Upper teeth Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

(Primary) Second tooth to erupt?

A

Upper central primary incisor

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2
Q

erupts at 8-12th month

A

Upper central primary incisor

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3
Q

Only tooth where the

mesiodistal diameter is greater than the cervicoincisal length

A

Upper central primary incisor

squatted aspect

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4
Q

Upper central primary incisor crown labial surface:

incisor edge is _____ ______

A

nearly straight

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5
Q

Upper central primary incisor crown labial surface:

cervical ridge is ____

A

obvious

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6
Q

Upper central primary incisor crown labial surface:

development grooves are _____ _____ and the labial surface is very ______

A

not seen

smooth

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7
Q

Upper central primary incisor crown labial surface:

mesioincisal angle is a _____

A

right angle

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8
Q

Upper central primary incisor crown labial surface:

disalincisal angle is _____ & _____

A

round and obtuse

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9
Q

Upper central primary incisor crown labial surface:

Medial surface is ______ and converges towards the ____ _____

A

straight

main axis

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10
Q

Upper central primary incisor crown labial surface:

distal surface is ______ all along

A

convex

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11
Q

Upper central primary incisor crown lingual surface:

_____ marginal ridges

A

well-developed

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12
Q

Upper central primary incisor crown lingual surface:

cingulum development?

A

highly developed

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13
Q

Upper central primary incisor crown lingual surface:

lingual fossa is ____ and divided into ___ parts by ______

A

lingual fossa is small and divided into 2 parts by lingual axis ridge

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14
Q

Upper central primary incisor crown lingual surface:

_____ in cervical third

A

convex

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15
Q

Upper central primary incisor crown mesial and distal surface:

cervical aspect is _____ while incisal aspect is ____

A

cervical thicker

incisal thinner

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16
Q

Upper central primary incisor crown mesial and distal surface:

The crown appears ____ at the _____ third and even toward the _____ third.

A

appears thick at middle third

toward incisal third

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17
Q

The curvature of cervical line, represents the

A

cementoenamel junction (CEJ)

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18
Q

Upper central primary incisor crown mesial and distal surface:

cementoenamel junction/curvature of cervical line curves towards the _____ (2)?

A

incisal ridge

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19
Q

Upper central primary incisor crown mesial and distal surface:
mesial is ____ than the distal

A

longer

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20
Q

Upper central primary incisor incisal aspect:

relatively _____

A

straight

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21
Q

Upper central primary incisor incisal aspect:

labial surface is much _____ & ______ than the lingual

A

broader and smoother

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22
Q

Upper central primary incisor root:

shape?

A

cone

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23
Q

Upper central primary incisor root:

cross section shape?

A

cross section = triangle

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24
Q

Upper central primary incisor root:

deviation of apex towards ? (2)

A

buccal and distal

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25
Q

Upper central primary incisor root:

pulp chamber?

A

follows external morphology

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26
Q

Upper central primary incisor root:

Pulp horns?

A

Accentuated

Mesial most accentuated

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27
Q

Upper lateral primary incisor:

compared to central incisor? (2)

A
  • very similar

- crown smaller in every direction

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28
Q

erupts at 9-13th month

A

central lateral primary incisor

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29
Q

Upper central primary incisor crown labial surface:

cervico-incisal length is ___ than mesio-distal diameter

A

greater

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30
Q

Upper central primary incisor crown labial surface:

distoincisal angle is ____

A

rounder

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31
Q

Upper central primary incisor crown labial surface:

mesial angle is _____

A

acute

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32
Q

Upper central primary incisor crown labial surface:

surface is _____

A

flatter

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33
Q

Upper central primary incisor crown labial surface:

mesial surface starts _____ and then angles towards the ____

A

straight

long axis

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34
Q

Upper central primary incisor crown labial surface:

distal surface?

A

convex all along

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35
Q

Upper central primary incisor crown lingual surface:

Cingulum development?

A

less accentuated

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36
Q

Upper central primary incisor crown labial surface:

marginal ridge development?

A

well developed

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37
Q

Upper central primary incisor crown labial surface:

central ridge?

A

no central ridge

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38
Q

Upper central primary incisor crown labial surface:

concave or convex?

A

slightly convex

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39
Q

Upper central primary incisor crown mesial and distal surface:

concave or convex?

A

convex surfaces

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40
Q

Upper central primary incisor crown mesial and distal surface:

Great ______ diameter at the cervix

A

labiopalatal

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41
Q

Upper central primary incisor crown mesial and distal surface:

incisal border shape?

A

triangular

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42
Q

Upper central primary incisor crown incisal surface?

