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Dental Anatomy > Tooth Anatomy > Flashcards

Tooth Anatomy Flashcards

1
Q

Max central incisor facial outline

A

square/trapezoid flat from inscisal view

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2
Q

Max central incisor proximal outline

A

triangle/ wedge, gentle s bend on lingual profile

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3
Q

Max central incisor root

A

distal offset, mesial of root more slanted, round in cross section

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4
Q

Max central incisor corners

A

rounded distoinscisal corners

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5
Q

Max central incisor anatomical features

A

cingulum offset to distal, mamelons, lingual fossa

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6
Q

Max central incisor distal contact

A

junction of middle and incisal thrids

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7
Q

Max central incisor mesial contact

A

incisal third

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8
Q

Max central incisor facial lingual HOC

A

cervical third, cervical third on cingulum

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9
Q

Max central incisor long axis of root

A

incisal edge is facial to long axis of root

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10
Q

Max Lateral Incisor facial outline

A

rectangle or trapezoid, rounded from incisal view

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11
Q

Max Lateral Incisor proximal outline

A

triangle or wedge, gentle s bend on lingual profile

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12
Q

Max Lateral Incisor root

A

distal offset, round cross section, crown is centered over root

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13
Q

Max Lateral Incisor corners

A

both incisal corners are rounded

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14
Q

Max Lateral Incisor anatomical features

A

Lingual pit, lingual fossa, centered cingulum, distal bend to apical

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15
Q

Max Lateral Incisor long axis of root

A

insical edge is facial to long axis

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16
Q

Max Lateral Incisor distal contact

A

middle third

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17
Q

Max Lateral Incisor mesial contact

A

junction of middle and incisal thirds

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18
Q

Max Lateral Incisor facial/lingual HOC

A

Cervical third, cervical third on cingulum

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19
Q

Mandibular central incisor crown dimension

A

IG>MD BL>MD

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20
Q

Mandibular central incisor facial outline

A

rectangle, continous curve

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21
Q

Mandibular central incisor proximal outline

A

triangle or wedge shaped, gentle s bend

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22
Q

Mandibular central incisor root

A

distal offset, flattened M and D in cross section

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23
Q

Mandibular central incisor corners

A

sharp incisal corners

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24
Q

Mandibular central incisor anatomical features

A

slightly lingual to maxillary teeth

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25
Q

Mandibular central incisor long axis of root

A

incisal edge is lingual to long axis

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26
Q

Mandibular central incisor distal contact

A

incisal third

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27
Q

Mandibular central incisor mesial contact

A

incisal third

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28
Q

Mandibular central incisor facial/lingual HOC

A

cervical third, cervical third on cingulum

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29
Q

Mandibular lateral incisor crown dimension

A

usually larger than central

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30
Q

Mandibular lateral incisor facial outline

A

rectangle, continuous curve

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31
Q

Mandibular lateral incisor proximal outline

A

triangle/wedge gentle s bend

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32
Q

Mandibular lateral incisor root

A

flat, longer FL, ribbon cross section, concave

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33
Q

Mandibular lateral incisor corner

A

DI corner rounder

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34
Q

Mandibular lateral incisor anatomical features

A

no lingual pit, tend to have longer roots and crowns than centrals

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35
Q

Mandibular lateral incisor long axis of root

A

incisal edge not perpendicular to BL cross section, follows the curve of the arch

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36
Q

Mandibular lateral incisor distal contact

A

junction of middle and incisal thirds

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37
Q

Mandibular lateral incisor mesial contact

A

incisal third

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38
Q

Mandibular lateral incisor facial/lingual HOC

A

cervical third, cervical third on cingulum

39
Q

Maxillary canine facial outline

A

pentagon

40
Q

Maxillary canine proximal outline

A

triangle or wedge, gentle s curve

41
Q

Maxillary canine root

A

oval cross section wider MD at buccal, offset to distal

42
Q

Maxillary canine distal vs mesial

A

distal lobe more prominent than mesial lobe

43
Q

Maxillary canine anatomical features

A

prominent labial ridgebulky centered cingulum

44
Q

Maxillary canine long axis of root

A

cusp tip is facial to long axis

45
Q

Maxillary canine distal contact

A

middle third

46
Q

Maxillary canine mesial contact

A

junction of middle and incisal thirds

47
Q

Maxillary canine facial/lingual HOC

A

cervical third, cervical third on cingulum

48
Q

Mandibular canine facial outline

A

pentagon, incisal edge twists distally to follow arch

49
Q

Mandibular canine proximal outline

A

triangle or wedge, continous curve

50
Q

Mandibular canine root

A

tapers in all directions, oval cross section, wider MD at facial, offset to mesial

