general info and functions about all the teeth Flashcards Preview

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Flashcards in general info and functions about all the teeth Deck (170):
1

used for cutting

incisors

2

incisors

flat with ------ biting edge

incisors

flat with horizontal biting edge

3

tf incisors are single rooted

T

4

tf incisors are only teeth with mamelons

T

5

incisors

cut food and ant. guidance

6

help to support the lip and maintain an esthetic appearance

incisors

7

articulate speech 

incisors

8

incisors 

The roots frequently incline or curve ----

The roots frequently incline or curve distally

9

tf 

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

T

10

tf 

The mesial contact areas of incisors appear more gingivally positioned

F

The distal contact areas appear more gingivally positioned

11

12

used for piercing and tearing

canines

13

canine

longest teeth in mouth

14

eminent facially (esthetic support)

canines

15

cornestones of mouth 

canine

16

tf canines have 2-3 roots 

F single rooted

17

the only teeth to possess single conical cusp

canines

18

canine eminence

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

19

canine eminence

significant estetic and cosmetic value

20

canine

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

21

The distal crown contours of canines

are usually more rounded than the mesial

22

The distal contact areas of canines

 appear more gingivally positioned

23

the roots of canine

frequently incline or curve distally

24

All teeth have facial height of contour in

cervical third of crown

25

All upper posterior teeth have

lingual height of contour in middle 1/3 of crown

26

All lower posterior teeth have lingual height of contour

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

27

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

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

28

All lower posterior teeth have ----- ----- buccal surface and a relatively ----- lingual surface

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

29

All proximal heights of contour ---- with proximal contact areas

All proximal heights of contour coincide with proximal contact areas

30

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

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

31

Premolars replace (succeed)

primary molars

32

Mandibular teeth erupt before

maxillary counterparts

33

All anterior teeth and premolars are formed by

4 developmental lobes, 3 facial and 1 lingual

34

Exception

Y-type mandibular 2nd premolar which has

5 lobes (3 facial and 2 lingual)

 

35

All maxillary premolars have two cusps

of approximately equal size.

36

tf 

All mandibular premolars have two cusps of approximately equal size.

F

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

37

mandibular premolars incline significantly towards the

lingual

38

Maxillary premolars are wider

buccolingually than mesiodistally

39

The mandibular premolars have approximately equal

buccolingual and mesiodistal dimensions

40

first premolar is usually larger than the second

max premolars

41

second premolar is usually larger than the first

mandibular premolar

42

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

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

43

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

primary molars

44

hexagon shape

max P1

45

oval;diamond

maxP2;Mand P1

46

square

Mand P2

47

3 to 5 cusps

permanent molars

48

tf largest occlusal surfaces of any teeth is of pre molars

F

molars

49

2;3 roots

low molar; upper molars

50

1 lobe/ cusp

all molars

51

used for grinding

molars

52

pulp horn;lobe; cusp

1;1;1;

molars

53

all molars

one lobe per cusp

54

considered cornerstones to development of occlusion

 all molars

55

Permanent molars erupt

distal to primary dentition

56

upper post teet; lower post teeth

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

57

molar

All proximal heights of contour coincide with proximal contact areas

58

Proximal contact areas of all posterior teeth generally are

------ and ------ to the midpoint of the crown

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

59

 wider buccolingually than mesiodistally

Maxillary molars

60

 wider mesiodistally than buccolingually

Mandibular molars

61

are the most variable teeth morphologically

Upper and lower 3rd molars

62

are second most variable teeth morphologically

maxillary lateral incisors

63

Permanent mandibular first molars begin calcification

(formation) at birth

64

which one erupts first

mandibular or maxillary counterpart

Mandibular teeth erupt before maxillary counterpart

65

largest teeth in the maxillary arch

max molars

66

Shorter occlusogingivally

ant tooth or max molars

permanent max molars

67

max molars

largest; small

1st; 2nd molar

68

Crowns of max molars are wider ---- than ----

Crowns are wider buccolingually than mesiodistally

69

Three roots normally

permananent max molar

2 buccal 1 lingual

70

Oblique ridge and distolingual groove

max molars

71

rhomboid outline 

max molars

(M# heart)

72

 first max molars have

fifth cusp (Carabelli) and is smallest of cusps

73

arrange the cusps of max molar based on size

ML

DB

MB 

DL

(ML>MB>DB>DL)

74

erupts at age 18

max third molar

75

sometimes congenitally missing

max 3rd molar

76

Most variable tooth morphologically in the maxillary arch

max 3rd molar

77

tf 

max M3 is larger in all dimensions than M2

Smaller in all dimensions than M2

78

short roots

Max M3

79

roots pronounced and distal inclination

max m3 

80

irregular profile from the mesial and distal aspect

crown of M3

81

Oblique ridge of Max M3

barely visible

82

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

Max M3

83

max m3

Pit and groove pattern more variable

84

Crowns appear rectangular from the occlusal aspect

mand molar

85

mand m1

crown is pentagonal

86

mand molars Much larger than premolars except

occlusogingivally where they are slightly shorter

87

arrange the mand molar in terms of size

M1

m2

M3

M1>M2>M3

88

mand molar

 

