A

MB>ML>DL>DB>D)

724
Q

Inner —– ridges of cusps shown from occlusal of Mand M1

A

Inner triangular ridges of cusps shown from occlusal of Mand M1

725
Q

name the three fosa visible from occlusal of MAnd M1

A

centrall

distal

mesial

726
Q

which fossa of mand M1 contain central pit

A

central fossa

727
Q

shallow pits of mand m1 onf occlusal view

A

mesial and distal triangular fossae

728
Q

from occlusal view of Mand M1 name the types of grooves

A

MB DB

central

lingual

729
Q

tf Occlusal view; mesial marginal grove wider than distal marginal groove of mand M1

A

t

730
Q

from the occlusal view of mand M1 which side does the crown converge

A

lingually

731
Q

from occlusal view of mand m1

which side of mand m1 shows straighter outline with little

taper; mesial or distal

A

mesial

732
Q

T

cervical cross section of mand m1

Wider mesiodistally than buccolingually

A

T

733
Q

cross section of mand M1

root trunk

A

contain facial and lingual depressions

734
Q

roots of mand m1

mesial

A

has two pulp canals (B and L)

735
Q

D root of mand m1

A

one pulp canal but often two (B and L)

736
Q

tf only mesial root of mand m1

wider buccolingually than mesiodistally

A

F

both mesial and distal

737
Q

longitudinal grooves

A

developmental depression of mand m1 on mesial and distal surface of mesial and distal roots

738
Q

tf

Mand M1 Mesial root broader and slightly longer than distal root

A

t

739
Q

mesial root of mand m1

A

projects mesially from CEJ to middle third of root,

then curves slightly to the distal;

740
Q

mand m1 distal root

A

distal root smaller; projects distally

741
Q

mand m2 buccal aspct

A

Smaller than M1, larger than M3

742
Q

tf from buccal aspect of mand m2 crown and is shorter than m1

A

T

743
Q

buccla grove of mand m2 (buccal aspect0

A

separates MB and DB cusps

744
Q

tf MB cusp > DB cusp of mand m2

A

T

745
Q

tf buccal aspect of mand m2 has a buccal pit

A

F

nill

746
Q

tf from buccal view of mand m2

all 3 cusp visible

A

F

all 4

747
Q

buccal view of mand m2

—– groove and —- in line with each other

A

Buccal groove and bifurcation in line with each other

748
Q

tf huge curvature in mand m2 CEJ from buccal view

A

F

no curvature , straight

749
Q

from buccal view of mand m2

which side is roudned

mesial or distal

A

distal

750
Q

which contact of mand m2 (buccal veiw)

closer to junction of middle and occlusal thirds

mesial or distal

A

Mesial contact closer to junction of middle and occlusal thirds

751
Q

tf

mand m2 Roots closer together and show greater distal inclination

A

T

752
Q

which root is longer from buccal view of mand M2

mesial or distal view

A

mesial root

753
Q

lingual aspect of mand m2

A

Crown shorter than M1 and narrower mesiodistally

754
Q

equal in length mesiodistally (mand m2)

A

Lingual width mesiodistally almost equal to buccal width

755
Q

taper to lingual

A

lingual aspect of mand m2

756
Q

name the 2 prominent cusp visible of mand m2 from lingual aspect

A

ML and DL

757
Q

tf from lingual aspect of mand m2

DL cusp > ML cusp

A

F

ML>DL

758
Q

tf lingual cusp of mand m2 are sharper than buccal cusp

A

T

759
Q

Lingual —– groove in line with —–

of mand m2(lingual view)

A

Lingual developmental groove in line with bifurcation

of mand m2(lingual view)

760
Q

tf root trunk is longer on buccal aspect than lingual aspect of mand m2

A

F

lingual aspect

761
Q

mesial aspect of mand m2

A

Crown outline similar to M1 (rhomboidal or parallelogram

762
Q

tf mand m2 has narrower occlusal table than m1 (mesial veiw)

A

T

763
Q

short and shallow

A

mesial marginal ridge of mand m2

(mesial veiw)

764
Q

mand m2

ML cusp—- than MB cusp

A

mand m2

ML cusp taller than MB cusp

765
Q

from mesial view

which cusp more centered over root

MB or Ml cusp

A

MB cusp

766
Q

Buccal cervical ridge of mand m2 —- pronounced than M1

A

Buccal cervical ridge of mand m2 less pronounced than M1

767
Q

Mesial contact of mand m2 closer to —- of middle and occlusal thirds(mesial view)

A

Mesial contact of mand m2 closer to junction of middle and occlusal thirds

768
Q

which height of contour of MAnd M2 is more occlusally positioned

lingual or buccal ?

