Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Dental Anatomy > Final Exam Review Questions > Flashcards

Final Exam Review Questions Flashcards

1
Q

in the permanent maxillary first molar, the ___ ___ is larger than the lingual

A
  • buccal embrasure
  • this is opposite of normal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

from the proximal view of the permanent mandibular canine, it makes a ___ shape from crown tip to root apex

A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

the primary mandibular central incisor has the smallest ___ dimension

A

labiolingual

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

the permanent mandibular central incisor is ___ than the mandibular; this is ___ of the maxillary incisors

A
  • smaller
  • opposite
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

eruption of primary teeth begins and ends at about what ages?

A
  • begins around 6 months
  • ends around 30 months
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

in the primary maxillary canine, the tip of the cusp is ___ to the center

A

distal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

the occlusal outline from the occlusal view of the mandibular 1st premolar is ___ shaped

A

diamond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

the primary maxillary canine’s ___ slope of the cusp is longer than the ___ slope

A
  • mesial
  • distal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

the maxillary 2nd premolar has ___ that are equal in size compared to any other posterior tooth

A

fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

the permanent mandibular central incisor is the most ___ symmetrical

A

bilaterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the maxillary 3rd molar has a single antagonist. what does this mean?

A

it occludes with only one tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the apex of the the mandibular 2nd premolar root approximates what feature of the mandible?

A

mental foramen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

other than 3rd molars, the permanent maxillary lateral incisors are the most often congenitally ___ tooth

A

missing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

in the permanent maxillary first molar, the center of the oblique ridge is the same level as what?

A

the marginal ridges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the lingual cusp of the maxillary first premolar is offset to the ___

A

mesial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

the permanent maxillary lateral incisors have a mesiodistal measurement that is nearly equal to the ___ measurement - this is the ___ of all anterior teeth

A
  • labiolingual
  • closest
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

the maxillary first premolar is the only premolar with a longer ___ ridge

A

mesial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

overall, the CEJ dips deeper on what 4 teeth/ asepcts of teeth?

A
  • anterior teeth than posterior
  • maxillary teeth than mandibular
  • mesial side of the tooth than distal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

the mandibular 2nd premolar is the only premolar with what 3 things?

A
  • multiple lingual cusps
  • lingual groove
  • central fossa
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what is the shape of the cross section of the permanent maxillary first molar at the cervix, and what is this shape a result of?

A
  • triangular
  • due to the three root configuration
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

the permanent mandibular canine is the anterior tooth that most freqently exhibits a ___ root. it is positioned ___ and ___.

A
  • bifurcated
  • labial
  • lingual
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

the maxillary first premolar’s mesial slope (mesial cusp ridge) of the buccal cusp is ___ than the distal slope

A

longer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

the permanent maxillary central incisors are the non-molar teeth that most frequently have ___ and ___ pulp horns

A

mesial and distal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

in normal occlusion, the lingual cusp of the mandibular 1st premolar does not ___. in other words, it is not a “___”

A
  • occlude
  • working cusp
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

the maxillary first premolar has the most pronouned ___ groove

A

mesiomarginal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

mamelons present after age 10 indicates a possible sign of ___

A

malocclusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

the maxillary 3rd molar is frequently ___-shaped. which cusp is it missing?

A
  • heart
  • distolingual cusp is missing
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

the mesial surface of the permanent mandibular canine crown is almost ___ to the long axis

A

parallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

the permanent maxillary canine has a large ___

A

cingulum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

the permanent maxillary canine is referred to as what?

A

the cornerstone of the dental arches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

the primary mandibular 2nd molar resembles what tooth?

A

permanent mandibular 1st molar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

the mesiodistal diameter of primary maxillary central incisors is ___ than the cervicoincisal length

A

greater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

the primary maxillary 2nd molar resembles which tooth?

A

the permanent maxillary 1st molar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

from the proximal view, the permanent maxillary canine is positioned with the most ___ axis

A

vertical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

the permanent mandibular 1st molar has how many roots with how many pulpal canals? where are the pulpal canals located?