Crowns are wider mesiodistally than buccolingually

89

Always two lingual cusps of approximately the same size

mand molar

90

Like their maxillary counterparts, no primary predecessors

mand molar

91

proximal aspect of mand molar

crowns appear rhomboidal and are inclined toward the lingual

92

M and D roots

mand molars

93

no primary predecessors

mand molars

94

No ------ in the primary dentition

No premolars in the primary dentition

95

All primary teeth begin calcification process

4-5 months in utero

96

All primary teeth emerge (erupt) by

age 2-3 years (2.5 years average)

97

Roots of primary teeth complete formation approximately

1-2 years after eruption

98

roots are about ---- formed at eruption

half

99

Roots begin to resorb approximately---- years before ----

Roots begin to resorb approximately 2-3 years before exfoliation

100

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

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

101

permanent 1st molars

erupt distal to the primary second molars

102

permanent molars

have no primary predecessors

103

Erupts at approximately age seven

Maxillary Central Incisor

104

erupts at age 8

max lat incisors

105

Mandibular Central Incisor

Erupts between age 6-7

106

Erupts at age 7-8

Mandibular Lateral Incisor

107

age 10

max second pre molars

108

Maxillary First Premolar erupt

age 9

109

max canine; mand canine

11-12;9-10

110

erupt at age 9

mandib 1st pre-molar

111

mandib 2nd pre-molar

erupt at age 10

112

erupt at age 6

Maxillary First Molar

113

erupt age 12

max second molar

114

max 3rd molar

(Erupts at age 18+)

115

Erupts at age 12

mand M2

116

erupt at age 6

Mandibular First Molar

117

118

4 lobes 1 cusp 1 root 1 root canal

Max central incisor

lateral incisor

canine

119

tf max P1 have 1 cusp 1 root 1 root canal

F

have 2 of each

120

tf max and mandible 

central incisor lat incisor and canine P1 have 5 lobes

F

all have 4 lobes

121

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

T

122

nill distal contact

M3( max and mindible)

123

only teeth to have incisal 1/3 distal contact

(others  are middle 1/3)

(maxilla central incisor is at junction)

Mandible central incisor 

Lateral incisor

124

distal contact at junction

maxilla central incisor

125

middle 1/3 mesial contact

maxilla, mandible

P1

P2

M1 M2M3

126

max and mandible central incisor

incisal 1/3 contact 

mesial contact

127

diff between mesial contact of maxilla , mandible

lat incisor and canine

maxilla

junction

mandible

middle 1/3

128

1 or 2 roots canals on mandible

lat incisor

129

1 or 2 roots on mandible

canine

130

2 cusps on mandible

P1

131

4 lobes on mandible

Central incisor 

lat incisor

canine

P1

M2

132

4 or 5 cusps on maxila

M1

133

4:3 cusp on maxilla

M2;M3

134

3 roots on maxilla

M1-M3

135

3 or 4 root canals on maxila

M1 or M2

136

tf M3 of maxilla has 2 cusps roots root canals

F

 alll 3

137

tf P2 and M2 have 4 lobes on maxilla

T

138

tooth on maxilla with 5 lobes

M1

139

4 or 5 lobes 

M3 on maxilla

140

lobes; cusps; roots on maxilla

4;2;1;

vs 4;4;3

P2 vs. M2

141

tooth on maxilla with 4 or 5 cusps

M1

142

3 or 4 root canals on maxilla

M1 or M2

143

4 or 5 lobes on maxilla

M3

144

cervical 1/3 lingual hoc on mandible

central inc, lat inc, canine

145

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

F

central and lat incisor dont

146

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

central incisor

lat incisor

canine

147

cervical 1/3 lingual hoc

central incisor, lat incisor, canine

on mandible

148

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

 

T

 except incisors and canine

149

only teeth of mandible to have 5 lobes

P1 , P2

150

tf M3 of mandible can have only 4 lobes

F

4 or 5

151

4 or 5 lobes, cusps

M3 of mandible

152

4 lobes and 2 cusps on mandible

P1

153

lobes; cusps. roots on mandible

5;5;2

M1

154

3 or 4 root canals on mandible

M1, M2

155

4;4;2 on mandible

(lobes, cusps, roots)

M2

156

3 or 4 root canals on mandible

M1,M2

157

tf M3 of mandible can have 1 root canal

F

2 to 4

158

3 or 4 root canals on mandible

M1,M2

159

2;1;1

cusps;roots; root canal

of mandible

P1 on mandible

160

1 or 2 roots on mandible

canine

161

5;5;2

lobe; cusps;roots of mandible

M1

162

4;4;2

root, crown, lobe

of mandible

M2

163

3 or 4 root canals on mandible

M1 M2

164

2;1;1

cusp; roots; root canal

on mandible

P1

165

2 or 3 cusps on mandible

P2

166

1 or 2 roots on mandible

canine

167

2 roots on mandible

M1

M2

M3

168

5 lobes and cusps vs

4 lobes and cusps

on mandible

M1 vs. M2

169

3 or 4 root canals on mandible

M1 and M2

170