A

Lingual height of contour more occlusally positioned

769
Q

mesial view of mand M2

A

Root narrower than M1 with sharper apex

770
Q

distal view of mand m2

A

Distal marginal ridge more gingivally positioned than mesial

771
Q

tf from distal view less occlusal table is visible than mesial view

A

F

more is visible

772
Q

tf only 2 cusps of mand m2 are visible from distal view of mand m2

A

F

all 4

773
Q

from distal view of mand m2

A

no distal cusp or DB groove

774
Q

tf distal and mesial surface of mand m2 are same size

A

F

Distal surface is almost as large as mesial (but not quite)

775
Q

distal contact area of mand m2

A

more centered

776
Q

narrower and poiitned tip

A

mand m2 (distal view)

777
Q

root mand m2 (distal view)

A

uniformly convex

778
Q

tf occusal view of mand m2 has a hexgonal shape

A

F

rectangular

779
Q

from occlusal view of mand m2 which side is more rounded

distal or mesial

A

distal

780
Q

arrange the cusps of mand m2 from large to small

MB

DB

DL

ML

A

MB>ML>DB>DL

781
Q

which cusps of mand m2 are closer together

distal or mesial

(occlusal view)

A

mesial cusp

782
Q

number of grooves of mand m2 and type

A

3

central

buccal

lingual

783
Q

types of fossa of mand m2

A

Central fossa, mesial and distal triangular fossae

784
Q

which fossa of mand m2 has deepest pits

Central fossa, mesial or distal triangular fossa

A

central

785
Q

occlusal view of mand m2

A

Proximal contacts in middle 1/3

786
Q

Mesial third of crown slightly —- buccolingually than distal third

of mand m2 occlusal

A

Mesial third of crown slightly wider buccolingually than distal third

787
Q

occlusal of mand m2

buccal third —– mesiodistally than lingual third

A

buccal third wider mesiodistally than lingual third

788
Q

roots of mand m2

A

Similar to M1 but usually shorter and closer together

789
Q

tf roots of mand m2

are only separate

A

f

Occasionally may be partially or totally fused (with C-shaped canal) or further apart like M1

790
Q

Wider mesiodistally than buccolingually

A

cevical cross section of mand m2

791
Q

which side of mand m2 is wider buccolingually

mesial and distal

A

(mesial half wider buccolingually

792
Q

2;1

A

canals in mesia vs distal root of mand m2

793
Q

bifurcation of mand m2

A

has Facial and lingual depressions ass. with it

794
Q

c shaped canal of mand m2

A

The name comes from the appearance of the pulp chamber floor when viewed from above.

795
Q

tf Mandibular Third Molar variable only in size

A

F in size and shape

796
Q

congenitally missing

A

mand molar 3

797
Q

can resemble m1 or m2

A

mand m3

798
Q

tf crown and root of mand m3 is larger than m1 and m2

A

F

smaller

799
Q

occlusal of mand m3 tapering occurs

A

to distal

800
Q

MAnd m3 ;

Occlusal groove pattern variable with more ——

grooves

A

Occlusal groove pattern variable with more supplementary grooves

801
Q

tf mand m3 is square shape

A

f

round shape

802
Q

occlusal of mand m3

A

has 4 cusps

803
Q

mand m3 ; which half is wider buccolingually

mesial or distal?

A

mesial half wider buccolingually

804
Q

tf mand m3

crown; root= 1;1.5

A

t

1;1

805
Q

Bulbous outline from proximal, with small occlusal table

A

mand m3

806
Q

mand m3

cusp tips may be —– together than M1 and M2

A

mand m3

cusp tips may be closer together than M1 and M2

807
Q

tf mand m3

Roots taper dramatically toward apex

A

T

808
Q

short, fused, or compressed

A

roots of mand m3

809
Q

distal inclination

A

mand m3 roots

810
Q

smallest and shortest of all mandibular molar roots

A

distal root of mand molar 3

811
Q

cervical cross section of mand m3

A

2 canals in mesial root

1 canal in distal root

812
Q

Root outline tapered toward the distal

A

mand m3 cervical cross section

813
Q
A
814
Q

order the eruption sequence of primary dentition

lateral incisors

central incisor

Second molars

canines

primary molars

A

Central incisors 

Lateral incisors 

First molars (“One year molars”) 

Canines 

Second molars (“Two year molars”)

815
Q

very similar in form to permanent counterparts, but smaller and less pronounced morphologic features

A

incisor

816
Q

tf incisors primary teeth have no mammelons

A

T

817
Q

crown of incisors (primary)

