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Dental Anatomy > Premolars > Flashcards

Premolars Flashcards

1
Q

Which max tooth has the most pronounced developmental marginal groove of the maxillary?

A

Max 1st premolar

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2
Q

Which tooth has a mesial concavity making it difficult to adapt a matrix band?

A

Max 1st premolar

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3
Q

Which tooth has a cervical cross section that looks like a kidney bean?

A

Max 1st premolar

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4
Q

Which nonmolar tooth is most likely to have 2-3 roots?

A

Max 1st premolar

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5
Q

What side is the maxillary 1st premolar buccal cusp offset to?

A

distal

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6
Q

Which cusp ridge is longest on the maxillary 1st premolar?

A

Mesio-facial cusp ridge

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7
Q

Which premolar has the steepest cusp inclines?

A

Max 1st premolar

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8
Q

What side is the maxi 1st premolar lingual cusp offset to?

A

Mesial

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9
Q

Which posterior tooth has the greatest cervico occlusal crown height?

A

Max 1st premolar

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10
Q

How do the buccal and lingual cusps compare in height on the maxillary 2nd premolar?

A

same height

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11
Q

Which posterior tooth is the most symmetrical?

A

Max 2nd premolar

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12
Q

Which tooth has a really shot central groove with a lot of supplemental grooves making it look wrinkly?

A

Max 2nd premolar

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13
Q

Which premolar has a unique prominent triangular ridge with no central groove? and fossa on the side of the tri ridge that look like snake eyes?

A

Mand 1st premolar

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14
Q

Which side of tooth 21 does the developmental groove originate from?

A

Mesiolingual

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15
Q

What’s special about the mesiolingual groove of the mand 1st premolar?

A

It’s the only tooth that has it

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16
Q

What’s different about the mesial marginal ridge vs distal marginal ridge on the mand 1st premolar?

A

Mesial: it’s got a developmental groove that makes it run at 45 degrees.
Distal: no groove and more coronal than the mesial.

17
Q

What the shape of the mand 1st premolar from occlusal?

A

diamond shaped

18
Q

Where would a second canal be located for a mand 1st premolar? rarely happens

A

Lingual

19
Q

Which premolar is the only premolar to only have one pulp horn?

A

Mand 1st premolar

20
Q

How high is the lingual cusp of the mand 1st premolar compared to the facial cusp?

A

2/3 the height.

21
Q

Which posterior tooth has most cusp height difference?

A

Mand 1st premolar

22
Q

Which tooth has the narrowest attached gingiva?

A

Mand premolars

23
Q

Which posterior tooth is the smallest facial lingually?

A

Mand 1st premolar

24
Q

Which tooth has the closest dimensions faciolingually and mesiodistally?

A

Mand 1st premolar

25
Q

The occlusal crown outline of the mand 2nd premolar is what shape?
What shape is the occlusal table?

A

Pentagon.

Rectangle.

26
Q

Which premolar is most likely to have a crescent shaped central developmental groove?

A

Mand 2nd premolar

27
Q

What different cusps are on a mandibular premolar Y type ??

A

One facial cusp

2 lingual cusps

28
Q

Which tooth has the same number of occlusal pits as the Y type mandibular 2nd premolar?
How many pits?

A

Max 1st molar

3 pits

29
Q

Which premolar is the only premolar with multiple lingual cusps?

A

Mand 2nd premolar

30
Q

Which premolar is the only premolar with a lingual groove?

A

Mand 2nd premolar

31
Q

Which premolar is the only premolar with a central fossa?

A

Mand 2nd premolar

32
Q

Which premolar most frequently has a single central pit?

A

mand 2nd premolar

33
Q

Which tooth is the most congenitally missing premolar?

A

Mand 2nd premolar

34
Q

Which nonmolar tooth has the sharpest demarcation between pulp chamber and canal?

A

Max. 1st premolar

35
Q

Which premolar is most likely to have bifurcated roots?

A

Max. 1st premolar

36
Q

Which premolar has fossa that are closest in size to any other posterior tooth?

A

Max 2nd premolar

37
Q

Which premolar has a separate mesial and distal pit that aren’t connected by a groove?

A

Mand 1st premolar

38
Q

Where is the shortest interdental papilla located between?

A

Mand 2nd premolar and 1st Molar

39
Q

Where do the maxillary lingual cusps of Premolars occlude in?

A

The distal fossa of the opposite Premolar (1st premolar to 1st premolar fossa)

Dental Anatomy (6 decks)

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