A
  • 2 large roots with 3 pulpal canals (total)
  • 1 pulpal canal in the distal root, 2 pulpal canals in the mesial root
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

which two teeth have longer mesial ridges?

A

permanent maxillary 1st premolar and primary maxillary canine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

the permanent maxillary lateral incisors has the most prominent ___ of all anterior teeth

A

marginal ridges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

the cusp tip of the permanent maxillary canine is located ___ to the long axis; from the incisal view, more of the ___ is visible

A
  • labial
  • lingual
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

what is the general order of eruption of primary teeth?

A
  • centrals
  • laterals
  • 1st molars
  • canines
  • 2nd molars
  • lower before upper, except lateral incisors
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

the nondescript, pointed form of the permanent maxillary lateral incisors is called a ___

A

peg lateral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

the distolingual cusp of the permanent maxillary first molar is the only one that is not part of the ___ ___ ___ ___ ___

A

maxillary molar primary cusp triangle (MB-ML-DB)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

the mesiolingual cusp of the primary mandibular 1st molar is the ___ and ___ of all cusps

A

highest and sharpest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

which tooth is the most likely to be forced into the maxillary sinus during an extraction?

A

maxillary 1st molar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

the permanent mandibular canine has a ___ mesially on the root that is more ___ and can be ___

A
  • developmental depression
  • pronounced
  • deep
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

the permanent mandibular 1st molar has 2 ___ and 1 ___ groove, and they all converge at the ___ ___

A
  • buccal
  • lingual
  • central pit
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

how many cusps does the permanent maxillary first molar have? how many are major and how many are minor?

A
  • 5 total
  • 4 major, 1 minor
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

the permanent mandibular canine is more narrow ___ than the maxillary canine

A

mesiodistally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

the mandibular 1st premolar has a uniquely prominent ___ ridge with no ___ groove, and separate ___ and ___ pits

A
  • triangular
  • central
  • mesial and distal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

newly erupted permanent maxillary central incisors may have ___

A

mamelons

each tooth has 3 mamelons, representing developmental grooves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

the mandibular 2nd premolar is the premolar that most frequently has a single ___ ___

A

central pit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

what is the only tooth the maxillary 3rd molar occludes with?

A

mandibular 3rd molar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

compared to permanent teeth, primary teeth are ___ pigmented, giving them a ___ appearance

A
  • less
  • whiter
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

compared to permanent teeth, the cervical ridges of enamel of primary anterior teeth are more ___

A

prominent; they bulge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

the primary mandibular 1st molar has a distinct ___ ridge connecting which two cusps?

A
  • transverse ridge (2 triangular ridges that come together)
  • connects MB and ML cusps
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

the mandibular 3rd molar has the ___ roots of any mandibular tooth

A

shortest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

compared to permanent teeth, crowns and roots of primary molars at their cervical portion are more ___ mesiodistally

A

slender

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

the permanent maxillary first molar is wider ___ than ___

A

buccolingual than mesiodistal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

instead of a long central groove with a few supplemental grooves, the maxillary 2nd premolar has a ___ central groove and a lot of ___ grooves

A
  • short
  • supplemental
  • this give the tooth a wrinkly appearance
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

roots of the primary maxillary 1st molar resemble roots of which teeth? what is the difference?

A
  • permanent maxillary first molar
  • the primary maxillary first molar roots are thinner and more flared
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

compared to permanent teeth, cervical ridges bucally on primary molars are much more pronounced, especially on which teeth?

A

maxillary and mandibular 1st molars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

how many roots does the permanent maxillary first molar have? name them from largest to smallest.

A
  • 3
  • palatal, mesiobuccal (widest buccolingually), distobuccal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

the permanent maxillary first molar usually appears when the child is ___ years old

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

the permanent maxillary 2nd molar has a small ___ cusp

A

distolingual

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

compared to permanent teeth, roots of primary anterior teeth are ___ and ___ comparatively

A

narrower and longer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

cross section of the permanent mandibular canine’s root is ___ or ___. it is flattened in a ___ direction.

