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Tooth M Midterm > Chp 3/4 > Flashcards

Chp 3/4 Flashcards

1
Q

what premolar has the largest transverse ridge

A

MAND. 1st Premolar

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2
Q

Which premolar has a nonfuctional lingual cusp

A

MAND. 1st Premolar

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3
Q

Which premolar has a Y groove

A

MAND. 2nd Premolar 3 Cusp

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4
Q

Which premolar is widest Mesiodistally?

A

2nd premolar

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5
Q

Which maxillary premolar has the longer groove

A

1st premolar

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6
Q

Which premolar has a mesiolingual groove?

A

1st Max premolar

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7
Q

Which premolar has a diamond shape?

A

Mand 1st premolar

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8
Q

Which premolar has a H or U shape?

A

Mand 2nd premolar 2 cusp

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9
Q

Which has the deepest lingual fossa on the root?

A

Maxillary Canine

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10
Q

Which canine’s mesial slope is more horizontal?

A

mandibular

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11
Q

What does the wear faucet look like on a canine

A

diamond

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12
Q

What makes up a transverse ridge

A

2 triangular ridges
Distal developmental grooves
Distal marginal ridge
Distal fossa

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13
Q

Function of canines

A

tearing food

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14
Q

Which are the longest tooth in each arch

A

canine

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15
Q

Which canine has a longer crown

A

Mandibular

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16
Q

The deepest concavity on the canine root is called

A

the distal lingual fossa

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17
Q

What shape is the entire lingual outline of a canine

A

S shaped

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18
Q

Which teeth have a prominent labial ridge

A

canine

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19
Q

Are canines wider labiolingually or mesiodistally?

A

labiolingually

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20
Q

Which canine is narrower mesiodistally

A

Mand

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21
Q

On the maxillary canine which cusp ridge is shorter

A

mesial

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22
Q

Mesial contact area of maxillary canine

A

incisal and middle third

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23
Q

Which tooth is the longest and has the longest root

A

max canine

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24
Q

Longest tooth in mandible

A

mand canine

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25
Q

Lonest crown in the mouth

A

mand canine

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26
Q

Which canines cusps ridge is more horizontal

A

mand canine

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27
Q

Which canine is more prominent lingually (lingual ridge)

A

max canine

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28
Q

Which canines cingulum is more centered

A

maxillary

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29
Q

Which canines cingulum is more distal

A

mandible

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30
Q

Which canines lingually have elevated marginal mesial and distal ridges

A

max

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31
Q

Which canine has a more prominent prominent cingulum

A

Max

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32
Q

Which canine has a cusp tip that appears thicker faciolingually

A

max

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33
Q

Which canine has incisal wear more lingually

A

canine

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34
Q

Is the depression on the canine root larger mesialally and distally

A

distal

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35
Q

Which canine has to a more asymmetrical outline

A

Maxillary

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36
Q

Which canine has an incisal edge with the distal lingual twist

A

Mandibular

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37
Q

Which canine has the distal half of the crown pinched

A

Maxillary

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38
Q

Which premolar has a mesial cusp ridge of the buccal cusp longer than distal

A

Maxillary first premolar

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39
Q

Which premolar has a mesial cusp ridge longer than distal

A

Maxillary 1st

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40
Q

Which maxillary premolar has a depression more common mesial to the buccal ridge

A

Max 1st premolars

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41
Q

Where is the contact point mesially on the maxillary premolars

A

More occlusal

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42
Q

Which maxillary premolars has bulging shoulders

A

Maxillaryy 1st

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43
Q

Which maxillary premolars have a depression more common distal to the buccal ridge

A

Maxillary 2nd premolars

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44
Q

Which maxillary premolar has a crown that tapers towards the lingual

A

1st maxillary premolars

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45
Q

Which maxillary premolars has a mesial cusp ridge shorter than distal

A

Maxillary 2nd premolars

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46
Q

Which maxillary premolar has two roots

A

1st maxillary

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47
Q

Which maxillary premolar typically has a buccal cusp that is longer than the lingual

A

1st maxillary premolars

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48
Q

Which maxillary premolar has a pronounced mesial crown depression

A

1st

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49
Q

Which maxillary premolar always has a mesial marginal ridge groove

A

Maxillary 1st premolar

50
Q

Which mandibular premolar has a mesial crown outline that is more concave or flat

A

Mand 1st

51
Q

Where does the

maxillary first premolar/second premolar and mandibular first premolar mesial surface contact

A

Middle third

52
Q

Which tooth has a severe lingual crown tilt

A

Mandibular first

53
Q

The mesial contact area is located more incisally than is the distal contact area on the same tooth.

A

mandibular and maxillary canine

54
Q

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)?

A

Mandibular first premolar

55
Q

When viewed from the proximal, which teeth are more likely to exhibit a lingual tilt of the crown relative to the root?

A

Mandibular premolars

56
Q

Which premolar is most likely to have three cusps?

A

Mandibular second premolar

57
Q

Which anterior tooth has a mesial cusp slope that is more nearly horizontal?

A

Mandibular canine

58
Q

Which premolar has two major cusps almost the same size and length?

A

Maxillary second premolar

59
Q

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 _____ ______.

A

distolingual fossa

60
Q

The cingulum is centered mesiodistally.

A

all premolars

61
Q

The __________ ridges and the __________ ridges make up the exterior boundary of the occlusal table.

A

cusp; marginal

62
Q

If a mandibular second premolar has three cusps, what are they called?

A

Mesiolingual, distolingual, and buccal

63
Q

When considering all premolars, which cusp is least developed?

A

Lingual cusp of the mandibular first premolar

64
Q

When holding an extracted maxillary and mandibular canine from the same mouth, which characteristic(s) can be used to distinguish the maxillary canine?