A

appear squatted

818
Q

tf primary incisors onlhave buccal cervical ridges

A

F

buccal and cervical ridges

819
Q

incisor primary teeth

A

mesial CEJ more incisally positioned than distal

820
Q

roots of incisor(primary teeth)

A

narrow and pointed

821
Q

—- angle of lower lateral incisor (primary) quite rounded

A

DI angle of lower lateral incisor (primary) quite rounded

822
Q

diamond shaped crown4

A

– maxillary canine primary teeth

823
Q

diff between maxillary canine and permanent max canine

A

max canine

has longer mesial cusp ridge (slope) than distal slope

824
Q

maxillary canine (primary) has marked —- and —- cervical bulges

A

maxillary canine has marked facial and lingual cervical bulges

825
Q

arrow-shaped crown

A

primary mandibular canine

826
Q

mandib canine(primary tooth)

A

mandibular canine has shorter mesial slope than distal slope

827
Q

more slender with less prominent marginal ridges on lingual aspect

A

primary mandib canine

828
Q

basically resembles maxillary premolar

A

max 1st molar

829
Q

major cusps of max 1st molar

A

MB and Ml

830
Q

DB and DL cusps

A

insig in size of max first molar

831
Q

largest cusp of max 1st molar

A

MB

832
Q

tf max 1st molar crown is more wide occlusocervically than mesiodistally

A

F

crown wider mesiodistally than occlusocervically

833
Q

primary max 1st molar

prominent —– and —– cervical heights of contour (bulges)

A

 prominent B & L cervical heights of contour (bulges)

834
Q

slender and flared

A

roots of max 1st molar

835
Q

how many roots are on primary 1st molar

A

3

836
Q

tf primary 1st molar has a huge root trunk

A

F

small root trunk

837
Q

morphologically identical to permanent maxillary 1st molar including cusp of Carabelli;

A

primary max 2nd molar

838
Q

smaller and squatter than permanent maxillary 1st molar

A

primary maxillary 2nd molar

839
Q

roots of primary max 2nd molar

A

more flared and slender

840
Q

small rot trunk

A

prrimary max 2nd molar

841
Q

primary max 2nd molar

A

greatest faciolingual diameter of all primary teeth

842
Q

tf primary max 2nd molar is smaller than primary 1st molar

A

f

larger than primary 1st molar

843
Q

primary mandib 2nd molar

A

identical to permanent mandibular 1st molar

844
Q

primary mandib 2nd molar

A

smaller and squatter than permanent mandibular 1st molar

845
Q

cervical bulges and constriction

A

primary mand 2nd molar

846
Q

more flared and slender than permanent 1st molar

A

roots of primary mandib 2nd molar

847
Q

how many roots for primary mandib 2nd molars

A

2

M and D

848
Q

small root trunk

A

primary mandib 2nd molar

849
Q

tf primary teeth are darker than perament teeth

A

F

lighter

850
Q

have more pronounced cervical ridges (

primary teeth or permanent

A

primary teeth

851
Q

more constricted at the cervix (neck)

primary or permanent

A

primary teeth

852
Q

tf crown roots are long and narrow in relation to crown width and length

A

T

853
Q

most unique primary tooth morphologically

A

primary mandibular first molar

854
Q

Primary teeth are smaller in overall dimensions

A

to permanent teeth

855
Q

large pulps with long pulp horns

A

primary teeth

856
Q

more flared and slender roots which extend beyond the crown outlines, thus allowing space for the growth and development of the succeeding permanent teeth

A

primary molar

857
Q

primary molars

A

short root trunks

and furcation areas approaching the CEJ

858
Q

tf Primary pre-molars have buccal and lingual surfaces that are more convergent occlusally, result in narrow occlusal table

A

f

Primary molars have buccal and lingual surfaces that are more convergent occlusally

859
Q

correct the statement

primary teeth; thin enamel with dispersed thickness

A

primary teeth; thin enamel with consistent thickness

860
Q

difference between primary molar and permanent molars

A

enamel rods of primary molars at the CEJ point occlusally rather than gingivally as with permanent molars

861
Q

tf

Primary teeth have lot of dentin between pulp and dentino-enamel junction (DEJ)

A

F

Primary teeth have little dentin between pulp and dentino-enamel junction (DEJ)

862
Q

comparatively longer and narrower roots with respect to their crowns

A

primary ant teeth

863
Q

primary ant teeth vs permanent ant teeth

A

primary ant teeth

appear wider mesiodistally and shorter occlusocervically

864
Q

lack mammelons on incisal ridge

A

primary ant teeth

865
Q

tf The teeth of children and young people are more sensitive than the teeth of older people to thermal change and dental operative procedures