A
  • irregularly oval or ovoid
  • mesiodistal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

the permanent maxillary lateral incisors exhibit the most variations in crown __/__ than any other tooth except the ___

A
  • shape/morphology
  • 3rd molars
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

the permanent maxillary canine has a ___ bulge

A

distal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

the crown of the permanent mandibular 2nd molar inclines to the ___ and ___

A

lingual and mesial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

the permanent mandibular canine crown is ___ than the maxillary canine

A

longer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

the distolingual groove of the permanent maxillary 2nd molar is similar to what tooth?

A

first molar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

the permanent mandibular 1st molar crown is wider ___ than ___. this is the opposite of which tooth?

A
  • mesiodistally
  • buccolingually
  • this is the opposite of the maxillary 1st molar
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

the permanent maxillary central incisors has measurements nearly identical for ___ vs ___

A

incisocervical vs mesiodistal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

the occlusal view of the permanent mandibular 2nd molar has what type of pattern?

A

cross or cruciform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

the permanent maxillary canine has the ___ cervical prominence of any anterior tooth

A

greatest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

the primary mandibular 1st molar has the most distinctly prominent ___ cervical ridge in the primary dentition

A

buccal/facial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

the maxillary first premolar crown is shorter than the canine, but it is the premolar with the ___ cusp inclines and has the ___ cervico-occlusal crown height of posterior teeth

A
  • steepest
  • greatest
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

the permanent maxillary central incisors have the ___ cervical curvature on the mesial of any other tooth

A
  • greatest
  • referring to the CEJ
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

the permanent mandibular 2nd molar roots are ___ together and incline ___

A
  • closer
  • distally
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

the labiolingual diameter of the permanent mandibular central incisor is always ___ than the mesiodistal

80
Q

the permanent mandibular central incisor is the ___ and ___ tooth in the permanent dentition

A

smallest and simplest

81
Q

what are the names of the 3 developmental grooves of the permanent mandibular 1st molar?

A
  • mesiobuccal developmental groove
  • distobuccal developmental groove
  • lingual developmental groove
82
Q

the occlusal outline of the permanent mandibular 1st molar has what shape?

83
Q

the incisal edge of the permanent mandibular central incisor has the ___ incisal edgest mesial and distal

84
Q

the occlusal surface of the permanent mandibular 1st molar has how many grooves? what shape do the grooves form?

85
Q

the permanent maxillary first molar is wider ___ than ___, and ___ than ___

A
  • mesially than distally
  • lingually than buccally
86
Q

from the occlusal view of the permanent maxillary first molar, the mesiobuccal and distolingual angles are ___

87
Q

the mandibular 1st premolar has a ___ developmental groove

A

mesiolingual

88
Q

compared to permanent teeth, primary teeth are ___ mineralized

A

less; this means they wear more

89
Q

the permanent maxillary canine resembles what tooth?

A

the permanent mandibular canine

90
Q

the permanent mandibular 1st molar is larger than any other ___ tooth

A

mandibular

91
Q

the permanent mandibular 2nd molar has how many buccal grooves?

92
Q

is the permanent maxillary first molar a succedanous tooth?

93
Q

what is the arrangement of the roots of primary maxillary first molars?

A
  • trifurcation
    • 2 buccal
    • 1 palatal
94
Q

the primary mandibular lateral incisor is similar to what other tooth?

A

primary mandibular central incisor

95
Q

the permanent maxillary lateral incisors have the most distinct and deepest ___ of all anterior teeth

A

lingual fossa

96
Q

describe the tubercle on the primary maxillary 2nd molar

A
  • cusp of carabelli on ML cusp
  • oblique ridge connecting mesiolingual cusp to distobuccal cusp
  • lingual developmental groove
97
Q

the root of the mandibular 2nd premolar is ___ and ___ than the 1st premolar

A

thicker and longer

98
Q

the permanent maxillary first molar has the greatest ___ diameter of the crown for all teeth

A

faciolingual (buccolingual)

99
Q

what is the name of the minor cusp of the permanent maxillary first molar and where is it located?

