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NBDE Part 1 > Oral Anatomy: Anteriors > Flashcards

Oral Anatomy: Anteriors Flashcards

1
Q

Where is the greatest CEJ contour of all teeth?

A

Mesial of max central

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2
Q

T/F: The max central has the longest crown.

A

False

2nd to mand canine

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3
Q

T/F: Max central has the widest M-D of all anterior teeth.

A

True

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4
Q

Which teeth have the narrowest incisal embrasure of all max teeth?

A

Central incisors

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5
Q

How many developmental grooves are on the max central incisor?

A

4

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6
Q

T/F: From the occlusal view of a max central, the F-L dimension is greater than the M-D.

A

False

M-D dimension is greater from the occlusal

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7
Q

T/F: The cingulum of the max central leans slightly distal.

A

True

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8
Q

Which tooth is the least likely to have a divided root canal?

A

Max central incisor

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9
Q

Which is the most common tooth to have a palato-radicular groove?

A

Max lateral incisor

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10
Q

T/F: The max lateral is the most common congenitally missing tooth and variable tooth.

A

False

Third most common

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11
Q

T/F: The occlusal shapes of max centrals and laterals are the both triangular.

A

False

Max central: triangular

Max lateral: oval

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12
Q

Which tooth has the most developed lingual anatomy of anterior teeth?

A

Max lateral incisor

Most prominent cingulum, lingual pit, lingual concave surface

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13
Q

T/F: The root of the max central is longer than the max lateral root.

A

False

Same length

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14
Q

T/F: The max canine is the longest overall tooth, and has the longest cusp.

A

True

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15
Q

T/F: The max canine has a longer crown than the mand canine.

A

False

Third longest crown behind mand canine, and max central

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16
Q

Which anterior tooth is the widest buccal-lingually?

A

Max canine

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17
Q

T/F: The cusp tip of the max canine is centered over the root.

A

True

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18
Q

Which cusp ridge is the longest in the max canine?

A

Distal cusp ridge

19
Q

Which surface of the max canine is the straighter surface?

A

Mesial

20
Q

T/F: From the occlusal view of the max canine, the F-L dimension is greater than the M-D dimension.

A

True

21
Q

Where is the cusp tip located on the max canine from the occlusal view?

A

Slightly M-F

22
Q

T/F: The cingulum of the max canine is centered.

A

True

Prominent lingual ridge separates fossa into mesial and distal lingual fossae

23
Q

The __________ has the longest root in the mouth.

A

max canine

24
Q

Which is the first succedaneous tooth to erupt?

A

Mand central

25
Q

T/F: The incisal edge of the mand central is centered over the long axis.

A

False

Slightly lingual

26
Q

T/F: The F-L dimension of the mand central is greater than the M-L dimension, from the occlusal view.

A

True

27
Q

Which side of the root of a mand central has a deeper depression?

A

Distal

28
Q

T/F: The root of a mand central is longer than a max central.

A

True

29
Q

What is the only anterior tooth to occlude with one tooth?

A

Mand central

30
Q

The ________ is the second smallest tooth after the mand central.

A

mand lateral

31
Q

The crown of a mand lateral is tilted _________.

A

distally

32
Q

T/F: The mand lateral is wider F-L than M-D.

A

True

33
Q

Which tooth has the longest root of all incisors?

A

Mand lateral

34
Q

Which side of the root of a mand lateral has the deepest depression?

A

Mesial

35
Q

Which tooth has the longest crown and is the second longest overall tooth?

A

Mand canine

36
Q

Which tooth has the second longest root after the max canine?

A

Mand canine

37
Q

Which canine has the most prominent facial ridge?

A

Max canine

38
Q

T/F: Like the max canine, the mesial cusp ridge of the mand canine is shorter than the distal cusp ridge.

A

True

39
Q

Which proximal surface of the mand canine is straight?

A

mesial

40
Q

T/F: From the occlusal of the mand canine, the F-L dimension is wider than the M-D dimension.

A

True

41
Q

Which two anterior teeth have a wider M-L dimension than F-L dimension when viewed from the occlusal?

A

Max central and lateral

42
Q

T/F: The cingulum of the mand canine is slightly distal.

A

True

43
Q

Which anterior tooth is most likely to have a bifurcated root?

A

Mand canine

44
Q

The root of which anterior tooth may be mesially inclined?

A

Mand canine

NBDE Part 1 (31 decks)

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