A

t

866
Q

leeway space

A

Primary molars are wider mesiodistally than the premolars that replace them

867
Q

leeway space

A

allows space for some mesial movement of the permanent first molars as the premolars erupt

868
Q

As jaws grow, spacing between —- ——occurs thus providing room for the larger permanent successors to erupt

A

As jaws grow, spacing between primary anteriors occurs thus providing room for the larger permanent successors to erupt

869
Q

erupt at age 7-8

A

lower lat inc

upper central inc

870
Q

upper m1 and lower canine

A

erupt at age 9-10

871
Q

erupt at age 6-7

A

lower m1 and Central incisor

872
Q

erupt at age 10-12

A

lower p1

upper P2

873
Q

erupt at 17-21

A

m3 up and down

874
Q

erupt at age 11-12

A

upper canine

and lower P2

875
Q

erupt at age 11-13

A

lower M2

876
Q

erupt at age 12-13

A

upper M2

877
Q

erupt at age 10-11

A

upper P1

878
Q

lat inc of upp

A

erupt at 8-9

879
Q

primary teeth

A

Guide the permanent teeth to erupt at the correct position in the dental arch since the permanent teeth grow under the primary teeth

880
Q

The current U.S. population with access to fluoridated water is approximately — percent.

A

The current U.S. population with access to fluoridated water is approximately 74 percent.

881
Q

—- of all dental fluorosis was the very mild to mild form of dental fluorosis

A

94%

882
Q

1986

A

dental fluorosis was present in 22.3% of the children examined

883
Q

tf primary molar have Thicker dentin in central fossa than

permanent molar

A

T

884
Q

thinner enamel

primary or permanent molar

A

primary molar

885
Q

Higher pulp horns and larger pulp chamber

primary or permanent molar

A

primary molar

886
Q

tf permanent molar have

More pronounced cervical ridges than primary molar

A

F

primary>permanent

887
Q

tf in prmary molar . Enamel rods near CEJ slope gingivally

A

F

. Enamel rods near CEJ slope occlusally

888
Q

. More constricted cervix

primary molar or permanent molar

A

primary molar

889
Q

slender and longer , flared root

A

primary molar

890
Q
A
891
Q

0 6 y.o.

A

primary teeth

892
Q

12 y.o.+

A

permanent teeth

893
Q

6-12 y.o.

A

mixed dentition

894
Q

A-J

A

R-L(upper teeth)

primary teeth

895
Q

K-T

A

L-R(lower teeth)

primary teeth

896
Q

FDI

A

permanent

897
Q

FDI

primary teeth

A
898
Q

8 in each quadrant

A

permanent dentition

FDI

899
Q

5 in each quadrant

A

FDI

primary dentition

900
Q

palmer

A

1–>8

permanent notation

with symbol of direction

901
Q

a-e

A

palmer notation primary teeth

902
Q

primary dentition

A

2 incisor 1 canine

2 molars

903
Q
A
904
Q
A
905
Q
A
906
Q
A
907
Q
A
908
Q
A
909
Q
A
910
Q
A
911
Q
A
912
Q
A
913
Q
A
914
Q
A
915
Q
A
916
Q
A
917
Q
A
918
Q

1, Inferior alveolar artery; 2, dental arteriole; 3, pulpal branches;

A
919
Q

4, periodontal ligament arteriole; 5 and 6, interalveolar arterioles.

A
920
Q

hard and soft palate

A
921
Q

The anteroposterior curved line that connects the cusp tips of the posterior teeth

A

curve of spee

922
Q

The mediolateral curved line that connects the buccal and lingual cusp tips on each side of the arch (frontal view

A

curve of wilson

923
Q

crest or ridge that extends from the apex of a cusp of a premolar or molar tooth toward the central part of the occlusal surface

A

triangular ridge

924
Q

cingulum

A

a U- or W-shaped ridge at the base of the lingual surface of the crown of the upper incisors and cuspidteeth,

925
Q

a pointed end where two curves meet, in particular.

A

cusp

926
Q

tubercle

A

. A small elevation of variable size on the crown of a tooth representing a thickened area of enamel or an accessory cusp.

927
Q

ridge of teeth

A

any linear elevation on the surface of a tooth and is named according to its location

928
Q

marginal ridge

A
929
Q

transverse ridge

A
930
Q

 triangular ridge

A
931
Q

oblique ridge

A
932
Q

fossa

A

A rounded or angular depression in the occlusal surface of a posterior tooth bordered by the cusp ridges and the occlusal table.

