Things that owned me on the DRILL-part 2 Flashcards Preview

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Flashcards in Things that owned me on the DRILL-part 2 Deck (50)
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1
Q

________ ligaments attach the articular disc to the condyle.

A

Collateral Ligaments

2
Q

At the level of the condyle, the mandibular movement exhibited on a horizontal tracing that is exhibited as a long, gently sloping arc emanating from centric relation is called the?

A

Progressive sideshift

3
Q

What two muscles position the condyles in the most SUPERIOR/ANTERIOR position?

A

Masseter and Medial Pterygoid

4
Q

What muscle attaches the base of the tongue to the hyoid bone?

A

Geniohyoid muscle

5
Q

T/F: The outer oblique portion of the temporomandibular ligament limits normal rotational opening movement of the mandible.

A

True!

6
Q

T/F: The inner horizontal portion of the temporomandibular ligament limits posterior movement of the condyle and articular disc.

A

True!

7
Q

Where does the tip of the perm mand canine pass thru in lateral excursion?

A

passes mesial to the tip of the Max Canine

8
Q

Which root surface of the perm max 1st molar have depressions?

A

lingual (answer choice) (and distal (not DF))

9
Q

Which perm incisor has marked curvature of the roots in the apical 1/3?

A

max lateral incisor

10
Q

T/F: Ideal primary occlusion at age 3: The maxillary second molar occludes with the remainder of the mandibular second molar, with the distal surface of the maxillary molar projecting slightly over the distal end of the mandibular second molar

A

True

11
Q

T/F: Ideal primary occlusion at age 3: The maxillary central incisor occludes with the mandibular central incisor and the mesial third of the mandibular lateral incisor

A

True

12
Q

T/F: Ideal primary occlusion at age 3: The maxillary lateral incisor occludes with the mesial two-thirds of the mandibular lateral incisor and the mesial surface of the mandibular canine

A

False

13
Q

T/F: Ideal primary occlusion at age 3: The maxillary first molar occludes with the distal two-thirds of the mandibular first molar and the mesial section of the mandibular second molar

A

True

14
Q

T/F: Ideal primary occlusion at age 3: The maxillary canine occludes with the mandibular canine distal to its cusp tip and the mesial third of the mandibular first molar

A

True

15
Q

Why would some dental tubules appear black in a photomicrograph of a ground section of a tooth?

A

they are filled with air during suctioning, SO F’n RANDOM

16
Q

In MI, where in the maxilla does the tip of the mandibular canine chill?

A

max lateral incisor and max canine at the approximation of their marginal ridges

17
Q

Which teeth are going to be affected (aka which teeth are calcifying) when mom takes tetracycline during the 2nd trimester of pregnancy?

A

ALL PRIMARY TEETH ( NO PERMANENT TEETH!)

18
Q

T/F? The shape of the heads of the condyles determines many of the limits of mandibular movement.

A

True

19
Q

T/F? The mandible is the only bone in the human body that possesses two axes of rotation.

A

True

20
Q

What % of the total FL dimension does the occlusal table of any permanent posterior tooth comprise?

A

55-65 %

21
Q

Does the max 1st PM have a transverse ridge?

A

Yes!

22
Q

Does the mand 1st PM have a transverse ridge?

A

Yes!

23
Q

Does the ‘Y’ shaped Mand 2nd PM have a transverse ridge?

A

No!

24
Q

Ready for this bastard?? In a patient with a left canine protection, the ML surface of the perm MAX R 1st MOLAR contacts the DF surface of the mand R 1st molar during a LEFT lateral excursion. This contact is a _______ side interference.

A

Non-working

25
Q

Mand lateral incisor-Lingual view: the crest of the cervical line apically will usually be _____ to the long axis bisector.

A

distal

26
Q

Mand lateral incisor-Lingual view: ________ are consistently indistinct or inconspicuous

A

marginal ridges

27
Q

Progressive sideshift is also called the ______ movement

A

non-working!

28
Q

Which permanent tooth most likely has the largest faciolingual pulp chamber measurement in the mouth?

A

max 1st molar!

29
Q

Where is the most difficult area to remove calculus from the root area of the permanent molars?

A

distal of max 1st’s

30
Q

In MI, where does the MF cusp of the mand 2nd molar chill?

A

on the MMR of the max 2nd molar!! (not in the central groove)

31
Q

T/F? Perm Max Central & lat incisor morphology: The pulp chamber is WIDER mesiodistally than faciolingually for BOTH the central incisor and lingual incisor

A

True

32
Q

T/F? Perm Max Central & lat incisor morphology: In both incisors, the M root surface is LESS convex than the D root surface

A

True

33
Q

T/F? Perm Max Central & lat incisor morphology: The canal of EACH tooth is nearly always round, gradually tapered, and its foramen is at the apex.

A

False!

34
Q

T/F? Perm Max Central & lat incisor morphology: At its cervix, the central incisor’s pulp chamber is nearly the same length mesiodistally and faciolingually

A

True

35
Q

T/F? Perm Max Central & lat incisor morphology: The most frequent root and canal morphology of both teeth exhibits a single root with two canals

A

False

36
Q

What position yields the smallest measurement of vertical dimension?

A

Maximum Intercuspation (NOT Edge to Edge) (so Negative vertical dimension!)

37
Q

Which anatomical structure on the tooth starts to calcify first?

A

the lingo-incisal edge!

38
Q

The FREE GINGIVA extends from the _______ to the _______.

A

Gingival Crest to the Gingival Groove

39
Q

T/F?:Occlusal Morphology- In pure lateral mandibular movements, the working side condyle only rotates around the vertical axis

A

False

40
Q

T/F?:Occlusal Morphology-The cusp, ridge, fossa, and embrasure architecture allows function and eliminates a “locked-in” effect

A

True

41
Q

T/F?:Occlusal Morphology-If an anterior open bite (AOB) is present, the posterior teeth guide the mandible

A

True

42
Q

T/F?:Occlusal Morphology-The angle at which a tooth is placed depends on the function it needs to perform

A

True

43
Q

T/F?:Occlusal Morphology-Escapements help food be processed during mastication

A

True

44
Q

What anatomical feature can adversely affect the self-cleaning quality of a dentition in normal alignment?

A

too great of a contour on the cervical enamel ridge

45
Q

T/F: Small anterior teeth are better able to accommodate discursive (disoccluding) movements in an arch that has a flatter Curve of Spee

A

True!

46
Q

T/F: Posterior teeth with high likelihood of having one canal at an apex include the maxillary first molar (mesiofacial and palatal canals) and maxillary second molar (mesiofacial and palatal canals)

A

False

47
Q

T/F: The maxillary first molar distofacial and palatal canals are unlikely to have one canal at the apex

A

False

48
Q

T/F: The mandibular incisors are less likely to have one canal at the apex than are the maxillary incisors

A

False

49
Q

T/F: In the mandibular teeth, the occurrence of three canals at the apex is very likely

A

False

50
Q

T/F: For all maxillary molars, the palatal root is the longest and the distofacial root is the shortest

A

True!