THE COMPENDIUM part 1 (dental anatomy) Flashcards Preview

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Flashcards in THE COMPENDIUM part 1 (dental anatomy) Deck (69)
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1
Q

What are the contact areas for the Maxillary Anterior Teeth?

A

IJ JM JM

2
Q

What are the contact areas for the Mandibular Anterior Teeth?

A

II II IM

3
Q

Posterior Contacts: Generally are placed in the ______ 1/3 of the crown. What is our area of exception?

A

MIDDLE… except the MESIAL contacts of all molars, they are at the JUNCTION of the occ and middle 1/3

4
Q

Posterior Contacts: The MESIAL contact area is typically positioned more ________ than the distal. WHAT is our 1 exception (and where is it located)?

A

occlusally…Mandibular 1st PM (mesial is more cervical than distal)

5
Q

Posterior Contacts: What is the shape of the contact area?

A

ovoid

6
Q

Posterior contacts: FacioLingually- where are most contacts found? LETS NOT forget, the posterior teeth tend to have theirs slightly more to ward the _____.

A

middle 1/3….facial

7
Q

Heights of Contour: All teeth have FACIAL heights of contour at the ______ 1/3 of the crown….hmmm the mandibular molars are more like what?

A

cervical…junction of the cervical and middle 1/3’s

8
Q

What is another name for a facial height of contour?

A

a cervical ridge!

9
Q

Which teeth have their facial heights of contour most prominent? Which teeth are they least prominent?

A

Most-mandubular posteriors, least-mandibular anteriors

10
Q

What is another name for an anterior’s lingual height of contour? Where are they located?

A

a cervical ridge!..located in the cervical 1/3

11
Q

Posterior Lingual heights of contour are normally located in the ______ 1/3 of the crown. Except which tooth? Where’s to at?!

A

middle….mand 2nd PM (its occlusial 1/3)

12
Q

THE CEEEEEJJJJJ…The CEJ “dips” in what direction on the proximal surfaces of the teeth?

A

incisally/occlusally

13
Q

THE CEEEEEJJJJJ…Speaking of a dip of the CEJ, which “dips” incisally/occlusally MORE: anteriors or posteriors?

A

anteriors

14
Q

THE CEEEEEJJJJJ…“dips” more on the ______ proximal surface of the tooth than on the ______.

A

more dip on MESIAL than on distal

15
Q

THE CEEEEEJJJJJ…“dips” more on maxillary or mandibular teeth?

A

maxillary

16
Q

THE CEEEEEJJJJJ… the most ‘severe’ curvature is found on the ______ surface of the _________. The lease is found on the _______ surface of the __________.

A

mesial of maxillary central incisor….mandibular 3rd molar

17
Q

Embrasures! ______ embrasures are wider than _____ embrasures.

A

lingual wider than facial (generally teeth are wider facially than lingually)

18
Q

Embrasures! What are the 3 exemptions to our general ranking of embrasures?

A
  1. Maxillary 1st molar 2. the 3-cusp variety mand 2nd PM 3.THE DARK HORSE!-mandibular central incisors (same size)
19
Q

Embrasures! The incisal embrasure is LARGEST between the _______ and the _______.

A

maxillary lateral incisor and the canine

20
Q

Embrasures! the incisal embrasure is 2nd largest between the ________ and the ______.

A

mandibular lateral incisor and the canine

21
Q

Embrasures! the incisal embrasure is 3rd largest between ________ and _______.

A

maxillary central and lateral incisors

22
Q

Embrasures! the incisal embrasure is 4th largest between the ______ and _______.

A

maxillary central and central incisors

23
Q

Embrasures! the incisal embrasure is 5th largest between the _______ and _______.

A

mandibular central and lateral incisors

24
Q

Embrasures! the 6th largest (haha the smallest) incise embrasure is between the _______ and the ______.

A

mandibular central and central.

25
Q

Embrasures! What is the largest OVERALL occlusal embrasure??

A

maxillary canine and 1st PM

26
Q

Calcification and Eruption, my new wheelhouse dawg. primary teef show first evidence of calcification in utero during the ____ trimester (~____ weeks).

A

2nd trimester (14 wks)

27
Q

Calcification and Eruption, my new wheelhouse dawg. calcification of primary crowns complete by ______ (which teef??)

A

11 months (max 2nd molars)

28
Q

Calcification and Eruption, my new wheelhouse dawg. ________ teeth usually erupt before their ________ counterparts

A

man dies before maxies

29
Q

Calcification and Eruption, my new wheelhouse dawg. which primary teeth are first to erupt (when?)

A

mandibular centrals (8-10 monts)

30
Q

Calcification and Eruption, my new wheelhouse dawg. which primary teef are the last to erupt? when?

A

max 2nd molars..29 months

31
Q

Calcification and Eruption, my new wheelhouse dawg. all primary roots have completed formation by _______? Which teeth?

A

about 2.5 years…max canines

32
Q

Calcification and Eruption, my new wheelhouse dawg. Perm’s-What are the first to calcify? When?

A

1st molars, at BIRTH

33
Q

Calcification and Eruption, my new wheelhouse dawg. Perm’s-the mandibulars usually erupt before the maxillaries…whats the common exception?

A

the max 2nd PM usually erupts before the mand 1st PM

34
Q

Calcification and Eruption, my new wheelhouse dawg. Perm’s..which are the 1st to erupt? this starts the “_____” dentition phase…

A

1st molars.. “mixed” dentition

35
Q

Calcification and Eruption, my new wheelhouse dawg. Perm’s…what are the first SUCCEDANEOUS perms to erupt? when?

A

mand central incisors..6.5 years

36
Q

Calcification and Eruption, my new wheelhouse dawg. Perm’s-what are the LAST succedaneous teeth in the arch?

