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Oral Anatomy > final > Flashcards

final Flashcards

1
Q

Facial outline of canine

A

pentagon

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2
Q

Wear pattern on maxillary canine

A

Diamond

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3
Q

Distal lingual twist

A

Max Central
Mand Lateral
Mand Canine

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4
Q

Facial outline of premolar

A

pentagon

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5
Q

Mand Premolar occlusal outline

A

square

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6
Q

Max premolar occlusal outline

A

rectangle

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7
Q

Max premolar cusp position

A

mesial

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8
Q

Facial height of contour

A

Cervical third

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9
Q

Lingual height of contour

A

Anterior: Cervical 1/3
Posterior: Middle 1/3

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10
Q

Buccal developmental grooves on mand. premolars

A

1st: deeper mesial
2nd: deeper distal

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11
Q

mand 1st premolar occlusal outline

A

Diamond

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12
Q

Mand 1st premolar occlusal table

A

Triangular

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13
Q

mand 2nd premolar occlusal table

A

square

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14
Q

Groove pattern for two cusp

A

U, H, Y (three cusp)

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15
Q

Maxillary lateral incisor contact

A

Mesial: incisal 1/3
Distal: middle 1/3

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16
Q

Maxillary canine contact

A

Mesial: junction of middle and incisal
Distal: middle 1/3

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17
Q

Largest embrassure

A

lateral incisor and canine

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18
Q

Crown concavities

A

Max. first premolar mesial

Max. first molar distal

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19
Q

Incisor most likely to have pronounced marginal ridges

A

max. lateral incisor

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20
Q

Primary cusp triangle

A

Max molars Mesiobuccal, Mesiolingual, Distobuccal

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21
Q

Molar crowns taper buccal to lingual EXCEPT

A

Maxillary 1st w/ large distolingual cusp

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22
Q

Which teeth may have 3 cusps?

A

Max 2nd molar, mand 2nd premolar

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23
Q

Mandibular 1st vs 2nd molar roots

A

1: more divergent
2: convergent toward apex

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24
Q

Tallest to shortest cusp
Max.
Mand.

A

Max: Mesiolingual, Mesiobuccal, distobuccal, distolingual
Mand: mesiolingual, distolingual, mesiobuccal, distobuccal

25
Q

Cervical ridge location

A

Mesiobuccal of Mandibular second molar

26
Q

largest maxillary tooth

A

max 1st molar

27
Q

Roots biggest to smallest Maxillary molars

A

Lingual, mesiobuccal, distobuccal

28
Q

Max 1st vs 2nd molar roots

A

1st has more spread roots

29
Q

Maxillary molar Transverse and oblique ridge

A

Transverse: Mesiobuccal Mesiolingual
Oblique: Mesiolingual Distobuccal

30
Q

Maxillary molar fossas

A

Central (largest)
distal oblique (second largest)
mesial triangular
distal triangular (minute)

31
Q

Maxillary molar grooves

A 
Central
Buccal
distal oblique
lingual (off of distal oblique)
Transverse groove of oblique ridge
32
Q

Maxillary three cusp molar grooves

A

buccal

central

33
Q

Distal contact of max first

A

Central (exception)

34
Q

Only anterior tooth with possible 2 roots

A

mandibular canine (1 facial, 1 lingual)

35
Q

How many pulp horns for mandibular 1st premolar

A

1 b/c of small lingual cust

36
Q

How many pulp horns for incisors

A

3…1 for each facial lobe

37
Q

_% of mandibular incisors have 2 canals

A

40

38
Q

Largest root to crown ratio

A

Maxillary 2nd premolar

39
Q

Anterior teeth proximal view

A

Triangular

40
Q

occlusal outline of max molars

A

rhomboid

41
Q

Proximal outline of crowns of mandibular posterior

A

rhomboid

42
Q

occlusal outline of max molars (3 cusp)

A

heart shape

43
Q

Outline of cervical cross section of root of max 1st premolar

A

kidney shaped

44
Q

occlusal shape of mandibular first molar

A

pentagon

45
Q

Largest cusp of mandibular first molar

A

Mesiobuccal

46
Q

Primary crowns form when?

A

4-6 months in utero

47
Q

All primary teeth are erupted by?

A

2-3 years

48
Q

All primary roots formed by?

A

3 years

49
Q

How many teeth present at 8?

A

24 (6 permanent, 18 primary)

50
Q

Which has more anomalies primary or secondary?

A

secondary

51
Q

Primary roots bend….

A

labially

52
Q

All primary teeth are longer ______ except ______ which is longer _______

A

incisocervically except max incisor which is longer mesiodistally

53
Q

Marginal ridges prominent on which primary incisor?

A

max central (lateral for permanent)

54
Q

Primary tooth with more cervical mesial contact

A

max canine

55
Q

primary tooth with mesial cusp ridge longer than distal

A

max canine

56
Q

Widest cusp on mandibular primary second molar

A

distobuccal cusp

57
Q

Largest cusp on primary mand. first molar

A

mesiobuccal

58
Q

joining of cementum of adjacent teeth after eruption

A

concrescence

59
Q

ankylosis

A

failure to completely erupt due to trauma or infection

Oral Anatomy (2 decks)

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