Book Questions Flashcards
(125 cards)
1
Q
What class of teeth is present in the permanent dentition that is NOT present in the primary dentition?
a. Incisors
b. Canines
c. Premolars
d. Molars
A
c. Premolars
2
Q
In a permanent dentition, the fifth tooth from the midline is a a. Canine b. Premolar c. Molar d. Incisor
A
b. Premolar
3
Q
Posterior teeth in the permanent dentition include which of the following? a. Premolars only b. Molars only c. Premolars and molars only d. Canines, premolars, and molars
A
c. Premolars and molars only
4
Q
Which permanent tooth erupts into the space
previously held by the primary second molar?
a. First molar
b. Second molar
c. First premolar
d. Second premolar
A
d. Second premolar
5
Q
If you read an article in a British dental journal that refers to tooth No. 48, you would suspect that the authors were using the International Numbering System. What universal number (or letter) would they be talking about?
a. 25
b. J
c. 30
d. T
e. 32
A
e. 32
6
Q
Using the Universal Numbering System, what numbers are used to identify maxillary canines?
a. 6
b. 8
c. 10
d. 11
e. 27
A
a. 6
d. 11
7
Q
Which tooth junctions are NOT normally visible on a handheld intact tooth?
a. Cementoenamel junction
b. Dentinoenamel junction
c. Dentinocemental junction
d. Dentinopulpal junction
A
b. Dentinoenamel junction
c. Dentinocemental junction
d. Dentinopulpal junction
8
Q
Which statement(s) is (are) likely to be true on a person with a barely erupted tooth No. 9?
a. The clinical crown is larger than the
anatomic crown
b. The clinical crown is smaller than the
anatomic crown
c. The clinical root is larger than the anatomic
root
d. The clinical root is smaller than the anatomic
root
A
b. The clinical crown is smaller than the
anatomic crown
c. The clinical root is larger than the anatomic
root
9
Q
Which tooth surface(s) face(s) the lips or cheeks?
a. Facial
b. Distal
c. Buccal
d. Occlusal
e. Labial
A
a. Facial
c. Buccal
e. Labial
10
Q
Which pairs of teeth have a mesial surface touching a mesial surface? a. 25 and 26 b. 16 and 17 c. 7 and 8 d. 1 and 32 e. 8 and 9
A
e. 8 and 9
11
Q
When viewing tooth No. 8 from the distal view, it can be divided into thirds from the incisal to the cervical and from the facial to the lingual. Which third is NOT possible to see from the distal view?
a. Facial
b. Cervical
c. Middle
d. Mesial
e. Incisal
A
d. Mesial
12
Q
If you were observing the faciolingual dimension of a tooth, what surface(s) could you be viewing?
a. Mesial
b. Occlusal
c. Proximal
d. Labial
e. Distal
A
a. Mesial
b. Occlusal
c. Proximal
e. Distal
13
Q
If the root-to-crown ratio of a maxillary molar (No. 14) is 1.72 and that of another molar, No. 16, is 1.49, which tooth has the longest root relative to its shorter crown?
a. No. 14
b. No. 16
c. More information is required in order to
answer this question
A
a. No. 14
14
Q
Which of the following bumps or ridges is NOT likely to be found on a maxillary premolar?
a. Oblique ridge
b. Cingulum
c. Mesial marginal ridge
d. Transverse ridge
e. Triangular ridge
A
a. Oblique ridge
b. Cingulum
15
Q
Which ridges surround the perimeter of the
occlusal surface (occlusal table) of a two-cusped premolar?
a. Mesial marginal ridge
b. Distal marginal ridge
c. Mesial cusp ridge of the buccal cusp
d. Distal cusp ridge of the lingual cusp
e. Transverse ridge
A
a. Mesial marginal ridge
b. Distal marginal ridge
c. Mesial cusp ridge of the buccal cusp
d. Distal cusp ridge of the lingual cusp
16
Q
What is the correct order of anatomic landmarks of a tooth with two roots from the cementoenamel junction to the root tip?
a. Cervix, trunk, furcation, apex
b. Trunk, cervix, furcation, apex
c. Trunk, furcation, cervix, apex
d. Cervix, trunk, apex, furcation
e. Furcation, trunk, cervix, apex
A
a. Cervix, trunk, furcation, apex
17
Q
When viewed from the proximal views, what is the location of the greatest bulge (crest of curvature or height of contour) on the facial surface of all teeth?