933
Q

sulcus tooth

A

The gingival sulcus is an area of potential space between a tooth and the surrounding gingival tissue and is lined by sulcular epithelium.

934
Q

he slight depression dividing the lobes on an anterior tooth, and running parallel with the long axis.

A

developmental grove

935
Q

supplemental groove

A

minor, auxiliary groove that branches off from a much more prominent developmental groove.

936
Q

post teeth line angle

A

occlusolingual line angle

937
Q

mesial buccal and distal buccal line angle

A

post teeth

938
Q

incisocervicl dimension

A
939
Q

mesiodistal and buccal lingual line angle

A

post teeth

940
Q

4 types of occlusal line angle on post teeth

A
941
Q

labioincisal line angle on

A

ant teeth

942
Q

mesio occlucal and lingual occlusal line angle

A

post teeth

943
Q

point angle on post teeth

A

mesiolingual occlusal

distal lingual occlusal3

944
Q

post teeth

mesialbuccal occlusal point angle

distal buccal occlusal point angle

A
945
Q

ant teeth

mesiolingual incisal and distal lingual incisal point angle

A
946
Q

mesial lingual incisal point angle

and\distal lingual incisal point angle of ant teeth

A
947
Q

perikymata (Greek plural of perikyma)

A

are the pits around the long prisms of tooth enamel. They indicate the places where enamel-producing cells used to make contact with neighboring cells and are the result of normal enamel apposition.

948
Q

incisal occlusal embrasure

A
949
Q

buccal embrasure

A
950
Q

lingual embrasure

A
951
Q

ging or cervical embrasure embrasure

A
952
Q
A
953
Q
A
954
Q

never flat

Allows maximum use of occlusal contacts

A

occlusal plane

955
Q

divisions of tooth come together to form tooth

A

lobe

956
Q

mesial, buccal (labial on canine), distal, and

cusp ridges

A

triangular cusp (post teeth)

lingual ridge(canine)

all form gothic pyramid

957
Q

interdental pappilla

A

An extension of the gingiva that normally fills the triangular space (i.e. gingival embrasure) between two adjacent teeth in contact just below (cervical to) the proximal contact area

958
Q

diastema

A

A space between two adjacent teeth (not contacting) in the same dental arch

959
Q

Subgingival restorative dental margins can cause periodontal inflammation and bone loss if placed too far —-.

A

Subgingival restorative dental margins can cause periodontal inflammation and bone loss if placed too far apically.

960
Q

Violations of biologic width

A

when margins are placed closer than 2 mm to the alveolar bone crest. (

961
Q

order the following top to bottom

ging sulcus

CT attachment

junc ep.

A

ging sulcus

junc ep.

CT attachment

962
Q

both 1mm

A

junc ep and CT attachment

963
Q

.7 mm

A

ging sulcus

964
Q

Infringement on the Biologic Width by cutting tooth structure

A

gingival inflammation -

periodontal pocket formation -

alveolar bone loss

965
Q
A
966
Q

Consequently, it is recommended that there be at least —mm between the gingival margin and bone crest to avoid infringement on the Biologic Width

A

Consequently, it is recommended that there be at least 3.0 mm between the gingival margin and bone crest to avoid infringement on the Biologic Width

967
Q
  • subgingival caries or fracture
  • inadequate clinical crown length for retention
  • unequal or unaesthetic gingival heights
A

patient will need surgical intervention

968
Q

—- —– on sound tooth structure and retention form, any surgery should provide at least – mm from the apical extent of the caries or fracture to the bone crest

A

margin placement on sound tooth structure and retention form, any surgery should provide at least 4 mm from the apical extent of the caries or fracture to the bone crest

969
Q

Placement of the restorative margin —– mm into the sulcus allows for the maintenance of the biologic width.

A

Placement of the restorative margin 0.5 mm into the sulcus allows for the maintenance of the biologic width.