2

A
  • similar to central

- smaller and narrower than central

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43
Q

Upper central primary incisor root:

apex deviated towards ___ & _____

A

buccal and distal

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44
Q

Upper central primary incisor root:

Slightly squatted in _____ direction

A

mesio-distal

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45
Q

Upper central primary incisor root:

Much ______ in proportion to its crown than the central incisor ratio

A

longer

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46
Q

Upper central primary incisor pulp chamber? (2)

A
  • It follows the external morphology

- The mesial pulp horn is more accentuated

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47
Q

Conic and bulky crown

A

Upper primary canine

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48
Q

Erupts at 16-22nd month

A

Upper primary canine

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49
Q

One of the first teeth where we see physiological abrasion

A

Upper primary canine

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50
Q

Upper primary canine crown labial surface:

crown is more constricted at the ____ in relation to the _____ width

A

cervix in relation to the mesio-distal width

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51
Q

Upper primary canine crown labial surface:

mesial and distal surfaces are more _____

A

convex

52
Q

Upper primary canine crown labial surface:

Cusp is ____ than in permanent canines

A

longer

53
Q

Upper primary canine crown labial surface:

cusp slope?

A

Mesial slope is longer than distal

54
Q

Upper primary canine crown lingual surface:

Presence of _____? (2)

A

cingulum and marginal ridges

55
Q

Upper primary canine crown lingual surface:

____ divides area into ____

A

central ridge divides into 2 shallow fossas

56
Q

Upper primary canine crown lingual surface:

2 fossas?

A

mesiolingual and distolingual fossas

57
Q

Upper primary canine crown mesial surface:

outline similar to? (2)

A

central and lateral incisor

58
Q

Upper primary canine crown mesial surface:

Greater _______ at the cervical ______

A

labiolingually at cervical third

59
Q

Upper primary canine crown distal surface:

Curve from cervical line to cusp ____ accentuated than mesial aspect

A

less

60
Q

Upper primary canine incisal aspect:

Crown shape?

A

diamond

61
Q

Upper primary canine incisal aspect:

Tip of cusp is ____ to the center of crown

A

distal

62
Q

Upper primary canine incisal aspect:

Cusp slope?

A

Mesial longer

63
Q

Root twice as long as crown?

A

Upper primary canine

64
Q

Upper primary canine root shape? (3)

A

long, slender, conic

65
Q

Upper primary canine root:

curves ____ & _____ from ____ third towards apex

A

distal and buccal from central third

66
Q

Upper primary canine crown root:

pulp chambers? most accentuated?

A

3

central

67
Q

Upper first primary molar ____ than maxillary second molar

A

smaller

68
Q

Acts as a transition tooth between the anterior

sector and the molars

A

Upper first primary molar

69
Q

Erupts at 13-19th month

A

Upper first primary molar

70
Q

Upper first primary molar crown facial surface:

Widest measurement?

A

diameter between mesial and distal contact surfaces at middle third

71
Q

Upper first primary molar crown facial surface:

crown converges towards…?

A

cervix

72
Q

Upper first primary molar crown facial surface:

Occlusal line?

A

slightly scalloped but with no definite form

73
Q

Upper first primary molar crown facial surface:

smooth vs rough? (2)

A

smooth

-little evidence of developmental grooves

74
Q

Upper first primary molar crown lingual surface:

crown convergence?

A

Crown converges considerably in a lingual

direction

75
Q

Upper first primary molar crown lingual surface:

mesiodistal diameter?

A

shorter at lingual surface

76
Q

Upper first primary molar most prominent, longest, sharpest cusp?

A

lingual

77
Q

Upper first primary molar mesial aspect:

cervical third ______ than occlusal third

A

greater

78
Q

Upper first primary molar mesial aspect:

convexity evident on ….?

A

buccal outline of cervical third

79
Q

Zuckerkandl tubercle

A

Upper first primary molar

80
Q

Upper first primary molar mesial aspect:

Cervical line curves towards _____ surface

A

occlusal

81
Q

Upper first primary molar distal aspect:

Crown is ____ distally than mesially

A

narrower

82
Q

Upper first primary molar distal aspect:

Crown tapers maredly towards the _____

A

distal end

83
Q

Upper first primary molar distal aspect:

Distobuccal cusp? (2)

A

Long and sharp

84
Q

Upper first primary molar distal aspect:

Cervical line?