a. Occlusal third
b. Lingual third
c. Buccal third
d. Middle third
e. Cervical third
A
e. Cervical third
18
Q
Which space(s) contain(s) the part of the gingiva known as the interdental papilla?
a. The buccal embrasure
b. Occlusal embrasure
c. Lingual embrasure
d. Cervical embrasure
e. Interproximal space
A
d. Cervical embrasure
e. Interproximal space
19
Q
Ideal class I occlusion involves an important
first permanent molar relationship where the
mesiobuccal cusp of the maxillary first molar is located within the
a. Mesiobuccal groove of the mandibular first molar
b. Distobuccal groove of the mandibular first
molar
c. Buccal groove of the mandibular second
molar
d. Mesiobuccal groove of the mandibular
second molar
e. Distobuccal groove of the mandibular
second molar
A
a. Mesiobuccal groove of the mandibular first molar
20
Q
Where do lingual cusps of maxillary teeth occlude in ideal class I occlusion?
a. In the buccal embrasure space between
mandibular teeth
b. In the lingual embrasure space between
mandibular teeth
c. In occlusal fossae of mandibular teeth
A
c. In occlusal fossae of mandibular teeth
21
Q
How many developmental lobes form a premolar with two cusps (one buccal cusp and one lingual cusp)?
a. 1
b. 2
c. 3
d. 4
e. 5
A
d. 4
22
Q
Mesiodistal dimension of the crown is larger than the labiolingual dimension.
Select the letter(s) of the permanent incisor(s) that normally exhibit(s) that
trait. More than one answer may apply.
a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor
A
a. Maxillary central incisor
b. Maxillary lateral incisor
23
Q
The incisal ridge exhibits a distolingual twist.
Select the letter(s) of the permanent incisor(s) that normally exhibit(s) that
trait. More than one answer may apply.
a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor
A
a. Maxillary central incisor
d. Mandibular lateral incisor
24
Q
The root is very narrow mesiodistally with mesial and distal root depressions.
Select the letter(s) of the permanent incisor(s) that normally exhibit(s) that
trait. More than one answer may apply.
a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor
A
c. Mandibular central incisor
d. Mandibular lateral incisor
25
The incisal edge is positioned more to the lingual of the root axis line.
Select the letter(s) of the permanent incisor(s) that normally exhibit(s) that
trait. More than one answer may apply.
a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor
c. Mandibular central incisor
| d. Mandibular lateral incisor
26
The distal proximal height of contour is more cervical than the mesial height of contour.
Select the letter(s) of the permanent incisor(s) that normally exhibit(s) that
trait. More than one answer may apply.
a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor
a. Maxillary central incisor
b. Maxillary lateral incisor
d. Mandibular lateral incisor
27
This tooth has the widest (mesiodistally) incisor crown.
Select the letter(s) of the permanent incisor(s) that normally exhibit(s) that
trait. More than one answer may apply.
a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor
a. Maxillary central incisor
28
This tooth has the shortest root relative to its crown.
Select the letter(s) of the permanent incisor(s) that normally exhibit(s) that
trait. More than one answer may apply.
a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor
a. Maxillary central incisor
29
This tooth is the most symmetrical incisor.
Select the letter(s) of the permanent incisor(s) that normally exhibit(s) that
trait. More than one answer may apply.
a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor
c. Mandibular central incisor
30
This tooth has the largest curvature of the mesial cervical line.
Select the letter(s) of the permanent incisor(s) that normally exhibit(s) that
trait. More than one answer may apply.
a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor
a. Maxillary central incisor
31
This tooth has the narrowest incisor crown (mesiodistally).
Select the letter(s) of the permanent incisor(s) that normally exhibit(s) that
trait. More than one answer may apply.
a. Maxillary central incisor
b. Maxillary lateral incisor
c. Mandibular central incisor
d. Mandibular lateral incisor
c. Mandibular central incisor
32
This tooth exhibits less cervical line curvature on the distal aspect than on the mesial aspect.
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
d. All of the above
33
The cingulum is centered mesiodistally.