970
Q
A
971
Q

used for cutting

A

incisors

972
Q

incisors

flat with —— biting edge

A

incisors

flat with horizontal biting edge

973
Q

tf incisors are single rooted

A

T

974
Q

tf incisors are only teeth with mamelons

A

T

975
Q

incisors

A

cut food and ant. guidance

976
Q

help to support the lip and maintain an esthetic appearance

A

incisors

977
Q

articulate speech

A

incisors

978
Q

incisors

The roots frequently incline or curve —-

A

The roots frequently incline or curve distally

979
Q

tf

The distal crown contours of incisor are usually more rounded than the mesial

A

T

980
Q

tf

The mesial contact areas of incisors appear more gingivally positioned

A

F

The distal contact areas appear more gingivally positioned

981
Q
A
982
Q

used for piercing and tearing

A

canines

983
Q

canine

A

longest teeth in mouth

984
Q

eminent facially (esthetic support)

A

canines

985
Q

cornestones of mouth

A

canine

986
Q

tf canines have 2-3 roots

A

F single rooted

987
Q

the only teeth to possess single conical cusp

A

canines

988
Q

canine eminence

A

the positions and forms of canines and their anchorage in the bone, along with the bone ridge over the labial portions of the roots

989
Q

canine eminence

A

significant estetic and cosmetic value

990
Q

canine

A

help form a foundation that ensures normal facial expression at the “corners” of the mouth

991
Q

The distal crown contours of canines

A

are usually more rounded than the mesial

992
Q

The distal contact areas of canines

A

appear more gingivally positioned

993
Q

the roots of canine

A

frequently incline or curve distally

994
Q

All teeth have facial height of contour in

A

cervical third of crown

995
Q

All upper posterior teeth have

A

lingual height of contour in middle 1/3 of crown

996
Q

All lower posterior teeth have lingual height of contour

A

more occlusally positioned than upper (middle 1/3 or junction of middle and occlusal 1/3)

997
Q

All upper posterior teeth have —- —– lingual surface and a relatively—— buccal surface

A

All upper posterior teeth have 2 planar lingual surface and a relatively straight buccal surface

998
Q

All lower posterior teeth have —– —– buccal surface and a relatively —– lingual surface

A

All lower posterior teeth have 2 planar buccal surface and a relatively straight lingual surface

999
Q

All proximal heights of contour —- with proximal contact areas

A

All proximal heights of contour coincide with proximal contact areas

1000
Q

Proximal contact areas of all ——- teeth generally are —— and —– to the midpoint of the crown

A

Proximal contact areas of all posterior teeth generally are buccal and occlusal to the midpoint of the crown

1001
Q

Premolars replace (succeed)

A

primary molars

1002
Q

Mandibular teeth erupt before

A

maxillary counterparts

1003
Q

All anterior teeth and premolars are formed by

A

4 developmental lobes, 3 facial and 1 lingual

1004
Q

Exception

Y-type mandibular 2nd premolar which has

A

5 lobes (3 facial and 2 lingual)

1005
Q

All maxillary premolars have two cusps

A

of approximately equal size.

1006
Q

tf

All mandibular premolars have two cusps of approximately equal size.

A

F

The mandibular premolars may have more than two cusps (i.e. Y-type P2) and the lingual cusps are less prominent.

1007
Q

mandibular premolars incline significantly towards the

A

lingual

1008
Q

Maxillary premolars are wider

A

buccolingually than mesiodistally

1009
Q

The mandibular premolars have approximately equal

A

buccolingual and mesiodistal dimensions

1010
Q

first premolar is usually larger than the second

A

max premolars

1011
Q

second premolar is usually larger than the first

A

mandibular premolar

1012
Q

maxillary first premolar is the only premolar that normally has —- root branches

A

maxillary first premolar is the only premolar that normally has two root branches

1013
Q

(All premolars “succeed” (erupt in the positions of) the

A

primary molars

1014
Q

hexagon shape

A

max P1

1015
Q

oval;diamond

A

maxP2;Mand P1

1016
Q

square

A

Mand P2

1017
Q

3 to 5 cusps

A

permanent molars

1018
Q

tf largest occlusal surfaces of any teeth is of pre molars

A

F

molars

1019
Q

2;3 roots

A

low molar; upper molars

1020
Q

1 lobe/ cusp

A

all molars

1021
Q

used for grinding

A

molars

1022
Q

pulp horn;lobe; cusp

A

1;1;1;

molars

1023
Q

all molars

A

one lobe per cusp

1024
Q

considered cornerstones to development of occlusion

A

all molars

1025
Q

Permanent molars erupt

A

distal to primary dentition

1026
Q

upper post teet; lower post teeth

A

2 planar lingual surface and a relatively straight buccal surface; 2 planar buccal surface and a relatively straight lingual surface

1027
Q

molar

A

All proximal heights of contour coincide with proximal contact areas

1028
Q

Proximal contact areas of all posterior teeth generally are

—— and —— to the midpoint of the crown

A

Proximal contact areas of all posterior teeth generally are buccal and occlusal to the midpoint of the crown