A

maxillary canines

37
Q

Calcification and Eruption, my new wheelhouse dawg. Perm’s-what are the last teeth to undergo calcification, crown completion, and to erupt?

A

3rd molars. Slam Dunk.

38
Q

From a facial or lingual view, ALL teeth have a _______ shape.

A

TRAPEZOIDAL (shorter parallel side = gingival/cervical)

39
Q

From a proximal view, the anterior teeth have a ______ shape.

A

TRIANGULAR (apex is incisal)

40
Q

From a proximal view, maxillary posterior teeth have a ______ shape.

A

TRAPEZOIDAL (shorter parallel side is occlusal)

41
Q

From a proximal view, the mandibular posterior teeth have a _______ shape.

A

RHOMBOIDAL

42
Q

Concerning the orientation of the Incisal edge of anterior teeth, Maxillary incisors are ______ relative to the long-axis bisector of the tooth.

A

centered

43
Q

Concerning the orientation of the Incisal edge of anterior teeth, maxillary canines- the cusp is centered over or slightly ______ to the long-axis bisector of the tooth.. ( it is NEVER ______)

A

facial…NEVER lingual (it needs to be facial to the mandibular canine!)

44
Q

Concerning the orientation of the Incisal edge of anterior teeth, A TYPICAL MISTAKE!- mandibular incisors- the edge is ______ to the long-axis bisector of the tooth.

A

lingual (needs to be lingual to the maxillary incisors!)

45
Q

Concerning the orientation of the Incisal edge of anterior teeth, A TYPICAL MISTAKE!-mandibular canines- the edge is ______ to the long-axis bisector of the tooth.

A

lingual (why do people miss that??)

46
Q

In teeth with one facial cusp, the mesial cusp ridge is slightly ______ than the distal cusp ridge. EXCEPT- which two teeth?

A

SHORTER! (kind of goes against convention)…1) Max 1st PM and 2)Primary Max Canine-remember!?)

47
Q

Crowns of teeth when measured occlusalcervically tend to get _______ from canine to 3rd molar.

A

shorter

48
Q

Developmental lobes-ALL teeth develop from ____ lobes. (of coarse there are exceptions-different flash cards)

A

4

49
Q

Developmental lobes- what are the 3 exceptions to the 4 lobe theory? how many lobes DO they develop from?

A
  1. perm max 1st molar 2. perm mand 1st molar 3. 3-cusp mand 2nd PM (all develop from 5 lobes)
50
Q

GENERALLY- the ______ portion of a tooth is better developed and measures more occlusalcervically as well as cervicoapically than the _____ portion.

A

mesial…distal

51
Q

When comparing like classifications of teeth (i.e. molars or premolars) the more posterior the tooth, there is the more _______ anatomy or “_______” anatomy.

A

supplemental/”tertiary”

52
Q

WHICH cusp on molars with be the LARGEST?

A

the MESIAL working cusp (max-ML, Mand-MF)

53
Q

LETS GET ENDO’D. -slam dunk- the roots of all teeth are inclined in what direction?

A

distally

54
Q

LETS GET ENDO’D. if a single root has two CANALS, one will be ______ and one will be ______.

A

facial & lingual

55
Q

LETS GET ENDO’D. Teeth erupt with as many pulp horns as _____ and the chamber follows the overall outline of the crown, where will its widest portion be?

A

cusps!! the widest portion of the chamber will be in the widest portion of the crown

56
Q

LETS GET ENDO’D. WHAT ARE THE 4 SINGLE MOLAR ROOTS with MORE THAN ONE CANAL?

A
  1. Maxillary 1st molar (MF root) 2.Mand 1st molar (M root) 3.Mand 2nd molar (M root) 4. distal root of the mand 1st (31%) and mand 2nd (14%)
57
Q

LETS GET ENDO’D. what is the MOST likely single rooted anterior to have more than one canal? what anatomical feature causes this?

A

mandibular CANINE..M and D root depressions

58
Q

LETS GET ENDO’D. what is the anterior tooth MOST likely to have two roots?

A

mandibular canine

59
Q

LETS GET ENDO’D. What is the 2nd MOST likely anterior tooth to have 2 canals?

A

mand lateral incisor

60
Q

LETS GET ENDO’D. What is the 3rd/LEAST likely anterior tooth to have 2 canals? What anatomical feature might make this happen?

A

mand central incisor, M and D root depressions

61
Q

LETS GET ENDO’D. Which group of teeth DO NOT have multiple canals?

A

maxillary anterior teeth

62
Q

LETS GET ENDO’D. max PM’s- the Max 1st PM has ____ canals and ____ roots.

A

2 canals (always) and 2 roots (usually)

63
Q

LETS GET ENDO’D. the max 2nd PM has VARIANT pulp morphology. it can have ___ canals and occasionally ___ roots.

A

2 and 2

64
Q

LETS GET ENDO’D. what is the PM MOST likely to have 1 root and 1 canal?

A

the mandibular 2nd PM

65
Q

LETS GET ENDO’D. what is the only tooth with a pulp wider M/D than F/L?

A

maxillary central incisor

66
Q

LETS GET ENDO’D. the maxillary central and lateral incisors have a ______ shaped pulp chamber when looking incisally at a cross section.

A

triangular

67
Q

UniQUe Morphology-Max central incisor- the ____ to _____ crown dimension is the GREATEST of any anterior tooth.

A

mesial to distal

68
Q

UniQUe Morphology-Max central incisor- the M curvature of the _______ toward the incisal is the GREATEST of any tooth.

A

cervical line/CEJ

69
Q

UniQUe Morphology-Max central incisor- the incisal edge is ______ faciolingually.

A

CENTERED