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
b. Maxillary canine
34
There is an almost continuous crown–root outline on the mesial surface of this tooth.
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
c. Mandibular canine
35
The mesial contact area is located more incisally than the distal contact area on the same tooth.
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
d. All of the above
Maxillary central incisor
Maxillary canine
Mandibular canine
36
The cusp tip is positioned lingual to the mid-root axis line from the proximal view.
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
c. Mandibular canine
37
Mamelons could be observed on this tooth.
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
a. Maxillary central incisor
38
On which tooth is the cusp angle most acute?
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
b. Maxillary canine
39
The mesiodistal width of this tooth is greater than its labiolingual width.
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
a. Maxillary central incisor
40
The mesial and distal marginal ridges are aligned more vertically than horizontally on the lingual surface
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
d. All of the above
Maxillary central incisor
Maxillary canine
Mandibular canine
41
The teeth (tooth) develop(s) from four lobes.
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
d. All of the above
Maxillary central incisor
Maxillary canine
Mandibular canine
42
The teeth (tooth) develop(s) from three lobes.
```
Indicate the letter of the best response from the five selections provided.
Each trait has only one best answer.
a. Maxillary central incisor
b. Maxillary canine
c. Mandibular canine
d. All of the above
e. None of the above
```
e. None of the above
43
Mesial cusp ridge of the buccal cusp is longer than the distal cusp ridge.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
a. Maxillary first premolar
44
Has a nonfunctioning lingual cusp.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
c. Mandibular first premolar
45
Two premolars that most frequently have a groove crossing the mesial marginal ridge
or one groove just lingual to it.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
a. Maxillary first premolar
| c. Mandibular first premolar
46
Has a depression in the cervical one third of the mesial side of the crown and root.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
a. Maxillary first premolar
47
Maxillary premolar that has the longer sharper buccal cusp.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
a. Maxillary first premolar
48
Largest maxillary premolar.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
a. Maxillary first premolar
49
Mandibular premolar with the longest and sharpest buccal cusp.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
c. Mandibular first premolar
50
Maxillary premolar that is most symmetrical (occlusal view).
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
b. Maxillary second premolar
51
Two premolars without a central groove.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
c. Mandibular first premolar
| e. Mandibular second premolar (three-cusp type)
52
Crowns tipped lingually with respect to the root axis line (proximal view).
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
(all mandibular premolars)
53
From buccal view, crown is tipped distally from the root axis.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
(all mandibular premolars)
54
Mesial marginal ridge is more cervically located than its distal marginal ridge.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
c. Mandibular first premolar
55
Has no transverse ridge.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
e. Mandibular second premolar (three-cusp type)
56
Has the longer central groove.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
a. Maxillary first premolar
57
Has two major cusps almost the same size and length.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
b. Maxillary second premolar
58
Has a central fossa.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
e. Mandibular second premolar (three-cusp type)
59
Premolars with only two fossae: both are triangular fossae.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
a. Maxillary first premolar
b. Maxillary second premolar
(all maxillary premolars)
60
Has a central fossa and two triangular fossae.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
e. Mandibular second premolar (three-cusp type)
61
Has a lingual groove.
Circle the letter (or letters) of the premolars (if any) that apply.
More than one answer may be correct.
a. Maxillary first premolar
b. Maxillary second premolar
c. Mandibular first premolar
d. Mandibular second premolar (two-cusp type)
e. Mandibular second premolar (three-cusp type)
e. Mandibular second premolar (three-cusp type)
62
What ridges make up the transverse ridge of most premolars?
a. buccal and lingual oblique ridges
b. buccal and lingual triangular ridges
c. mesial and distal marginal ridges
d. buccal and lingual cusp slopes or cusp arms
e. buccal and lingual cervical ridges
b. buccal and lingual triangular ridges
transverse = 2 triangular
63
When viewed from the facial, which of the following permanent teeth has a mesial cusp ridge longer than its distal cusp ridge?
a. maxillary first premolar
b. maxillary second premolar
c. mandibular first premolar
d. mandibular second premoler
e. maxillary canine
a. maxillary first premolar
64
In an ideal Class I occlusion, the maxillary canine opposes (occludes with)
a. the incisal edge of a mandibular lateral incisor
b. both mandibular first and second premolars
c. the distal marginal ridge of a mandibular lateral incisor
d. a mandibular canine and first premolar
e. a mandibular canine and a mandibular lateral incisor
d. a mandibular canine and first premolar
65
Which of the following statements is applicable to both the maxillary first premolar and the mandibular second premolar?
