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dental anatomy > general info and functions about all the teeth > Flashcards

general info and functions about all the teeth Flashcards

1
Q

used for cutting

A

incisors

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2
Q

incisors

flat with —— biting edge

A

incisors

flat with horizontal biting edge

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3
Q

tf incisors are single rooted

A

T

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4
Q

tf incisors are only teeth with mamelons

A

T

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5
Q

incisors

A

cut food and ant. guidance

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6
Q

help to support the lip and maintain an esthetic appearance

A

incisors

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7
Q

articulate speech

A

incisors

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8
Q

incisors

The roots frequently incline or curve —-

A

The roots frequently incline or curve distally

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9
Q

tf

The distal crown contours of incisor are usually more rounded than the mesial

A

T

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10
Q

tf

The mesial contact areas of incisors appear more gingivally positioned

A

F

The distal contact areas appear more gingivally positioned

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11
Q
A
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12
Q

used for piercing and tearing

A

canines

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13
Q

canine

A

longest teeth in mouth

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14
Q

eminent facially (esthetic support)

A

canines

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15
Q

cornestones of mouth

A

canine

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16
Q

tf canines have 2-3 roots

A

F single rooted

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17
Q

the only teeth to possess single conical cusp

A

canines

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18
Q

canine eminence

A

the positions and forms of canines and their anchorage in the bone, along with the bone ridge over the labial portions of the roots

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19
Q

canine eminence

A

significant estetic and cosmetic value

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20
Q

canine

A

help form a foundation that ensures normal facial expression at the “corners” of the mouth

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21
Q

The distal crown contours of canines

A

are usually more rounded than the mesial

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22
Q

The distal contact areas of canines

A

appear more gingivally positioned

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23
Q

the roots of canine

A

frequently incline or curve distally

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24
Q

All teeth have facial height of contour in

A

cervical third of crown

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25
Q

All upper posterior teeth have

A

lingual height of contour in middle 1/3 of crown

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26
Q

All lower posterior teeth have lingual height of contour

A

more occlusally positioned than upper (middle 1/3 or junction of middle and occlusal 1/3)

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27
Q

All upper posterior teeth have —- —– lingual surface and a relatively—— buccal surface

A

All upper posterior teeth have 2 planar lingual surface and a relatively straight buccal surface

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28
Q

All lower posterior teeth have —– —– buccal surface and a relatively —– lingual surface

A

All lower posterior teeth have 2 planar buccal surface and a relatively straight lingual surface

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29
Q

All proximal heights of contour —- with proximal contact areas

A

All proximal heights of contour coincide with proximal contact areas

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30
Q

Proximal contact areas of all ——- teeth generally are —— and —– to the midpoint of the crown

A

Proximal contact areas of all posterior teeth generally are buccal and occlusal to the midpoint of the crown

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31
Q

Premolars replace (succeed)

A

primary molars

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32
Q

Mandibular teeth erupt before

A

maxillary counterparts

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33
Q

All anterior teeth and premolars are formed by

A

4 developmental lobes, 3 facial and 1 lingual

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34
Q

Exception

Y-type mandibular 2nd premolar which has

A

5 lobes (3 facial and 2 lingual)

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35
Q

All maxillary premolars have two cusps

A

of approximately equal size.

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36
Q

tf

All mandibular premolars have two cusps of approximately equal size.

A

F

The mandibular premolars may have more than two cusps (i.e. Y-type P2) and the lingual cusps are less prominent.

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37
Q

mandibular premolars incline significantly towards the

A

lingual

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38
Q

Maxillary premolars are wider

A

buccolingually than mesiodistally

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39
Q

The mandibular premolars have approximately equal

A

buccolingual and mesiodistal dimensions

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40
Q

first premolar is usually larger than the second

A

max premolars

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41
Q

second premolar is usually larger than the first

A

mandibular premolar

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42
Q

maxillary first premolar is the only premolar that normally has —- root branches

A

maxillary first premolar is the only premolar that normally has two root branches

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43
Q

(All premolars “succeed” (erupt in the positions of) the

A

primary molars

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44
Q

hexagon shape

A

max P1

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45
Q

oval;diamond

A

maxP2;Mand P1

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46
Q

square

A

Mand P2

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47
Q

3 to 5 cusps

A

permanent molars

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48
Q

tf largest occlusal surfaces of any teeth is of pre molars

A

F

molars

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49
Q

2;3 roots

A

low molar; upper molars

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50
Q

1 lobe/ cusp

A

all molars

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51
Q

used for grinding

A

molars

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52
Q

pulp horn;lobe; cusp

A

1;1;1;

molars

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53
Q

all molars

A

one lobe per cusp

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54
Q

considered cornerstones to development of occlusion

A

all molars

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55
Q

Permanent molars erupt

A

distal to primary dentition

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56
Q

upper post teet; lower post teeth

A

2 planar lingual surface and a relatively straight buccal surface; 2 planar buccal surface and a relatively straight lingual surface

