Chp 3/4 Flashcards
1
Q
what premolar has the largest transverse ridge
A
MAND. 1st Premolar
2
Q
Which premolar has a nonfuctional lingual cusp
A
MAND. 1st Premolar
3
Q
Which premolar has a Y groove
A
MAND. 2nd Premolar 3 Cusp
4
Q
Which premolar is widest Mesiodistally?
A
2nd premolar
5
Q
Which maxillary premolar has the longer groove
A
1st premolar
6
Q
Which premolar has a mesiolingual groove?
A
1st Max premolar
7
Q
Which premolar has a diamond shape?
A
Mand 1st premolar
8
Q
Which premolar has a H or U shape?
A
Mand 2nd premolar 2 cusp
9
Q
Which has the deepest lingual fossa on the root?
A
Maxillary Canine
10
Q
Which canine’s mesial slope is more horizontal?
A
mandibular
11
Q
What does the wear faucet look like on a canine
A
diamond
12
Q
What makes up a transverse ridge
A
2 triangular ridges
Distal developmental grooves
Distal marginal ridge
Distal fossa
13
Q
Function of canines
A
tearing food
14
Q
Which are the longest tooth in each arch
A
canine
15
Q
Which canine has a longer crown
A
Mandibular
16
Q
The deepest concavity on the canine root is called
A
the distal lingual fossa
17
Q
What shape is the entire lingual outline of a canine
A
S shaped
18
Q
Which teeth have a prominent labial ridge
A
canine
19
Q
Are canines wider labiolingually or mesiodistally?
A
labiolingually
20
Q
Which canine is narrower mesiodistally
A
Mand
21
Q
On the maxillary canine which cusp ridge is shorter
A
mesial
22
Q
Mesial contact area of maxillary canine
A
incisal and middle third
23
Q
Which tooth is the longest and has the longest root
A
max canine
24
Q
Longest tooth in mandible
A
mand canine
25
Lonest crown in the mouth
mand canine
26
Which canines cusps ridge is more horizontal
mand canine
27
Which canine is more prominent lingually (lingual ridge)
max canine
28
Which canines cingulum is more centered
maxillary
29
Which canines cingulum is more distal
mandible
30
Which canines lingually have elevated marginal mesial and distal ridges
max
31
Which canine has a more prominent prominent cingulum
Max
32
Which canine has a cusp tip that appears thicker faciolingually
max
33
Which canine has incisal wear more lingually
canine
34
Is the depression on the canine root larger mesialally and distally
distal
35
Which canine has to a more asymmetrical outline
Maxillary
36
Which canine has an incisal edge with the distal lingual twist
Mandibular
37
Which canine has the distal half of the crown pinched
Maxillary
38
Which premolar has a mesial cusp ridge of the buccal cusp longer than distal
Maxillary first premolar
39
Which premolar has a mesial cusp ridge longer than distal
Maxillary 1st
40
Which maxillary premolar has a depression more common mesial to the buccal ridge
Max 1st premolars
41
Where is the contact point mesially on the maxillary premolars
More occlusal
42
Which maxillary premolars has bulging shoulders
Maxillaryy 1st
43
Which maxillary premolars have a depression more common distal to the buccal ridge
Maxillary 2nd premolars
44
Which maxillary premolar has a crown that tapers towards the lingual
1st maxillary premolars
45
Which maxillary premolars has a mesial cusp ridge shorter than distal
Maxillary 2nd premolars
46
Which maxillary premolar has two roots
1st maxillary
47
Which maxillary premolar typically has a buccal cusp that is longer than the lingual
1st maxillary premolars
48
Which maxillary premolar has a pronounced mesial crown depression
1st
49
Which maxillary premolar always has a mesial marginal ridge groove
Maxillary 1st premolar
50
Which mandibular premolar has a mesial crown outline that is more concave or flat
Mand 1st
51
Where does the
| maxillary first premolar/second premolar and mandibular first premolar mesial surface contact
Middle third
52
Which tooth has a severe lingual crown tilt
Mandibular first
53
The mesial contact area is located more incisally than is the distal contact area on the same tooth.
mandibular and maxillary canine
54
Which type of premolar is most likely to have separate mesial and distal pits with a pronounced transverse ridge but without a distinct central groove (so carious pits are often restored separately)?
Mandibular first premolar
55
When viewed from the proximal, which teeth are more likely to exhibit a lingual tilt of the crown relative to the root?
Mandibular premolars
56
Which premolar is most likely to have three cusps?
Mandibular second premolar
57
Which anterior tooth has a mesial cusp slope that is more nearly horizontal?
Mandibular canine
58
Which premolar has two major cusps almost the same size and length?
Maxillary second premolar
59
A depression found on the lingual surface of a canine bounded by the lingual ridge, distal cusp ridge, distal marginal ridge, and distal third of the cingulum is called a _____ ______.
distolingual fossa
60
The cingulum is centered mesiodistally.
all premolars
61
The __________ ridges and the __________ ridges make up the exterior boundary of the occlusal table.
cusp; marginal
62
If a mandibular second premolar has three cusps, what are they called?
Mesiolingual, distolingual, and buccal
63
When considering all premolars, which cusp is least developed?
Lingual cusp of the mandibular first premolar
64
When holding an extracted maxillary and mandibular canine from the same mouth, which characteristic(s) can be used to distinguish the maxillary canine?
The cusp of the maxillary canine is more pointed
65
The transverse ridge extends as a continuous elevation in a buccolingual direction to unite the ______ ______ of the buccal and lingual cusps of a mandibular first premolar.