a. one root is present
b. the number of cusps is relatively constant
c. the crown is concave on its mesial surface
d. the root is extremely concave on the mesial surface
e. the lingual cusp is lower in height than the facial cusp
e. the lingual cusp is lower in height than the facial cusp
66
Which of the following permanent premolars has a triangular occlusal table and diamond shape occlusal outline?
a. maxillary first
b. maxillary second
c. mandibular first
d. mandibular second
c. mandibular first
67
When distinguishing a primary maxillary second premolar from a permanent maxillary first molar, only the permanent maxillary first molar _____
a. has a distolingual cusp
b. has roots positioned mesially and distally
c. has a relatively longer root trunk
d. has a more prominent mesiobuccal cervical ridge
e. is likely to have a cusp of Carabelli
c. has a relatively longer root trunk
68
Which of the following permanent teeth replace primary tooth "A"?
a. 2
b. 4
c. 3
d. 14
b. 4
```
A = primary maxillary right 2nd molar
4 = permanent maxillary right 2nd PREmolar
```
69
According to Palmer System, tooth #48 represents which permanent tooth?
a. mandibular right third molar
b. maxillary left third molar
c. mandibular left central incisor
d. mandibular right central incisor
a. mandibular right third molar
70
Which of the following grooves radiate out from the central fossa in a mandibular second molar?
a. Central
b. Mesiobuccal
c. Distobuccal
d. Lingual
e. Buccal
a. Central
d. Lingual
e. Buccal
71
Which cusp is the largest and longest on a mandibular second molar?
a. Mesiobuccal
b. Distobuccal
c. Mesiolingual
d. Distolingual
e. Distal
c. Mesiolingual
72
Which cusp may be absent on a mandibular first or third molar?
a. Mesiobuccal
b. Distobuccal
c. Mesiolingual
d. Distolingual
e. Distal
When this cusp is absent in question above, which groove(s) would not be present?
a. Buccal
b. Lingual
c. Mesiobuccal
d. Distobuccal
e. Distal
c. Mesiobuccal
d. Distobuccal
73
```
Which fossae are found on a mandibular first
molar?
a. Mesial triangular
b. Distal triangular
c. Buccal
d. Lingual
e. Central
```
a. Mesial triangular
b. Distal triangular
e. Central
(think 19/30: dropping 3 pits to 3 fossae)
74
Which developmental groove connects with the lingual groove running in the same direction on a mandibular second molar?
a. Mesiobuccal
b. Distobuccal
c. Buccal
d. Mesiolingual
e. Distolingual
c. Buccal
75
From which view is only one root visible on a mandibular first molar?
a. Mesial
b. Distal
c. Buccal
d. Lingual
e. Apical
a. Mesial
76
Which root may occasionally be divided or bifurcated on a mandibular first molar?
a. Buccal
b. Lingual
c. Mesial
d. Distal
e. Mesiobuccal
c. Mesial
77
Which cusp triangular ridge does not meet to form a transverse ridge on a five-cusp first molar?
a. Mesiobuccal
b. Distobuccal
c. Mesiolingual
d. Distolingual
e. Distal
e. Distal
78
Which ridges form the boundaries of the mesial triangular fossa of a mandibular molar?
a. Triangular ridge of mesiobuccal cusp
b. Triangular ridge of mesiolingual cusp
c. Meesial marginal ridge
d. Buccal cusp ridge of mesiobuccal cusp
e. Lingual cusp ridge of mesiolingual cusp
a. Triangular ridge of mesiobuccal cusp
b. Triangular ridge of mesiolingual cusp
c. Mesial marginal ridge
MB, ML, MMR
79
Which two pairs of cusp triangular ridges make up or join to form the two transverse ridges on a mandibular
second molar?
mesiobuccal and mesiolingual PLUS distobuccal and distolingual
MB ML, DB DL
80
List in sequential order the longest to shortest cusps on the mandibular first molar.