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57
Q

molar

A

All proximal heights of contour coincide with proximal contact areas

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58
Q

Proximal contact areas of all posterior teeth generally are

—— and —— to the midpoint of the crown

A

Proximal contact areas of all posterior teeth generally are buccal and occlusal to the midpoint of the crown

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59
Q

wider buccolingually than mesiodistally

A

Maxillary molars

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60
Q

wider mesiodistally than buccolingually

A

Mandibular molars

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61
Q

are the most variable teeth morphologically

A

Upper and lower 3rd molars

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62
Q

are second most variable teeth morphologically

A

maxillary lateral incisors

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63
Q

Permanent mandibular first molars begin calcification

A

(formation) at birth

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64
Q

which one erupts first

mandibular or maxillary counterpart

A

Mandibular teeth erupt before maxillary counterpart

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65
Q

largest teeth in the maxillary arch

A

max molars

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66
Q

Shorter occlusogingivally

ant tooth or max molars

A

permanent max molars

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67
Q

max molars

largest; small

A

1st; 2nd molar

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68
Q

Crowns of max molars are wider —- than —-

A

Crowns are wider buccolingually than mesiodistally

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69
Q

Three roots normally

A

permananent max molar

2 buccal 1 lingual

70
Q

Oblique ridge and distolingual groove

A

max molars

71
Q

rhomboid outline

A

max molars

(M# heart)

72
Q

first max molars have

A

fifth cusp (Carabelli) and is smallest of cusps

73
Q

arrange the cusps of max molar based on size

ML

DB

MB

DL

A

(ML>MB>DB>DL)

74
Q

erupts at age 18

A

max third molar

75
Q

sometimes congenitally missing

A

max 3rd molar

76
Q

Most variable tooth morphologically in the maxillary arch

A

max 3rd molar

77
Q

tf

max M3 is larger in all dimensions than M2

A

Smaller in all dimensions than M2

78
Q

short roots

A

Max M3

79
Q

roots pronounced and distal inclination

A

max m3

80
Q

irregular profile from the mesial and distal aspect

A

crown of M3

81
Q

Oblique ridge of Max M3

A

barely visible

82
Q

Common occlusal outline form is heart shaped due to very small or totally absent DL cusp

A

Max M3

83
Q

max m3

A

Pit and groove pattern more variable

84
Q

Crowns appear rectangular from the occlusal aspect

A

mand molar

85
Q

mand m1

A

crown is pentagonal

86
Q

mand molars Much larger than premolars except

A

occlusogingivally where they are slightly shorter

87
Q

arrange the mand molar in terms of size

M1

m2

M3

A

M1>M2>M3

88
Q

mand molar

A

Crowns are wider mesiodistally than buccolingually

89
Q

Always two lingual cusps of approximately the same size

A

mand molar

90
Q

Like their maxillary counterparts, no primary predecessors

A

mand molar

91
Q

proximal aspect of mand molar

A

crowns appear rhomboidal and are inclined toward the lingual

92
Q

M and D roots

A

mand molars

93
Q

no primary predecessors

A

mand molars

94
Q

No —— in the primary dentition

A

No premolars in the primary dentition

95
Q

All primary teeth begin calcification process

A

4-5 months in utero

96
Q

All primary teeth emerge (erupt) by

A

age 2-3 years (2.5 years average)

97
Q

Roots of primary teeth complete formation approximately

A

1-2 years after eruption

98
Q

roots are about —- formed at eruption

A

half

99
Q

Roots begin to resorb approximately—- years before —-

A

Roots begin to resorb approximately 2-3 years before exfoliation

100
Q

Primary dentition exists until beginning of —– dentition with the emergence (eruption) of the permanent first molars at age —–

A

Primary dentition exists until beginning of mixed dentition with the emergence (eruption) of the permanent first molars at age six

101
Q

permanent 1st molars

A

erupt distal to the primary second molars

102
Q

permanent molars

A

have no primary predecessors

103
Q

Erupts at approximately age seven

A

Maxillary Central Incisor

104
Q

erupts at age 8

A

max lat incisors

105
Q

Mandibular Central Incisor

A

Erupts between age 6-7

106
Q

Erupts at age 7-8

A

Mandibular Lateral Incisor

107
Q

age 10

A

max second pre molars

108
Q

Maxillary First Premolar erupt

A

age 9

109
Q

max canine; mand canine

A

11-12;9-10

110
Q

erupt at age 9

A

mandib 1st pre-molar

111
Q

mandib 2nd pre-molar

A

erupt at age 10

112
Q

erupt at age 6

A

Maxillary First Molar

113
Q

erupt age 12

A

max second molar

114
Q

max 3rd molar

A

(Erupts at age 18+)

