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Dental Anatomy > Midterm > Flashcards

Midterm Flashcards

1
Q

Calcification:
3-4 months (3)

A

max central
mand central and lateral

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2
Q

Calcification:
4-5 months (2)

A

max canine
mand canine

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3
Q

Calcification:
10-12 months

A

max lateral

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4
Q

Calcification:
1.5-1.75 years

A

max 1st premolar

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5
Q

Calcification:
2-2.25 years

A

max 2nd premolars

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6
Q

Enamel Completion:
4-5 years (4)

A

max central and lateral
mand central and lateral

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7
Q

Enamel Completion:
5-6 years

A

max 1st premolar

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8
Q

Enamel Completion:
6-7 years (3)

A

max canine and 2nd premolar
mand canine

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9
Q

Root completion:
8-9 years

A

mand central

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10
Q

Root completion:
9-10 years

A

max central

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11
Q

Root completion:
10-11 years

A

mand lateral

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12
Q

Root completion:
11 years

A

max lateral

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13
Q

Root completion:
12-14 years (3)

A

max premolars (1 and 2)
mand canines

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14
Q

Root completion:
13-15 years

A

max canine

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15
Q

which side of CEJ is more curved usually

A

MESIAL

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16
Q

which way does root normally tilt

A

distal

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17
Q

which side is the root depression more prominent on?

A

DISTAL

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18
Q

what is another name for gingival third

A

cervical third

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19
Q

how many lobes on anterior and canines

A

4 lobes

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20
Q

what are succedaneous teeth

A

permanent teeth that REPLACE primary teeth

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21
Q

what teeth are considered succedaneous teeth

A

anteriors, canines, premolars

NOT MOLARS -> they dont replace baby teeth

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22
Q

what is ugly-duckling stage and when is it

A

mixed dentition 6-12 yrs old

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23
Q

palmar numbering system is used in

A

ortho. uses brackets and quads

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24
Q

what does DAST stand for

A

dentition
arch
side
tooth

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25
Q

what tissue makes up bulk of tooth

A

dentin
75% hydroxy

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26
Q

what tissue covers root

A

cementum
65% hydroxy

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27
Q

what covers the crown

A

enamel
hardest thing in body but also brittle! need dentin to support it
95% hydroxy

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28
Q

what are the types of periodontal ligaments (5)

A

alveolar crest \\ angled like that
horizontal (root to tissue)
oblique /// angled like that
apical (end of roots)
interradicular (b/w roots on bi/trifurication)

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29
Q

a line angle is formed by the junction of 2 surfaces

A

the junction of 2 surfaces

mesial-facial LINE ANGLE

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30
Q

what is a point angle formed by

A

3 touching surfaces

mesial-facial-incisal POINT ANGLE

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31
Q

what are embrasures

A

triangles b/w teeth
proximal ones are filled by gingival papilla

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32
Q

what are the fine lines on teeth called

A

parikymata

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33
Q

function incisors

A

cut food, speech, lip support

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34
Q

max incisors HOC

A

FL: cervical third
M: incisal third
D: junction of incisal/middle third

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35
Q

are max incisors longer or shorter than lateral?

A

LONGER!

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36
Q

3 anaomlies of max incisors

A

longer crown
shorter root
shovel shaped incisors

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37
Q

MD <> FL for max central inscior

A

MD>FL

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38
Q

what side of max central is more curved at incisal

A

distal incisal angle is curved

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39
Q

what side of max central is more straight at incisal

A

mesial incisal angle is more straight

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40
Q

what shape is the crown incisaly on max incisor

A

triangular
wedge from mesial/distal

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41
Q

where is incisal ridge located on max central insicor insical view

A

lingual!

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42
Q

lateral max incisor anomalies (4)

A

peg laterals
missing!!
dens in dente
developmental groove (extends from pit on lingual cingulum

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43
Q

what is difference on lateral incisor from central

A

crown is more slender, root longer and skinner
overall much rounder from inscial view
lingual fossa much more pronounced

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44
Q

where is the incisal edge located on max lateral incisor from insial view

A

central on tooth MD

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45
Q

lateral max incisor HOC

A

FL: cervical third
M: incisal third
D: junction of incisal/middle third

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46
Q

lateral max incisor MD<>FL

A

MD>FL

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47
Q

what is the very first tooth to erupt

A

mand central incisor

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48
Q

mand central incisor FL<>MD

A

FL>MD

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49
Q

mand central incisor roots/canals

A

usually 1 root and canal but sometimes 2 canals!!