```
ML
DL
MB
DB
D
```
81
```
Which three grooves radiate out from the central fossa in a maxillary first molar?
a. Central
b. Distolingual
c. Transverse groove of oblique ridge
(when present)
d. Buccal
e. Lingual
```
a. Central
c. Transverse groove of oblique ridge
(when present)
d. Buccal
82
Which cusp on a maxillary first molar has two
ridges: one that forms part of a transverse ridge and the other that forms part of an oblique ridge?
a. Mesiobuccal
b. Mesiolingual
c. Distobuccal
d. Distolingual
e. Cusp of Carabelli
b. Mesiolingual
83
Which cusp is the largest and longest on a maxillary second molar?
a. Mesiobuccal
b. Mesiolingual
c. Distobuccal
d. Distolingual
e. Cusp of Carabelli
b. Mesiolingual
84
Which cusp is most likely to be absent on a maxillary second molar?
a. Mesiobuccal
b. Mesiolingual
c. Distobuccal
d. Distolingual
e. Distal
When the cusp is absent in question above, which groove(s) would not be present?
a. Central
b. Buccal
c. Distal oblique
d. Lingual
cusp absent:
d. Distolingual
grooves absent:
c. Distal oblique
d. Lingual
85
Of the four fossae on a maxillary first molar, which is the largest?
a. Mesial triangular
b. Distal triangular
c. Central
d. Distal
c. Central
86
From which view are only two roots visible on a maxillary first molar?
a. Mesial
b. Distal
c. Buccal
d. Lingual
a. Mesial
87
Which grooves are likely to radiate out of the mesial triangular fossa on the maxillary first molar?
a. Mesiobuccal fossa groove
b. Mesiolingual fossa groove
c. Mesial marginal ridge groove (when present)
d. Central
e. Buccal
a. Mesiobuccal fossa groove
b. Mesiolingual fossa groove
c. Mesial marginal ridge groove (when present)
d. Central
88
Which two cusps have the ridges that make up or join to form the oblique ridge on a maxillary molar?
a. Mesiobuccal
b. Distobuccal
c. Mesiolingual
d. Distolingual
e. Cusp of Carabelli
b. Distobuccal
| c. Mesiolingual
89
Which two cusps have a triangular ridge that make up or join to form a transverse (not oblique) ridge on most maxillary molars?
a. Mesiobuccal
b. Distobuccal
c. Mesiolingual
d. Distolingual
e. Cusp of Carabelli
a. Mesiobuccal
| c. Mesiolingual
90
List in sequential order the largest to smallest cusp area on the maxillary first molar (occlusal view).
mesiolingual, mesiobuccal, distobuccal, distolingual, cusp of Carabelli (if even present)
ML > MB > DB > DL > Carabelli (if present)
91
```
Which primary teeth have crowns that are
wider mesiodistally than they are long inciso- or occluso-cervically?
a. Maxillary central incisor
b. Maxillary first molar
c. Mandibular lateral incisor
d. Mandibular first molar
e. Mandibular canine
```
a. Maxillary central incisor
b. Maxillary first molar
d. Mandibular first molar
92
Which one tooth is adjacent and distal to the primary maxillary second molar in a 7-year-old?
a. Maxillary first premolar
b. Maxillary second premolar
c. Secondary maxillary first molar
d. Secondary maxillary second molar
e. Primary maxillary first molar
c. Secondary maxillary first molar
93
How many teeth should be visible in the mouth of a 3-year-old?
a. None
b. 10
c. 20
d. 24
e. 28
c. 20
94
```
How many teeth should be present in the mouth
of a 13-year-old?
a. 10
b. 20
c. 24
d. 28
e. 32
```
d. 28
95
Which primary molar most resembles a secondary maxillary right first molar?
a. Tooth A
b. Tooth E
c. Tooth F
d. Tooth T
e. Tooth B
a. Tooth A
96
What would you estimate to be the dental age of a child with the following teeth: all primary maxillary incisors, canines, and molars; secondary mandibular incisors and first molars.
a. 2 to 4 years
b. 5 to 7 years
c. 8 to 9 years
d. 10 to 11 years
e. Over 12 years
b. 5 to 7 years
97
Which teeth (primary or secondary) have the
mesial proximal contact positioned more cervically than the distal proximal contact?
