Oral Anatomy MCQs

Page No. 9

Which of the premolars is usually the smallest____________?


aMaxillary first

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bMaxillary second

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cMandibular first

✓


dMandibular second

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View Answer Mandibular first

The most common curvature of the palatal root of maxillary first molar is_____________?


aFacial

✓


bLingual

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cDistal

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dMesial

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View Answer Facial

A distinguishing characteristic of a maxillary first premolar that identifies it as right or left is the________________?


aHeight of the lingual cusp

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bMesial inclination of the lingual cusp

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cFlattened area beneath the contact on the distal surface

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dGreater length of the mesial cusp ridge on the lingual cusp ( AIPG- 98)

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The shortest root on a maxillary first molar is_____________?


aMesio – buccal

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bDisto – buccal

✓


cLingual

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dAll are of equal length

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View Answer Disto – buccal

The root of maxillary lateral incisors if curved is usually in which direction ?


aDistal

✓


bMesial

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cFacial

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dPalatal

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View Answer Distal

The permanent anterior tooth, which is most 20. Commonly atypical , is_____________?


aMaxillary central incisor

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bMaxillary lateral incisor

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cMandibular central incisor

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dMandibular 1st premolar

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Number of roots in maxillary 2nd molar is_______________?


a2

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b3

✓


c4

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d5

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View Answer 3

A maxillary right canine may be distinguished from a maxillary left canine because ____________?


aThe root curves to mesial in the apical 1/3rd

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bThe distal half of canine shows more convexity than the mesical half

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cFacially the cusp tip is placed distal to Bisecting line

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dLingually the cervical line slopes mesially

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The total number of cingula in each dentition is_______________?


a6

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b12

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c24

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d32

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View Answer 12

Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?


aFlattened root

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bMore pronounced lingual fossa

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cThinner incisal ridge

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dSharper proximal incisal angles

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