51
Q

Mandibular canine distal ve mesial

A

mesial is flat and in line with root, distal bulge

52
Q

Mandibular canine anatomical features

A

cingulum offset to distal, longitudinal root concavity possible, may be 2 rooted

53
Q

Mandibular canine long axis of root

A

not in line with long axis, cusp tip lingual to long axis

54
Q

Mandibular canine distal contact

A

junction of incisal and middle thirds

55
Q

Mandibular canine mesial contact

A

incisal third

56
Q

Mandibular canine facial/lingual HOC

A

cervical third/cervical third on cingulum

57
Q

Max 1st premolar crown dimension

A

shorter lingual cusp than buccal cusp, buccal cusp ridge MCR>DCR

58
Q

Max 1st premolar facial outline

A

pentagon

59
Q

Max 1st premolar proximal outline

A

trapezoid

60
Q

Max 1st premolar root

A

lingual root often has mesial offset, distal offset of apex, most common type II

61
Q

Max 1st premolar distal vs. mesial

A

facial cusp tip offset to distal, lingual cusp tip offset to mesial

62
Q

Max 1st premolar anatomical features

A

mesial groove spills over mesial marginal ridge

63
Q

Max 1st premolar distal contact

A

junction of occlusal and middle thirds

64
Q

Max 1st premolar mesial contact

A

junction of occlusal and mesial thirds

65
Q

Max 1st premolar facial/lingual HOC

A

cervical third/ middle third

66
Q

Max 2nd premolar crown dimension

A

facial and lingual cusp DCR>MCR offset to mesial

67
Q

Max 2nd premolar facial outline

A

pentagon

68
Q

Max 2nd premolar proximal outline

A

trapezoid

69
Q

Max 2nd premolar root

A

distal at apex, single rooted, root is longer then 1st premolar and crown is shorter

70
Q

Max 2nd premolar distal vs. mesial

A

distal contact is larger

71
Q

Max 2nd premolar anatomical features

A

F and L cusp tips are about same height, rounded line angles, shorter central groove

72
Q

Max 2nd premolar distal contact

A

junction of occlusal and middle thirds

73
Q

Max 2nd premolar mesial contact

A

junction of occlusal and middle thirds

74
Q

Max 2nd premolar facial/lingual HOC

A

cervical third, middle third

75
Q

Mand 1st premolar crown dimension

A

diamond incisal view

76
Q

Mand 1st premolar facial outline

A

pentagon

77
Q

Mand 1st premolar proximal outline

A

rhomboid

78
Q

Mand 1st premolar root

A

apex bends to distal, ovoid in cross section

79
Q

Mand 1st premolar distal vs. mesial

A

distal marginal ridge higher than mesial

80
Q

Mand 1st premolar anatomical features

A

sloped occlusal table

81
Q

Mand 1st premolar long axis of root

A

facial cusp tip over root, long axis of crown tilted lingually

82
Q

Mand 1st premolar distal contact

A

junction of middle and occlusal thirds

83
Q

Mand 1st premolar mesial contact

A

middle third

84
Q

Mand 1st premolar facial lingual HOC

A

cervical third/middle third

85
Q

Mand 2nd premolar crown dimension

A

DCR>MCR, cornw outline pentagon, occlusal table is square

86
Q

Mand 2nd premolar facial outline

A

pentagon

87
Q

Mand 2nd premolar proximal outline

A

rhomboid

88
Q

Mand 2nd premolar root

A

round, oval in cross section

89
Q

Mand 2nd premolar distal vs. mesial

A

DL cusp is shorter than ML, lingual groove displaced to distal

90
Q

Mand 2nd premolar anatomical features

A

usually larger than mand 1st premolars

91
Q

Mand 2nd premolar long axis of root

A

facial cusp tip over root, long axis of crown tips to lingual

92
Q

Mand 2nd premolar distal contact

A

junction of middle and occlusal thirds

93
Q

Mand 2nd premolar mesial contact

A

juction of middle and occlusal thirds

94
Q

Mand 2nd premolar facial/lingual HOC

A

cervical third/occlusal third

Dental Anatomy (2 decks)

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