a. Mandibular first premolar
b. Maxillary first premolar
c. Primary maxillary canine
d. Primary mandibular canine
e. Mandibular second premolar
a. Mandibular first premolar
| c. Primary maxillary canine
98
Which teeth (secondary or primary) have the
mesial cusp ridge of the facial cusp longer than the distal cusp ridge of the facial cusp?
a. Mandibular first premolar
b. Maxillary first premolar
c. Primary maxillary canine
d. Primary mandibular canine
e. Mandibular second premolar
b. Maxillary first premolar
| c. Primary maxillary canine
99
Which succedaneous tooth erupts beneath tooth J?
a. No. 1
b. No. 5
c. No. 10
d. No. 13
e. No. 16
d. No. 13
100
Which of the following traits can be used to
differentiate primary teeth from secondary teeth?
a. Primary teeth have greater facial cervical
bulges.
b. Primary teeth have relatively thinner and
longer roots.
c. Primary teeth are whiter.
d. Primary anterior teeth are larger than their
successors.
e. Primary teeth have relatively larger pulps.
a. Primary teeth have greater facial cervical
bulges.
b. Primary teeth have relatively thinner and
longer roots.
c. Primary teeth are whiter.
e. Primary teeth have relatively larger pulps.
101
Which of the following secondary teeth would you expect to be erupted in the average 9- to 10-year-old?
a. Maxillary lateral incisor
b. Maxillary central incisor
c. Mandibular canine
d. Maxillary canine
e. Mandibular second molar
a. Maxillary lateral incisor
b. Maxillary central incisor
c. Mandibular canine
102
Which traits apply to a primary mandibular first molar?
a. Its roots are resorbed by the eruption of the 6-year mandibular first molar.
b. It resembles a mandibular 6-year first molar.
c. It has a prominent buccal cervical bulge.
d. It has a prominent mesial marginal ridge.
e. It has a prominent transverse ridge.
f. It has an occlusal table larger in the mesial
half than in the distal half.
c. It has a prominent buccal cervical bulge.
d. It has a prominent mesial marginal ridge.
e. It has a prominent transverse ridge.
103
Which teeth are NOT likely to have root depressions on both the mesial and distal surfaces of the root?
a. Maxillary central and lateral incisor
b. Maxillary canine
c. Maxillary second premolar
d. Mandibular second premolar
a. Maxillary central and lateral incisor
| d. Mandibular second premolar
104
Maxillary anterior teeth are most likely to have how many root canals?
a. One
b. Two
c. Three
d. One or two
a. One
105
```
Maxillary first molars are most likely to have
_____ roots and _____ root canals?
a. Two, two
b. Two, three
c. Two, four
d. Three, three
e. Three, four
```
e. Three, four
106
The one premolar most likely to have two roots (and two root canals) is the
a. Maxillary first premolar.
b. Maxillary second premolar.
c. Mandibular first premolar.
d. Mandibular second premolar.
a. Maxillary first premolar.
107
```
The two roots of a maxillary first premolar are
called
a. Mesial and lingual.
b. Mesial and distal.
c. Buccal and mesial.
d. Buccal and lingual.
e. Mesiobuccal and distobuccal.
```
d. Buccal and lingual.
108
On a tooth with severe bone loss due to periodontal disease, a probe can access the root furcation of a maxillary first molar on which of the following surfaces?
a. Buccal surface
b. Lingual surface
c. Mesial surface
d. Distal surface
a. Buccal surface
c. Mesial surface
d. Distal surface
109
Which of the following descriptors does not apply to normal, healthy gingiva?
a. Coral pink or pink with masking melanin
b. Resilient
c. Stippled
d. Spongy
e. Knife edged in profile
d. Spongy
110
Which of the following locations is likely to have a
root furcation?
a. Buccal of the root of the maxillary molar
b. Buccal of the root of the mandibular molar
c. Mesial of the root of a maxillary molar
d. Distal of the root of a mandibular molar
e. Lingual of the root of a mandibular molar
a. Buccal of the root of the maxillary molar
b. Buccal of the root of the mandibular molar
c. Mesial of the root of a maxillary molar
e. Lingual of the root of a mandibular molar
111
```
Which maxillary tooth has its furcation closest
to the cervical line of the tooth (only one correct
answer)?