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50
Q

mand central incisor incisal edge angle facially and incisallyt

A

STRIAGHT F
lingual from Incisal

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51
Q

mand central incisor cingulum

A

inconspicuous!

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52
Q

do mand central incisor have developmental depressions on roots?

A

YES! M and D

D much more DEEP

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53
Q

what teeth have the I beam effect

A

mand central/lateral incisor

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54
Q

mand central incisor HOC

A

FL: cervical third
MD: incisal third

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55
Q

mand lateral incisor FL<>MD

A

FL>MD

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56
Q

mand lateral incisor canals

A

usually 1 canal sometimes 2

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57
Q

mand lateral incisor smaller or larger than central?

A

larger a little

58
Q

mand lateral incisor cingulum

A

off to DISTAL!

59
Q

mand lateral incisor incisal edge

A

bent lingually from incisal view

DISTOLINGUAL TWIST!!

60
Q

mand lateral incisor root depressions?

A

YES! M and D

D more pronounced

61
Q

mand lateral and central incisor cingulum differeneces

A

LATERAL: displaced distally
CENTRAL: middle

62
Q

mand lateral and central incisor incisal edges from incisal view

A

LATERAL: distolingual twist
central: straight on

63
Q

anamolies of mand incisors

A

fusion, gemination, and concrescence

64
Q

fusion

A

2 roots and 2 teeth but crowns fuse together

65
Q

germination

A

one root with 2 crowns

66
Q

twinning

A

type of gemination. tooth ends up splitting completely -> extra tooth

67
Q

concrescene

A

2 independent teeth fused together on roots usually molars

68
Q

max canines function

A

CHEW! cornerstones! nearly irreplaceable. supports lip. protective guideposts in occlusion

69
Q

what tooth is the transition tooth

A

canines! ant -> post

70
Q

what tooth has the largest and strongest roots

71
Q

what is the first tooth with a cusp

72
Q

what cusp ridges does a canine have

A

mesial cusp ridge and distal cusp ridge

73
Q

max canines cinglum

A

greater development than incisors

74
Q

max canines FL<>MD

75
Q

max canines HOC

A

FL: cervical thirds/gingival thirds
M: junction of incisal/middle
D: middle third

76
Q

how many cusps does a canine have

77
Q

how many canals does max canines have

78
Q

max canines cusp tip is (incisal view)

A

facial to a bisecting line

79
Q

what can we see in gum line on canines

80
Q

which lobe on max canine has a prominent labial ridge

A

middle F lobe

81
Q

the middle F lobe on a max canine has what

A

a prominent labial ridge that forms M and D shallow depressions

82
Q

max canines: which cusp ridge is shorter/longer

A

mesial cusp ridge: shorter
distal cusp ridge: longer

83
Q

what in on the lingual side of max canines

A

distolingual fossa
mesiolingual fossa
lingual ridge (forms ^)
distal and mesial marginal ridges

84
Q

what shape is max canines crown from M/D

A

wedge shaped crown

85
Q

max canines cusp tip is from incisal view

A

facial and mesial

86
Q

is root wider FL and MD on max canines

A

FL. largest on any tooth!

87
Q

max canines: do they have root depressions?

A

yes! M and D
D more prominent and can extend beyond CEJ onto crown!! HUGE

88
Q

max canines: how many canals

A

ALWAYS one

89
Q

mand canines: FL<>MD

90
Q

mand canines: root curves?

A

mesial! can be distal though too. not reliable

91
Q

mand canines: canals

A

mostly 1, rarely 2

92
Q

mand canines HOC

A

FL: cervical third
M: incisal third
D: junction of incisal/middle third

93
Q

mand canines anomaly

A

bifurcation of roots

94
Q

mand canines crown shape M/D

A

wedge shape

95
Q

mand canines cingulum

A

slightly distal-> distolingual twist!