A
  • cusp of carabelli
  • located the mesiolingually
100
Q

the distoincisal angle of the permanent maxillary lateral incisors has the greatest ___ of all maxillary teeth

101
Q

list the cusp sizes of the permanent maxillary first molar from largest to smallest

A

mesiolingual, mesiobuccal, distolingual, distobuccal, and cusp of carabelli

102
Q

all three buccal cusps of the primary mandibular 2nd molar are almost ___ in size

103
Q

the cervical cross section of the maxillary first premolar exhibits a ___ shape pulp chamber

104
Q

the mandibular 2nd premolar has how many developmental lobes?

105
Q

the permanent maxillary central incisors are the non-molar teeth least likely to have a ___ root

A

bifurcated

106
Q

name, in order of frequency, the 3 most congenitally missing teeth in all of the dentition

A

most frequently congenitally missing to least

  • 3rd molars
  • maxillary lateral incisors
  • mandibular 2nd premolars
107
Q

from the incisal aspect of the permanent mandibular canine, more of the ___ is seen

A

labial surface

108
Q

the lingual cusp of the mandibular 1st premolar is approximately ___ the height of the buccal cusp. this is similar to the cingulum of a ___

A
  • 2/3
  • canine
109
Q

the mandibular 2nd premolar has ___ root(s)

110
Q

the permanent maxillary canine has the ___ root of any tooth

111
Q

the primary mandibular central incisor is ___ symmetrical

A

bilaterally

112
Q

the mesiodistal crown width of the permanent maxillary lateral incisors is ___ of any maxillary teeth

113
Q

list the cusps of the permanent mandibular 1st molar in order from largest to smallest

A

mesiobuccal, mesiolingual, distolingual, distobuccal, distal

114
Q

of the the permanent maxillary first molar roots, which is most likely to have two pulp canals?

A

mesiobuccal root

115
Q

what is unique about the primary mandibular 1st molar in relation to all other teeth?

A

it does not resemble any other tooth - primary or permanent

116
Q

the permanent maxillary canine has the greatest ___ measurement of any anterior tooth

A

labiolingual

117
Q

in relation to the cervical line, name the furcations of the permanent maxillary first molar from shortest to longest

A

mesial, buccal, distal

118
Q

the permanent maxillary canine is the only tooth that has potential of contacting both ___ and ___ teeth

A

anterior and posterior

119
Q

the mandibular 2nd premolar is the most congenitally missing ___

120
Q

from the occlusal aspect of the primary maxillary 1st molar, the crown resembles what tooth?

A

permanent maxillary 1st premolar

121
Q

the permanent mandibular canine lingual surface is ___

A

smoother and less bulky

122
Q

the maxillary first premolar’s buccal cusp is ___ and ___, resembling a ___

A
  • long
  • pointed
  • canine
123
Q

how many developmental lobes do the permanent maxillary central incisors have? where are they located?

A
  • 4
  • 3 on the incisal edge (mamelons)
    • “incisal edge” implies that the mamelons have been worn down
  • the cingulum is the 4th lobe
124
Q

the mesiobuccal cervical ridge of the primary maxillary 1st molar is the most ___ for maxillary primary teeth. this causes the CEJ to dip ___

A
  • prominent
  • apically
125
Q

the permanent mandibular 1st molar has the ___ root of any molar

126
Q

the mandibular 1st premolar exhibits the most variation of all posterior teeth in ___ vs ___ cusp height

A

buccal vs. lingual

127
Q

the mesiolingual developmental groove of the mandibular 1st premolar makes the mesial marginal ridge run at a ___ degree angle

128
Q

the maxillary 2nd premolar has ___ cusps that are almost ___ in height

129
Q

the mandibular 2nd premolar can show ___ occlusal patterns. what are they, and what is the most likely pattern?

A
  • 3
  • Y, U, and H
  • most likely to have a crescent shaped (U) central developmental groove
130
Q

the distal contact of the permanent maxillary lateral incisors is farthest ___ of any incisor

A

cervically

131
Q

how many cusps does the permanent mandibular 1st molar have? what are their locations?