a. First premolar
b. Second premolar
c. First molar
d. Second molar
e. Third molar
```
c. First molar
112
```
Which of the following periodontal fibers attach to
cementum and alveolar bone?
a. Horizontal
b. Oblique
c. Transseptal
d. Apical
e. Alveolar crest
```
a. Horizontal
b. Oblique
d. Apical
e. Alveolar crest
113
```
Which of the following are likely indications of
periodontal disease?
a. Bleeding gums
b. Loss of bone
c. Category 3 mobility
d. Mucogingival stress
e. Gingival sulcus readings of 3 mm
```
a. Bleeding gums
b. Loss of bone
c. Category 3 mobility
d. Mucogingival stress
114
```
The furcations are likely to be farthest away from
the cervical portion of the tooth in which ONE of
the following teeth?
a. Mandibular first molar
b. Mandibular second molar
c. Mandibular third molar
d. Maxillary first molar
e. Maxillary second molar
```
c. Mandibular third molar
115
What is the clinical attachment loss of a tooth with
+2 mm of gingival recession and a 4 mm pocket?
(There is only one correct answer.)
a. +2 mm
b. +6 mm
c. 6 mm
d. 2 mm
b. +6 mm
116
```
Which of the following is (are) considered as root
anomalies?
a. Furcation
b. Cingulum
c. Radicular palatal groove
d. Occlusal fissure
```
c. Radicular palatal groove
117
What phrase best defines a pseudopocket?
a. Gingival margin is located coronal to the CEJ
b. Gingival margin is located apical to the CEJ
c. The distance between the gingival margin
and CEJ
d. The distance between the gingival margin
and furcation
a. Gingival margin is located coronal to the CEJ
118
```
What is (are) included into nonsurgical
periodontal therapy?
a. Scaling
b. Root planing
c. Oral hygiene instructions
d. Application of local antibiotic agents
```
a. Scaling
b. Root planing
c. Oral hygiene instructions
d. Application of local antibiotic agents
119
```
Which of the following may occur with clinical
attachment loss?
a. Loss of bone
b. Exposed root surface
c. Furcation involvement
d. Exposed root concavities
e. All of the above
```
e. All of the above
120
```
In the maximum intercuspal position (MIP),
which two teeth occlude with the maxillary first
premolar?
a. Mandibular canine and first premolar
b. Mandibular first premolar and second
premolar
c. Mandibular second premolar and first
molar
```
b. Mandibular first premolar and second
| premolar
121
In MIP, which two teeth occlude with the
mandibular second molar?
a. Maxillary first premolar and second premolar
b. Maxillary second premolar and first molar
c. Maxillary first molar and second molar
c. Maxillary first molar and second molar
122
Which two teeth would occlude with the incisal
edge of the right mandibular lateral incisor during
protrusion of the mandible?
a. Maxillary right central incisor and left central
incisor
b. Maxillary right central incisor and right lateral
incisor
c. Maxillary right lateral incisor and canine
d. Maxillary right canine and first premolar
b. Maxillary right central incisor and right lateral
| incisor
123
In MIP, with what landmark would the lingual
cusp of the maxillary second premolar occlude?
a. The mesial marginal ridge of the mandibular
second premolar
b. The mesial fossa of the mandibular second
premolar
c. The distal marginal ridge of the mandibular
second premolar
d. The mesial fossa of the mandibular first molar
c. The distal marginal ridge of the mandibular
| second premolar
124
If this person did not have class I occlusion but
had class II occlusion (where the mandible was
positioned one full tooth distal to its class I position),
which tooth or teeth would contact the
maxillary second premolar?
a. Mandibular canine and first premolar
b. Mandibular first premolar and second premolar
c. Mandibular second premolar only
d. Mandibular second premolar and first
molar
e. Mandibular first molar only
b. Mandibular first premolar and second premolar
125
6. If this person did not have class I occlusion but
had class III occlusion (where the mandible was
positioned one full tooth mesial to its class I position),
which tooth or teeth would contact the
maxillary second premolar?
a. Mandibular canine and first premolar
b. Mandibular first premolar and second premolar
c. Mandibular second premolar only
d. Mandibular second premolar and first
molar
e. Mandibular first molar only
e. Mandibular first molar only