96
Q

mand canines vs max canines
which crown can be longer

A

mand crown can be longer than max

97
Q

mand canines vs max canines
which root can be longer

A

max longer

98
Q

mand canines vs max canines
which has smoother facial surface and less bulk and less cinglum

A

mand canines

99
Q

mand canines vs max canines
which cusp is more developed

100
Q

mand canines vs max canines
more prominant marginal ridges

101
Q

mand canines vs max canines
cusp tips on each are located (D/M view)

A

MAND: lingual
MAX: F

102
Q

mand canines vs max canines incisal edge are located (incisal view)

A

MAX: striaght
MAND: distolingual twiast

103
Q

what teeth do the premolars replace

A

deciduous molars

104
Q

where are cusps located on max premoalrs

A

buccally and lingually and well as the roots

105
Q

HOC max premolars facial aspect

A

M and D: middle third

106
Q

HOC max premolars promixal aspect

A

buccal: cerivcal third
lingual: middle third

107
Q

HOC max premolars occlusal aspect

A

M: junction of middle and buccal thirds
D: middle third
BL: middle third

108
Q

what shape of crown is max 1 premolars

A

trapezoidal from MD

109
Q

max 1 premolars how many roots/canals

A

2 roots and 2 canals!!

even if it has 1 root, still 2 canals

110
Q

max 1 premolars FL<>MD

111
Q

max 1 premolars- which cusp is 1mm longer

112
Q

max 1 premolars: which lobe is highly delveopled

A

middle buccal lobe (like canine!)

113
Q

max 1 premolars:
is crown shorter or longer than canine

114
Q

max 1 premolars:
is M cusp ridge of buccal cusp longer or shorter than the D

A

M is longer

115
Q

max 1 premolars: mesial buccal cusp ridge is

A

striaght and long

116
Q

max 1 premolars
distal buccal cusp ridge is

A

short and curved

117
Q

max 1 premolars: buccal root leans

118
Q

max 1 premolars: lingual root leans

A

striaght usually

119
Q

max 1 premolars:
2 key features

A

mesial marginally developmental groove (extends across mesial marginal ridge onto mesial proxiaml surface)

mesial developmental depression (extends more mesial contact area down middle of root to bifurcation)

120
Q

max 1 premolars: mesial marginal ridge is more _____ than the distal

121
Q

max 1 premolars: CEJ

A

barely any! Distal is basically 0

122
Q

max 1 premolar: crown is convex/concave

A

convex everywhere almost!

123
Q

max 1 premolars: marginally groove distally?

124
Q

max 1 premolars: which shape from incisal view

A

hexagonal shape

125
Q

max 1 premolars: what forms occlusal table

A

cusp ridges and marginal ridges

126
Q

max 1 premolars: buccal and lingual cusp tip from incisal view

A

buccal cusp tip: is DISTAL and facial** this is exception to rule! ALL other premolars have buccal cusp slightly mesial

lingual cusp tip: mesial and lingual (both premolars)

127
Q

max 2 premolars: FL><MD

128
Q

max 2 premolars: how many cusps

129
Q

max 2 premolars:how many roots

A

1 root and 1 canal!!

130
Q

max 2 premolars: differences between 1st PM

A

root can be longer
SINGLE root
more rounded

131
Q

max 2 premolars: mesiobuccal cusp ridge is ______distobuccal cusp ridge

A

SHORTER!

opposite for 1 PM

132
Q

max 2 premolars: cusps are

A

very similar in length. (shorter than 1 PM)

lingual is longer than 1 PM

133
Q

max 2 premolars: greater/less distance b/w cusp tips

134
Q

max 2 premolars: depressions on root?

A

yes on M and D. M not extending below or on CEJ

D root depression is deeper than M(Oppsoite for 1PM)

135
Q

max 1 premolars: root depressions

A

YES! M and D. **M IS DEEPER THAN D

136
Q

max 2 premolars: what type of appearance does it have

137
Q

max 2 premolars vs 1 premolars

cusp tip locations facial view

138
Q

max 2 premolars vs 1 premolars

cusp ridges faical view

A

1: M is longer. D shorter
2: M is shorter. D longer

139
Q

max 2 premolars vs 1 premolars

root depressions

A

1: M more prominent
2: D more prominent (rule)

140
Q

max 2 premolars vs 1 premolars

shapes incisally

A

1: hexagonal
2: round

141
Q

max 2 premolars vs 1 premolars

roots/canals

A

1: 2 roots, 2 canals
2: 1 root, 1 canal

Dental Anatomy (5 decks)

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