Mandibular Incisors Flashcards

1
Q

What are the numbers of the mandibular central incisors?

A

24 and 25

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2
Q

What are the numbers of the mandibular lateral incisors?

A

23 and 26

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3
Q

What is it called when two adjacent teeth contact?

A

interproximal contact

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4
Q

What are the spaces that widen out from the contacts between teeth?

A

embrasures

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5
Q

What are the four embrasures of anterior teeth?

A

insicsal, gingival (cervical), facial, and lingual

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6
Q

Is the incisal or gingival embrasure of anterior teeth bigger?

A

gingival

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7
Q

What are the four embrasures of the posterior teeth?

A

occulusal, gingival (cervical), facial (buccal), and lingual

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8
Q

Is the facial or lingual embrasure of posterior teeth bigger?

A

lingual

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9
Q

what is the smallest tooth in the mouth?

A

mandibular central incisor

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10
Q

shape of mandibular central incisor from the facial view:

A

trapezoidal

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11
Q

characteristics of mesioincisal and distoincisal line angles of mandibular central incisor:

A

sharp, 90 degrees

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12
Q

What is described as the only symmetrical tooth in the mouth?

A

mandibular central incisor

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13
Q

Where are the distal and incisal contacts of the mandibular central incisor?

A

incisal 1/3
-same level

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14
Q

How many roots on a mandibular central incisors?

A

1

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15
Q

Shape of the lingual view of mandibular central incisor:

A

trapezoidal

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16
Q

Is there a cingulum in the mandibular central incisor?

A

yes, but it is not as distinct as in the maxillary incisors

17
Q

What is the shape of the mandibular central incisor from the mesial view?

A

triangular

18
Q

Where is the height of contour on the mesial view of the mandibular central incisor?

A

cervical 1/3

19
Q

Where is the incisal edge compared to the line that bisects the root of the mandibular central incisor?

A

lingually

20
Q

On which side of the mandibular central incisor is the developmental groove greater?

A

on the distal side

21
Q

How many root canals are typically in mandibular central incisors?

A

1

22
Q

What are the root canals called when there are two in mandibular central incisors?

A

facial and lingual

23
Q

What are the mesioincisal and distoincisal line angles of mandibular lateral incisors?

A

mesioincisal- 90 degrees
distoincisal- more rounded

24
Q

Where are the mesial and distal contacts on the mandibular lateral incisors?

A

incisal 1/3

25
Q

Where is the distal end of the mandibular lateral incisor compared to a insical bisecting line?

A

lingually

26
Q

How many roots in a mandibular lateral incisor?

A

1

27
Q

What is the shape of the mandibular lateral incisor root?

A

round/ovoid