1029
Q

wider buccolingually than mesiodistally

A

Maxillary molars

1030
Q

wider mesiodistally than buccolingually

A

Mandibular molars

1031
Q

are the most variable teeth morphologically

A

Upper and lower 3rd molars

1032
Q

are second most variable teeth morphologically

A

maxillary lateral incisors

1033
Q

Permanent mandibular first molars begin calcification

A

(formation) at birth

1034
Q

which one erupts first

mandibular or maxillary counterpart

A

Mandibular teeth erupt before maxillary counterpart

1035
Q

largest teeth in the maxillary arch

A

max molars

1036
Q

Shorter occlusogingivally

ant tooth or max molars

A

permanent max molars

1037
Q

max molars

largest; small

A

1st; 2nd molar

1038
Q

Crowns of max molars are wider —- than —-

A

Crowns are wider buccolingually than mesiodistally

1039
Q

Three roots normally

A

permananent max molar

2 buccal 1 lingual

1040
Q

Oblique ridge and distolingual groove

A

max molars

1041
Q

rhomboid outline

A

max molars

(M# heart)

1042
Q

first max molars have

A

fifth cusp (Carabelli) and is smallest of cusps

1043
Q

arrange the cusps of max molar based on size

ML

DB

MB

DL

A

(ML>MB>DB>DL)

1044
Q

erupts at age 18

A

max third molar

1045
Q

sometimes congenitally missing

A

max 3rd molar

1046
Q

Most variable tooth morphologically in the maxillary arch

A

max 3rd molar

1047
Q

tf

max M3 is larger in all dimensions than M2

A

Smaller in all dimensions than M2

1048
Q

short roots

A

Max M3

1049
Q

roots pronounced and distal inclination

A

max m3

1050
Q

irregular profile from the mesial and distal aspect

A

crown of M3

1051
Q

Oblique ridge of Max M3

A

barely visible

1052
Q

Common occlusal outline form is heart shaped due to very small or totally absent DL cusp

A

Max M3

1053
Q

max m3

A

Pit and groove pattern more variable

1054
Q

Crowns appear rectangular from the occlusal aspect

A

mand molar

1055
Q

mand m1

A

crown is pentagonal

1056
Q

mand molars Much larger than premolars except

A

occlusogingivally where they are slightly shorter

1057
Q

arrange the mand molar in terms of size

M1

m2

M3

A

M1>M2>M3

1058
Q

mand molar

A

Crowns are wider mesiodistally than buccolingually

1059
Q

Always two lingual cusps of approximately the same size

A

mand molar

1060
Q

Like their maxillary counterparts, no primary predecessors

A

mand molar

1061
Q

proximal aspect of mand molar

A

crowns appear rhomboidal and are inclined toward the lingual

1062
Q

M and D roots

A

mand molars

1063
Q

no primary predecessors

A

mand molars

1064
Q

No —— in the primary dentition

A

No premolars in the primary dentition

1065
Q

All primary teeth begin calcification process

A

4-5 months in utero

1066
Q

All primary teeth emerge (erupt) by

A

age 2-3 years (2.5 years average)

1067
Q

Roots of primary teeth complete formation approximately

A

1-2 years after eruption

1068
Q

roots are about —- formed at eruption

A

half

1069
Q

Roots begin to resorb approximately—- years before —-

A

Roots begin to resorb approximately 2-3 years before exfoliation

1070
Q

Primary dentition exists until beginning of —– dentition with the emergence (eruption) of the permanent first molars at age —–

A

Primary dentition exists until beginning of mixed dentition with the emergence (eruption) of the permanent first molars at age six

1071
Q

permanent 1st molars

A

erupt distal to the primary second molars

1072
Q

permanent molars

A

have no primary predecessors

1073
Q

Erupts at approximately age seven

A

Maxillary Central Incisor

1074
Q

erupts at age 8

A

max lat incisors

1075
Q

Mandibular Central Incisor

A

Erupts between age 6-7

1076
Q

Erupts at age 7-8

A

Mandibular Lateral Incisor

1077
Q

age 10

A

max second pre molars

1078
Q

Maxillary First Premolar erupt

A

age 9

1079
Q

max canine; mand canine

A

11-12;9-10

1080
Q

erupt at age 9

A

mandib 1st pre-molar

1081
Q

mandib 2nd pre-molar

A

erupt at age 10

1082
Q

erupt at age 6

A

Maxillary First Molar

1083
Q

erupt age 12

A

max second molar

1084
Q

max 3rd molar

A

(Erupts at age 18+)

