Oral Anatomy MCQs

Page No. 9

Which of the premolars is usually the smallest____________?


aMaxillary first


bMaxillary second


cMandibular first


dMandibular second


View Answer Mandibular first

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


aFacial


bLingual


cDistal


dMesial


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


bMesial inclination of the lingual cusp


cFlattened area beneath the contact on the distal surface


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



The shortest root on a maxillary first molar is_____________?


aMesio – buccal


bDisto – buccal


cLingual


dAll are of equal length


View Answer Disto – buccal

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


aDistal


bMesial


cFacial


dPalatal


View Answer Distal

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


aMaxillary central incisor


bMaxillary lateral incisor


cMandibular central incisor


dMandibular 1st premolar



Number of roots in maxillary 2nd molar is_______________?


a2


b3


c4


d5


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


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


cFacially the cusp tip is placed distal to Bisecting line


dLingually the cervical line slopes mesially



The total number of cingula in each dentition is_______________?


a6


b12


c24


d32


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


bMore pronounced lingual fossa


cThinner incisal ridge


dSharper proximal incisal angles



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