115
Q

Erupts at age 12

A

mand M2

116
Q

erupt at age 6

A

Mandibular First Molar

117
Q
A
118
Q

4 lobes 1 cusp 1 root 1 root canal

A

Max central incisor

lateral incisor

canine

119
Q

tf max P1 have 1 cusp 1 root 1 root canal

A

F

have 2 of each

120
Q

tf max and mandible

central incisor lat incisor and canine P1 have 5 lobes

A

F

all have 4 lobes

121
Q

tf all teeth have facial cervical HOC at Cervical 1/3

A

T

122
Q

nill distal contact

A

M3( max and mindible)

123
Q

only teeth to have incisal 1/3 distal contact

(others are middle 1/3)

(maxilla central incisor is at junction)

A

Mandible central incisor

Lateral incisor

124
Q

distal contact at junction

A

maxilla central incisor

125
Q

middle 1/3 mesial contact

A

maxilla, mandible

P1

P2

M1 M2M3

126
Q

max and mandible central incisor

incisal 1/3 contact

A

mesial contact

127
Q

diff between mesial contact of maxilla , mandible

lat incisor and canine

A

maxilla

junction

mandible

middle 1/3

128
Q

1 or 2 roots canals on mandible

A

lat incisor

129
Q

1 or 2 roots on mandible

A

canine

130
Q

2 cusps on mandible

A

P1

131
Q

4 lobes on mandible

A

Central incisor

lat incisor

canine

P1

M2

132
Q

4 or 5 cusps on maxila

A

M1

133
Q

4:3 cusp on maxilla

A

M2;M3

134
Q

3 roots on maxilla

A

M1-M3

135
Q

3 or 4 root canals on maxila

A

M1 or M2

136
Q

tf M3 of maxilla has 2 cusps roots root canals

A

F

alll 3

137
Q

tf P2 and M2 have 4 lobes on maxilla

A

T

138
Q

tooth on maxilla with 5 lobes

A

M1

139
Q

4 or 5 lobes

A

M3 on maxilla

140
Q

lobes; cusps; roots on maxilla

4;2;1;

vs 4;4;3

A

P2 vs. M2

141
Q

tooth on maxilla with 4 or 5 cusps

A

M1

142
Q

3 or 4 root canals on maxilla

A

M1 or M2

143
Q

4 or 5 lobes on maxilla

A

M3

144
Q

cervical 1/3 lingual hoc on mandible

A

central inc, lat inc, canine

145
Q

tf all teeth on mandible have middle 1/3 distal contact

A

F

central and lat incisor dont

146
Q

only teeth on mandible that don;t have middle 1/3 mesial contact, but have incisal 1/3

A

central incisor

lat incisor

canine

147
Q

cervical 1/3 lingual hoc

A

central incisor, lat incisor, canine

on mandible

148
Q

tf most of teeth on mandible have middle 1/3 lingual hoc

A

T

except incisors and canine

149
Q

only teeth of mandible to have 5 lobes

A

P1 , P2

150
Q

tf M3 of mandible can have only 4 lobes

A

F

4 or 5

151
Q

4 or 5 lobes, cusps

A

M3 of mandible

152
Q

4 lobes and 2 cusps on mandible

A

P1

153
Q

lobes; cusps. roots on mandible

5;5;2

A

M1

154
Q

3 or 4 root canals on mandible

A

M1, M2

155
Q

4;4;2 on mandible

(lobes, cusps, roots)

A

M2

156
Q

3 or 4 root canals on mandible

A

M1,M2

157
Q

tf M3 of mandible can have 1 root canal

A

F

2 to 4

158
Q

3 or 4 root canals on mandible

A

M1,M2

159
Q

2;1;1

cusps;roots; root canal

of mandible

A

P1 on mandible

160
Q

1 or 2 roots on mandible

A

canine

161
Q

5;5;2

lobe; cusps;roots of mandible

A

M1

162
Q

4;4;2

root, crown, lobe

of mandible

A

M2

163
Q

3 or 4 root canals on mandible

A

M1 M2

164
Q

2;1;1

cusp; roots; root canal

on mandible

A

P1

165
Q

2 or 3 cusps on mandible

A

P2

166
Q

1 or 2 roots on mandible

A

canine

167
Q

2 roots on mandible

A

M1

M2

M3

168
Q

5 lobes and cusps vs

4 lobes and cusps

on mandible

A

M1 vs. M2

169
Q

3 or 4 root canals on mandible

A

M1 and M2

170
Q
A

dental anatomy (12 decks)

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