A

May curve occlusally

85
Q

Upper first primary molar occlusal surface:

______ & _____ angle are greater than the ______ & _____ diameter

A

Mesiobuccal and distobuccal > mesiolingual and distolingual

86
Q

Upper first primary molar occlusal surface:

Convergence? (3)

A

Double convergence

  • mesial and distal towards palatal and buccal
  • palatal towards distal
87
Q

Upper first primary molar occlusal surface contains? (7)

A
  • Central fossa
  • central groove
  • mesial triangular fossa
  • distal triangular fossa
  • Mesial marginal ridge
  • distal marginal ridge (thin and poorly defined)
  • Buccal developmental groove
88
Q

Which tooth has a distal marginal ridge thin and poorly defined

A

Upper first primary molar

89
Q

Upper first primary molar cusp sizes?

A

Palatal > Mesiobuccal > distobuccal cusps

90
Q

Upper first primary molar biggest diameter?

A

buccal surface

91
Q

Upper first primary molar buccal surface? (2)

A

very oblique and very convex

92
Q

Upper first primary molar palatal surface?

A

Very convex

93
Q

Upper first primary molar mesial surface? (2)

A

Not very oblique or convex

94
Q

Upper first primary molar distal surface? (2)

A

More oblique and convex than mesial

95
Q

Upper first primary molar number of roots and shape? (3)

A

3 slender and long roots

96
Q

Upper first primary molar root:

Largest?

A

lingual

97
Q

Upper first primary molar root mesial surface:

extends ___ in a marked angle

A

lingually

98
Q

Upper first primary molar root:

curve?

A

toward buccal at apical third

99
Q

Upper first primary molar root:

bifurcation point?

A

near CEJ at distal surface

100
Q

Upper first primary molar pulp chamber? (2)

A

o It follows the external morphology

o The mesial pulp horns are more accentuated

101
Q

Erupts at 25-33rd month?

A

Upper second primary molar

102
Q

Very similar to first permanent molar but smaller

A

Upper second primary molar

103
Q

Tooth displays isomorphism

A

Upper second primary molar

104
Q

Upper second primary molar buccal surface:

cusps?

A

2 well defined

105
Q

Upper second primary molar buccal surface:

buccal groove?

A

can be seen

106
Q

Upper second primary molar buccal surface:

crown? (2)

A
  • longer than first molar

- narrower at cervix

107
Q

Upper second primary molar lingual surface:

cusps?

A

3

  • mesiolingual
  • distolingual
  • tubercle of carabelli (supplemental)
108
Q

Tubercle of carabelli?

A

Upper second primary molar

109
Q

Upper second primary molar:

Well defined ______ separates the ______ cusp from the _______ cusp

A

developmental groove

separates mesiolingual from distolingual

110
Q

Upper second primary molar mesial surface:

Larger cusp?

A

Mesiolingual cusp with

tubercle of carabelli appears larger than mesiobuccal cusp

111
Q

Upper second primary molar mesial surface:
crown appears _____ because of its width _____ in comparison with its
length

A

short

buccolingually

112
Q

Upper second primary molar distal surface:
The distal _____ of the crown is less than the
mesia

A

calibration

113
Q

Upper second primary molar distal surface:

Larger cusp?

A

distobuccal and distolingual cusps are about the same

114
Q

Upper second primary molar occlusal surface:

shape?

A

rhomboidal

115
Q

Upper second primary molar occlusal surface:

buccal surface?

A

flat

116
Q

Upper second primary molar occlusal surface consists of: (9)

A
  • Central fossa
  • central groove
  • mesial triangular fossa
  • distal triangular fossa
  • Mesial marginal ridge
  • distal marginal ridge
  • oblique ridge
  • Distal developmental groove
  • lingual developmental groove
117
Q

Which tooth has an oblique ridge? what does it connect?

A

Upper second primary molar

  • DB with ML cusps
118
Q

Upper second primary molar cusps? and size?

A

5 cusps

-ML>MB>DB>DP>carabelli

119
Q

Upper second primary molar roots from buccal aspect?

A

Appear slender

120
Q

Upper second primary molar roots from buccal aspect:

bifurcation?

A

Bifurcation between the buccal roots is close to the cervical line of the crown

121
Q

Upper second primary molar roots from lingual aspect? (2)

A
  • All three roots are visible,

- lingual root the largest and thickest.

122
Q

Upper second primary molar roots from mesial:

mesiobuccal root? (2)

A

-broad and flat

123
Q

Upper second primary molar roots from mesial:

Lingual root?

A

somewhat the same curvature as the lingual

root of the maxillary first molar

124
Q

Upper second primary molar roots from distal?

A
  • all three roots are seen

- distobuccal is shorter and barrower than others

125
Q

Upper second primary molar roots from distal:

Bifurcation point?

A

between the distobuccal and the lingual
roots is more apical in location than any other point of the
bifurcation

126
Q

Upper second primary molar pulp chamber? (2)

A

o It follows the external morphology.
o The mesial pulp horns are more accentuated. (The
MB the most)