Things that owned me on the DRILL-part 2

Question 1

________ ligaments attach the articular disc to the condyle.

Answer 1

Collateral Ligaments

Question 2

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?

Answer 2

Progressive sideshift

Question 3

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

Answer 3

Masseter and Medial Pterygoid

Question 4

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

Answer 4

Geniohyoid muscle

Question 5

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

Answer 5

True!

Question 6

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

Answer 6

True!

Question 7

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

Answer 7

passes mesial to the tip of the Max Canine

Question 8

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

Answer 8

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

Question 9

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

Answer 9

max lateral incisor

Question 10

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

Answer 10

True

Question 11

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

Answer 11

True

Question 12

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

Answer 12

False

Question 13

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

Answer 13

True

Question 14

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

Answer 14

True

Question 15

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

Answer 15

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

Question 16

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

Answer 16

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

Question 17

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

Answer 17

ALL PRIMARY TEETH ( NO PERMANENT TEETH!)

Question 18

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

Answer 18

True

Question 19

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

Answer 19

True

Question 20

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

Answer 20

55-65 %

Question 21

Does the max 1st PM have a transverse ridge?

Answer 21

Yes!

Question 22

Does the mand 1st PM have a transverse ridge?

Answer 22

Yes!

Question 23

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

Answer 23

No!

Question 24

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.

Answer 24

Non-working

Question 25

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

Answer 25

distal

Question 26

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

Answer 26

marginal ridges

Question 27

Progressive sideshift is also called the ______ movement

Answer 27

non-working!

Question 28

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

Answer 28

max 1st molar!

Question 29

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

Answer 29

distal of max 1st’s

Question 30

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

Answer 30

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

Question 31

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

Answer 31

True

Question 32

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

Answer 32

True

Question 33

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.

Answer 33

False!

Question 34

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

Answer 34

True

Question 35

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

Answer 35

False

Question 36

What position yields the smallest measurement of vertical dimension?

Answer 36

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

Question 37

Which anatomical structure on the tooth starts to calcify first?

Answer 37

the lingo-incisal edge!

Question 38

The FREE GINGIVA extends from the _______ to the _______.

Answer 38

Gingival Crest to the Gingival Groove

Question 39

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

Answer 39

False

Question 40

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

Answer 40

True

Question 41

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

Answer 41

True

Question 42

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

Answer 42

True

Question 43

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

Answer 43

True

Question 44

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

Answer 44

too great of a contour on the cervical enamel ridge

Question 45

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

Answer 45

True!

Question 46

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)

Answer 46

False

Question 47

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

Answer 47

False

Question 48

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

Answer 48

False

Question 49

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

Answer 49

False

Question 50

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

Answer 50

True!