Triangular ridges
66
Which of the following teeth is most likely to have a central fossa and a lingual groove?
Mandibular second premolar
67
Which posterior tooth is MOST likely to have a mesial longitudinal root depression more prominent than the distal root depression?
Maxillary first premolar
68
Which premolar (if any) normally has the mesial cusp ridge of its buccal cusp longer than the distal cusp ridge?
Maxillary first premolar
69
The crown of the permanent maxillary canine is ________the crown of the permanent mandibular canine.
shorter than
70
When viewed from the facial, what is the geometric shape of a premolar?
Pentagon shaped
71
Which premolar (if any) is most likely to have three cusps: one buccal and two lingual?
Mandibular second premolar
72
A Y-shaped occlusal groove pattern is characteristic of a:
Mandibular second premolar
73
One permanent premolar has a pronounced concavity on the cervical part of the crown. Which premolar and which surface is this?
Mesial surface of the maxillary first premolar
74
Which statement is NOT true when describing a mandibular canine?
The cingulum and marginal ridges are prominent compared to maxillary canines.
75
The mesial contact of the crown of the maxillary canine is located in the _____ of the crown.
junction of the incisal and middle thirds
76
Compared to a maxillary first premolar, a maxillary second premolar is most likely to exhibit:
A shorter central groove
77
Which premolar has a central fossa and two triangular fossae.
Mandibular second premolar ( three-cusp type )
78
Where is the mesial contact of the permanent mandibular canine located?
Incisal third
79
From the proximal view, which premolar most closely resembles a canine?
Mandibular first premolar
80
The only single-rooted tooth to have three cusps is the _______ ______ ______.
mandibular second premolar
81
On an unworn permanent canine (maxillary or mandibular), the distal cusp ridge is slightly__________ than the mesial cusp ridge.
longer
82
The distal contact area of the maxillary canine is located in the ____ of the crown.
center of the middle third
83
When the maxillary first premolar has more than one root, which description applies?
There are most often two roots: a facial and a lingual.
84
Two premolars that most frequently have a groove crossing the mesial marginal ridge or one groove just lingual to it.
Maxillary first premolar
| Mandibular first premolar
85
Which tooth is most likely to have two roots?
Maxillary first premolar
86
Which of the following roots is, on average, the longest?
Root of a maxillary canine
87
Which is the largest maxillary premolar.
Maxillary first premolar
88
The mandibular second premolar often exhibits a linear depression extending lingually from the central pit, separating the two lingual cuspsAns: This linear depression is known as the _______ ______.
Lingual groove
89
With the long axis of the tooth vertical, which ridge is most nearly horizontal?
The mesial cusp ridge of the mandibular canine
90
Which premolar has a nonfunctional lingual cusp?
Mandibular first premolar
91
has a depression in the cervical one third of the mesial side of the crown and root
maxillary first premolar
92
Maxillary premolar that has the longer sharper buccal cusp
Maxilary first premolar
93
Which maxillary premolar is more symmetrical (occlusalO
Maxillary second premolar
94
Two premolars without central grooves
Mandibular first
| Mandibular 3 cusp
95
Mesial marginal ridge is lower than its distal marginal ridge
Mandibular first premolar
96
Has no transverse ridge
Mandibular 3 cusp
97
Has longer central groove
Maxillary first premolar
98
Premolars with only 2 fossa, both triangular
Maxillary First and Second premolar
| Mandibular Second premolar
99
Which has a lingual groove
Mandibular 3 cusp
100
Contact points Canine and Premolars
Max- I/M M
Mand-I I/M
Max- M M
Mand 1- M O
Mand 2- O/M M
101
From the proximal view canine crowns are what shape
triangular, or wedge
102
Longest tooth in the mouth
Maxillary canine
103
which canine has a longer crown
Mandibular canine
104
On maxillary and mandibular canines which ridge is shorter. Mesial or Distal?
mesial
105
Only teeth with a labial ridge
canines
106
What ridge do premolars have
buccal
107
Are canines wider labiolingually or mesiodistally
labiolingually
108
Are mandibular incisors wider labiolingually or mesiodistally
labiolibgually
109
Are maxillary incisors wider labiolingually or mesiodistally
mesiodistally
110
Are canines mesial cusp ridge shorter or longer than distal
mesial cusp ridge shorter
111
maxillary canine cingulum is..... large or small
very large
112
Which tooth has a lingual ridge, mesial fossae and distal fossae
the maxillary canines
113
Which ridge is more prominent in the maxillary canines
mesial
114
Which canine has more prominent features
maxillary
115
Which canine has a cingulum that can be distal
mandibular canine
116
on the canines which ridge is longer
mesial
117
canines
cusp tip labial
cusp tip lingual
maxillary canine- labial cusp tip
| mandibular canine- lingual cusp tip
118
```
Which tooth is
Cingulum more prominent
Cusp tip labial to root axis
Labial height of contour more pronounced
Labial height of contour less cervical
Incisal wear more lingual
Cusp tip thicker faciolingually
Distal root depression is more distinct than mesial
```
maxillary canine
119
```
Which tooth is
Cingulum less prominent
Cusp tip lingual to root axis
Labial height of contour less pronounced
Labial height of contour more cervical
Incisal wear more labial
Cusp tip thinner faciolingually
Distal root depression is more distinct than mesial
```
mandibular canine
120
Which canine has a incisal edge with a distoligual twist
mandibular canine