1085
Q

Erupts at age 12

A

mand M2

1086
Q

erupt at age 6

A

Mandibular First Molar

1087
Q
A
1088
Q

4 lobes 1 cusp 1 root 1 root canal

A

Max central incisor

lateral incisor

canine

1089
Q

tf max P1 have 1 cusp 1 root 1 root canal

A

F

have 2 of each

1090
Q

tf max and mandible

central incisor lat incisor and canine P1 have 5 lobes

A

F

all have 4 lobes

1091
Q

tf all teeth have facial cervical HOC at Cervical 1/3

A

T

1092
Q

nill distal contact

A

M3( max and mindible)

1093
Q

only teeth to have incisal 1/3 distal contact

(others are middle 1/3)

(maxilla central incisor is at junction)

A

Mandible central incisor

Lateral incisor

1094
Q

distal contact at junction

A

maxilla central incisor

1095
Q

middle 1/3 mesial contact

A

maxilla, mandible

P1

P2

M1 M2M3

1096
Q

max and mandible central incisor

incisal 1/3 contact

A

mesial contact

1097
Q

diff between mesial contact of maxilla , mandible

lat incisor and canine

A

maxilla

junction

mandible

middle 1/3

1098
Q

1 or 2 roots canals on mandible

A

lat incisor

1099
Q

1 or 2 roots on mandible

A

canine

1100
Q

2 cusps on mandible

A

P1

1101
Q

4 lobes on mandible

A

Central incisor

lat incisor

canine

P1

M2

1102
Q

4 or 5 cusps on maxila

A

M1

1103
Q

4:3 cusp on maxilla

A

M2;M3

1104
Q

3 roots on maxilla

A

M1-M3

1105
Q

3 or 4 root canals on maxila

A

M1 or M2

1106
Q

tf M3 of maxilla has 2 cusps roots root canals

A

F

alll 3

1107
Q

tf P2 and M2 have 4 lobes on maxilla

A

T

1108
Q

tooth on maxilla with 5 lobes

A

M1

1109
Q

4 or 5 lobes

A

M3 on maxilla

1110
Q

lobes; cusps; roots on maxilla

4;2;1;

vs 4;4;3

A

P2 vs. M2

1111
Q

tooth on maxilla with 4 or 5 cusps

A

M1

1112
Q

3 or 4 root canals on maxilla

A

M1 or M2

1113
Q

4 or 5 lobes on maxilla

A

M3

1114
Q

cervical 1/3 lingual hoc on mandible

A

central inc, lat inc, canine

1115
Q

tf all teeth on mandible have middle 1/3 distal contact

A

F

central and lat incisor dont

1116
Q

only teeth on mandible that don;t have middle 1/3 mesial contact, but have incisal 1/3

A

central incisor

lat incisor

canine

1117
Q

cervical 1/3 lingual hoc

A

central incisor, lat incisor, canine

on mandible

1118
Q

tf most of teeth on mandible have middle 1/3 lingual hoc

A

T

except incisors and canine

1119
Q

only teeth of mandible to have 5 lobes

A

P1 , P2

1120
Q

tf M3 of mandible can have only 4 lobes

A

F

4 or 5

1121
Q

4 or 5 lobes, cusps

A

M3 of mandible

1122
Q

4 lobes and 2 cusps on mandible

A

P1

1123
Q

lobes; cusps. roots on mandible

5;5;2

A

M1

1124
Q

3 or 4 root canals on mandible

A

M1, M2

1125
Q

4;4;2 on mandible

(lobes, cusps, roots)

A

M2

1126
Q

3 or 4 root canals on mandible

A

M1,M2

1127
Q

tf M3 of mandible can have 1 root canal

A

F

2 to 4

1128
Q

3 or 4 root canals on mandible

A

M1,M2

1129
Q

2;1;1

cusps;roots; root canal

of mandible

A

P1 on mandible

1130
Q

1 or 2 roots on mandible

A

canine

1131
Q

5;5;2

lobe; cusps;roots of mandible

A

M1

1132
Q

4;4;2

root, crown, lobe

of mandible

A

M2

1133
Q

3 or 4 root canals on mandible

A

M1 M2

1134
Q

2;1;1

cusp; roots; root canal

on mandible

A

P1

1135
Q

2 or 3 cusps on mandible

A

P2

1136
Q

1 or 2 roots on mandible

A

canine

1137
Q

2 roots on mandible

A

M1

M2

M3

1138
Q

5 lobes and cusps vs

4 lobes and cusps

on mandible

A

M1 vs. M2

1139
Q

3 or 4 root canals on mandible

A

M1 and M2

1140
Q
A
1141
Q

mandibular incisors

A

are like moving blades against the stationary maxillary incisors

1142
Q

golden proportion

A

x

.62x

.62*.62xoAccessory Canals