A

The cusp of the maxillary canine is more pointed

65
Q

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.

A

Triangular ridges

66
Q

Which of the following teeth is most likely to have a central fossa and a lingual groove?

A

Mandibular second premolar

67
Q

Which posterior tooth is MOST likely to have a mesial longitudinal root depression more prominent than the distal root depression?

A

Maxillary first premolar

68
Q

Which premolar (if any) normally has the mesial cusp ridge of its buccal cusp longer than the distal cusp ridge?

A

Maxillary first premolar

69
Q

The crown of the permanent maxillary canine is ________the crown of the permanent mandibular canine.

A

shorter than

70
Q

When viewed from the facial, what is the geometric shape of a premolar?

A

Pentagon shaped

71
Q

Which premolar (if any) is most likely to have three cusps: one buccal and two lingual?

A

Mandibular second premolar

72
Q

A Y-shaped occlusal groove pattern is characteristic of a:

A

Mandibular second premolar

73
Q

One permanent premolar has a pronounced concavity on the cervical part of the crown. Which premolar and which surface is this?

A

Mesial surface of the maxillary first premolar

74
Q

Which statement is NOT true when describing a mandibular canine?

A

The cingulum and marginal ridges are prominent compared to maxillary canines.

75
Q

The mesial contact of the crown of the maxillary canine is located in the _____ of the crown.

A

junction of the incisal and middle thirds

76
Q

Compared to a maxillary first premolar, a maxillary second premolar is most likely to exhibit:

A

A shorter central groove

77
Q

Which premolar has a central fossa and two triangular fossae.

A

Mandibular second premolar ( three-cusp type )

78
Q

Where is the mesial contact of the permanent mandibular canine located?

A

Incisal third

79
Q

From the proximal view, which premolar most closely resembles a canine?

A

Mandibular first premolar

80
Q

The only single-rooted tooth to have three cusps is the _______ ______ ______.

A

mandibular second premolar

81
Q

On an unworn permanent canine (maxillary or mandibular), the distal cusp ridge is slightly__________ than the mesial cusp ridge.

A

longer

82
Q

The distal contact area of the maxillary canine is located in the ____ of the crown.

A

center of the middle third

83
Q

When the maxillary first premolar has more than one root, which description applies?

A

There are most often two roots: a facial and a lingual.

84
Q

Two premolars that most frequently have a groove crossing the mesial marginal ridge or one groove just lingual to it.

A

Maxillary first premolar

Mandibular first premolar

85
Q

Which tooth is most likely to have two roots?

A

Maxillary first premolar

86
Q

Which of the following roots is, on average, the longest?

A

Root of a maxillary canine

87
Q

Which is the largest maxillary premolar.

A

Maxillary first premolar

88
Q

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 _______ ______.

A

Lingual groove

89
Q

With the long axis of the tooth vertical, which ridge is most nearly horizontal?

A

The mesial cusp ridge of the mandibular canine

90
Q

Which premolar has a nonfunctional lingual cusp?

A

Mandibular first premolar

91
Q

has a depression in the cervical one third of the mesial side of the crown and root

A

maxillary first premolar

92
Q

Maxillary premolar that has the longer sharper buccal cusp

A

Maxilary first premolar

93
Q

Which maxillary premolar is more symmetrical (occlusalO

A

Maxillary second premolar

94
Q

Two premolars without central grooves

A

Mandibular first

Mandibular 3 cusp

95
Q

Mesial marginal ridge is lower than its distal marginal ridge

A

Mandibular first premolar

96
Q

Has no transverse ridge

A

Mandibular 3 cusp

97
Q

Has longer central groove

A

Maxillary first premolar

98
Q

Premolars with only 2 fossa, both triangular

A

Maxillary First and Second premolar

Mandibular Second premolar

99
Q

Which has a lingual groove

A

Mandibular 3 cusp

100
Q

Contact points Canine and Premolars

A

Max- I/M M
Mand-I I/M

Max- M M

Mand 1- M O
Mand 2- O/M M

101
Q

From the proximal view canine crowns are what shape

A

triangular, or wedge

102
Q

Longest tooth in the mouth

A

Maxillary canine

103
Q

which canine has a longer crown

A

Mandibular canine

104
Q

On maxillary and mandibular canines which ridge is shorter. Mesial or Distal?

A

mesial

105
Q

Only teeth with a labial ridge

A

canines

106
Q

What ridge do premolars have

A

buccal

107
Q

Are canines wider labiolingually or mesiodistally

A

labiolingually

108
Q

Are mandibular incisors wider labiolingually or mesiodistally

A

labiolibgually

109
Q

Are maxillary incisors wider labiolingually or mesiodistally

A

mesiodistally

110
Q

Are canines mesial cusp ridge shorter or longer than distal

A

mesial cusp ridge shorter

111
Q

maxillary canine cingulum is….. large or small

A

very large

112
Q

Which tooth has a lingual ridge, mesial fossae and distal fossae

A

the maxillary canines

113
Q

Which ridge is more prominent in the maxillary canines

A

mesial

114
Q

Which canine has more prominent features

A

maxillary

115
Q

Which canine has a cingulum that can be distal

A

mandibular canine

116
Q

on the canines which ridge is longer

A

mesial

117
Q

canines
cusp tip labial
cusp tip lingual

A

maxillary canine- labial cusp tip

mandibular canine- lingual cusp tip

118
Q 
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
A

maxillary canine

119
Q 
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
A

mandibular canine

120
Q

Which canine has a incisal edge with a distoligual twist

A

mandibular canine

Tooth M Midterm (2 decks)

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