A
  • 5
  • 2 buccal, 2 lingual, 1 distal
132
Q

the permanent mandibular 1st molar is the ___ tooth in the mandibular arch

133
Q

the permanent mandibular central incisor has a ___ on the mesial and distal of root surfaces

A

depression area

134
Q

the root of the permanent mandibular central incisor is narrow ___ and wide ___

A
  • mesiodistally
  • labiolingually
135
Q

the mesiolingual developmental groove of the mandibular 1st premolar originates from the ___ pit and extends onto the ___ surface

A
  • mesio-occlusal
  • proximal
136
Q

the permanent mandibular canine has the straightest ___ ___ of the crown and root

A

mesial alignment

137
Q

from the occlusal view of the permanent maxillary first molar, the mesiolingual and distobuccal angles are ___

138
Q

the permanent mandibular canine has the ___ crown dimension of any other tooth

139
Q

the occlusal outline of the permanent maxillary first molar is ___ in shape from the occlusal view

A

rhomboidal

140
Q

what is the primate space?

A
  • the space between the maxillary lateral and canine, and between the mandibular canine and 1st molar
  • only in the primary dentition
141
Q

the permanent mandibular central incisor occludes with ___ other tooth/teeth

142
Q

the permanent maxillary canine has the greatest overall ___

A

tooth length

143
Q

the Y-type of the mandibular 2nd premolar has the same number of ___ ___ as the maxillary 1st molar

A

occlusal pits

144
Q

the occlusal table of the mandibular 2nd premolar is ___ in shape

A

rectangular

145
Q

loss of deciduous teeth mirrors the ___

A

eruption sequence

146
Q

compare the orientation of enamel rods in primary vs. permanent teeth

A
  • primary
    • point occlusally in the cervical 1/3
  • permanent
    • oriented in a fan shape, initially in a more apical direction in the cervical 1/3 and fanning to a more occlusal direction in the middle and occlusal 1/3s
147
Q

the permanent mandibular canine has a less prominent ___ than the maxillary canine

148
Q

the mandibular 1st premolar is closest of all mandibular teeth in ___ vs. ___ diameter. this makes it look ___

A
  • buccolingual vs. mesiodistal
  • rounder
149
Q

which tooth is known for it’s characteristic “snake eyes”?

A
  • the mandibular 1st premolar
  • restorations in the mesial and distal pits
150
Q

the permanent maxillary lateral incisor is the anterior tooth most likely to demonstrate lingual pit ___, due to ___

A
  • caries
  • lingual fossa
151
Q

compared to permanent teeth, crowns of primary anterior teeth are wider ___ than ___

A

mesiodistal than cervicoincisal

152
Q

the buccal cusp tip of the maxillary first premolar is offset to the ___

153
Q

what feature of the permanent maxillary first molar can pose problems in cleaning and matrix band placement?

A

distal concavity above the distal furcation

154
Q

the permanent maxillary 2nd molar has how many crown shapes? describe their types

A
  • 2
  • first type resembles a 1st molar - rhomboidal
  • second type resembles a 3rd molar - heart shaped
155
Q

in the Y-type of the mandibular 2nd premolar, the ___ cusp is always larger than the ___ cusp

A
  • mesiolingual
  • distolingual
156
Q

does the permanent maxillary 2nd molar have a 5th cusp?

157
Q

the mesial developmental depression of the maxillary first premolar causes what two problems in dental care?

A
  • difficult to clean (prone to periodontal disease)
  • difficult to adapt a matrix band (restoration overhangs)
158
Q

the permanent mandibular canine has an incisal edge ___ to the long axis. this is ___ of the maxillary canine

A
  • lingual
  • opposite
159
Q

the maxillary first premolar has a marked depresseion called the ___ ___ ___

A

mesial developmental groove

160
Q

the permanent maxillary canine is the only tooth in the permanent dentition with a ___ and ___-placed labial ridge

A

vertical and centrally-placed

161
Q

the primary maxillary 1st molar is much ___ in all measurements compared to the maxillary 2nd

162
Q

the primary maxillary 2nd molar is much ___ than the primary 1st molar

163
Q

the permanent mandibular 1st molar has the greatest root ___ of any other tooth

A

separation

164
Q

the oblique ridge of the permanent maxillary first molar forms the ___ boundary of the ___ fossa

A
  • distal
  • central
165
Q

the oblique ridge of the permanent maxillary first molar connects which two cusps?

