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dental Anatomy > exam 2 anterior teeth part 2 > Flashcards

exam 2 anterior teeth part 2 Flashcards

1
Q

which tooth, out of the mandibular teeth, has the longest root

A

canines

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2
Q

for the mandibular canines, there is ____ pulp horn; and can sometimes have an ______ canal

A

one; accessory

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3
Q

the mandibular canines have how many pulp canals and how many pulp chambers

A

one; one (large)

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4
Q

usually, for mandibular canines, more of the crown is (mesial or distal) to the root axis line

A

distal

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5
Q

on the labial view which cusp slope is noticeably shorter for mandibular canines

A

mesial slope

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6
Q

mesial contact area for mandibular canines

A

in the incisal third just below the mesioincisal angle

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7
Q

distal contact area for the mandibular canines

A

junction of the middle and incisal thirds, more cervically located than the mesial contact area

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8
Q

for the mandibular canines, the root apical end is more often what?

A

straight than curving toward mesial or distal sides

DO NOT USE ROOT CURVATURE IN JUDGING LEFT AND RIGHTS

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9
Q

true or false: canines have two lingual fossa (DL and ML) and a lingual ridge, mesial marginal ridge, and distal marginal ridge

A

true

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10
Q

the cingulum on the mandibular canines lies____ to the root axis line

A

just distal to root axis line

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11
Q

on the lingual view of the mandibular canines, can you see the longitudinal depressions on the mesial and distal surfaces of root?

A

yes

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12
Q

the crest of curvature on the labial surface for the mandibular canines is closer to the ____ line than on maxillary canines

A

cervical

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13
Q

for the mandibular canine, is the cusp tip positioned more labially or lingually to the root axis line?

A

lingually

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14
Q

the CEJ on the mandibular canine greater curve on which side

A

mesial

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15
Q

on the mandibular canines, the longitudinal depression is deeper on which side

A

distal

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16
Q

which tooth may be bifurcated into a facial and lingual terminal root(rare)- distal view

A

mandibular canine

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17
Q

oblong ______ outline is characteristic of mandibular canines (incisal view)

A

faciolingual

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18
Q

in the incisal view of the mandibular canines, the distoincisal angle is in a position ______ to the cusp tip(to match closely the curvature of the dental arch)

A

lingual

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19
Q

from the incisal view of the mandibular canines, which marginal ridge is longer?

A

mesial marginal ridge

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20
Q

for the mandibular canines, which crown outline (mesial or distal) doesn’t bulge beyond root outline?

A

mesial crown outline

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21
Q

for the mandibular canines, which cusp ridge is shorter?

A

mesial(also more horizontal than distal)

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22
Q

to tell left from right in mandibular canines, the cingulum is ___ to the center

A

distal

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23
Q

the incisal ridge on the mandibular canines is more ______ (lingual or labial) on the distal half

A

lingual

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24
Q

which half of the crown may appear “pinched” faciolingually on the mandibular canines(looking at incisal view)

A

distal half

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25
Q

for canines, which M-D contact areas were more cervical (maxillary or mandibular canines?)

A

maxillary canines

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26
Q

which has a blunter root tip, the maxillary or mandibular canines?

A

mandibular

27
Q

no longitudinal depressions on max central incisor roots- true or false

A

true

28
Q

max laterals incisors, root depression on mesial, not on distal**

A

true

29
Q

mand cen and lat- depressions on mesial and distal, distal side is deeper*****

A

true

30
Q

which teeth, out of the canines, that the mesial outline of crown bulges beyond root outline?

A

maxillary canines

31
Q

max canine cingulum:

mand canine cingulum:

A
  • centered

- displaced to D(sometimes centered)

32
Q

which teeth, out of canines, does the labial height of contour on the proximal view is closer to the cervical line?

A

mandibular canines

33
Q

for the maxillary canines, is the incisal wear more on the lingual or labial?

A

lingual

34
Q

maxillary canine facets on which surface?

A

facets on lingual-incisal or lingual surface

35
Q

mandibular canine facets on which surface

A

labial-incisal of cusp ridge

36
Q

which are the smallest teeth in the mouth?

A

mandibular incisors

37
Q

maxillary central incisors are wider which way?

A

mesiodistally

38
Q

when do mandibular incisors erupt?

A

between 6 and 8 years of age

39
Q

mandibular incisors are wider which way

A

F-L than M-D

40
Q

where do the contact areas usually reside mostly for mandibular incisors?

A

incisal ridge

41
Q

for mandibular incisors, where is attrition usually found?

A

incisal edges, none on lingual surface

42
Q

true or false: mandibular incisors have roots that are shorter in proportion to the crowns

A

false

43
Q

are the mandibular central incisors bilaterally symmetrical?

A

yes!

44
Q

contact areas for both mesial and distal for mandibular centrals

A

M- incisal 1/3 almost level with incisal edge; distal about level

45
Q

the cingulum of the mandibular central incisors is

A

small and centered on lingual surface

46
Q

from the lingual view of mandibular incisors, the root is slightly more narrower; is there longitudinal depressions on both sides of the root?

A

yes

47
Q

maxillary laterals root depression

A

depression on the mesial, not distal

48
Q

(mesial view)crest of curvature for mandibular centrals labial outline

A

just incisal to the CEJ

49
Q

mandibular central incisor, which side has a deeper CEJ curvature?

A

mesial

50
Q

for mandibular centrals, where is the longitudinal depression on mesial view

A

middle 1/3 of M root surface

51
Q

for mandibular centrals, which side is the longitudinal depression more pronounced?

A

distal

52
Q

which tooth shows normal development with very few malformations or abnormalities

A

mandibular lateral incisor

53
Q

when do mandibular laterals erupt?

A

7-8 years of age

54
Q

for the mandibular laterals, the incisal edge curves toward

A

distal

55
Q

what kind of twist does mandibular lateral incisor have?

A

distolingual twist

56
Q

contact areas for mesial mandibular lateral incisors

A

in the incisal 1/3

57
Q

contact area for distal mandibular lateral incisor

A

incisal 1/3 but cervical to the level of the M contact

58
Q

which marginal ridge is longer for mandibular lateral incisor

A

Mesial

59
Q

on the mesial view of mandibular lateral incisor, incisal edge slopes which way

A

labially

60
Q

on the distal view of mandibular lateral incisor, incisal edge slopes which way

A

lingually

61
Q

CEJ curvature on the mandibular lateral incisor

A

much greater on mesial than distal

62
Q

for mand lateral incisor, longitudinal depression deeper on the

A

distal

63
Q

the incisal edge of the lateral incisor curves toward the what side?

A

distal, following the contour of mandibular arch

64
Q

for mandibular lateral incisor, the cingulum is slightly offset to the what?

A

distal

dental Anatomy (3 decks)

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