A

mesiolingual and distobuccal

166
Q

the Y-type of the mandibular 2nd premolar has one ___ and two ___ cusps

A
  • buccal
  • lingual
167
Q

the proximal contacts of the permanent mandibular central incisor are at what level?

A

approximately the same level mesial and distal

168
Q

the mandibular 1st premolar’s ___ measurement is the smallest of any posterior tooth

A

buccolingual

169
Q

when viewed from the occlusal, the coronal outline of the mandibular 2nd premolar is ___ in shape

A

pentagonal

170
Q

the primary maxillary canine has a long, well-developed ___

171
Q

the permanent maxillary first molar is the ___ tooth in the maxillary arch

A

largest

don’t confuse “large” with “long”…

172
Q

the maxillary 2nd premolar is the most ___ posterior tooth

A
  • symmetrical tooth
  • this is a result of the cusps being almost equal in height
173
Q

the mandibular 1st premolar is the only premolar that frequently exhibits ___ pulp horn(s)

174
Q

the maxillary first premolar is the non-molar tooth that most frequently exhibits ___ roots. They are oriented ___

A
  • three
  • 2 buccal, 1 lingual
175
Q

the permanent maxillary central incisors are the only anterior teeth wider ___ than ___

A

mesiodistally than labiolingually

176
Q

in the primary maxillary lateral incisor, the root is much ___ in proportion to its crown

177
Q

the permanent maxillary lateral incisors may have the presence of a ___ groove. this is a predisposing factor for ___ and ___

A
  • palatoradicular groove (distolingual)
  • periodontal disease and decay
178
Q

the mesial root of the permanent mandibular 1st molar has the greatest ___ dimension of any other tooth

A

buccolingual

179
Q

what is unique about the permanent mandibular lateral incisor’s incisal edge?

A
  • it is not at right angles to a line bisecting the crown and root labiolingually
  • it is twisted distally slightly on the root base
180
Q

about how long does it take for primary dentition to be completed?

181
Q

the mandibular 3rd molar has the greatest distal root ___ of any other tooth

A

inclination

182
Q

the mandibular 3rd molar has the most variation in what?

A

crown morphology

183
Q

the primary mandibular canine’s distal cusp slope is ___ than the mesial cusp slope

A
  • longer
  • this is opposite of the maxillary
184
Q

the roots of the permanent maxillary 2nd molar are not as ___ as those of the 1st molar, and incline more ___

A
  • spread
  • distally
185
Q

the maxillary 3rd molar is the molar that most frequently exhibits how many cusps?

A

3 cusps

this gives it a heart shape

186
Q

the permanent maxillary lateral incisors are ___ than the central in all dimensions except ___

A
  • smaller
  • root length
187
Q

how do the roots of primary molars compare to those of permanent molars?

A
  • they are longer and more slender, and flare more beyond the outline of the crown
  • aka divergent roots and short root trunks
188
Q

on the permanent maxillary canine, what is the name of the bone ridge over the root? what is the function?

A
  • canine eminence
  • cosmetic value
189
Q

the labiolingual measurement of the permanent maxillary canine is ___mm greater than the mesiodistal

190
Q

the permanent mandibular canine has the ___ root length of any mandibular tooth

191
Q

the permanent maxillary first molar is closest in size ___ vs ___ of any maxillary posterior tooth

A

buccolingual vs mesiodistal

192
Q

the size and position of the maxillary 2nd premolar cusps are more ___ than the 1st premolar

193
Q

the permanent mandibular central incisors are the first ___ teeth to erupt in the mouth

A

succedanous

194
Q

the mesial marginal ridge of the mandibular 1st premolar is located more ___ than the distal marginal ridge. because of this, more of the ___ surface can be seen from the mesial.

A
  • cervical
  • occlusal
195
Q

the mesial slope of the permanent maxillary canine is ___ than the distal slope

196
Q

the permanent maxillary central incisors are widest ___ of any of the anterior teeth

A

mesiodistally

Dental Anatomy (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions