Oral Anatomy MCQs

Page No. 18

At birth the following teeth are calcifying____________?


aPrimary incisors & first molar


bPrimary canines & second molars


cPermanent canines


dPermanent 3rd molar



There are two normal children of the same age and sex. In one, all the permanent teeth except the third molars have erupted.In the other,no permanent canines or premolars have erupted. How old are these children ?


a7 years


b9 years


c11 years


d13 years


View Answer 11 years

As compared to permanent tooth , root formation in primary tooth______________?


aTake less time


bTake same time


cSame time


dIs complete when tooth erupts in oral cavity


View Answer Take less time

A six- year molar begins to calcify at______________?


aSix months IU


bAt birth


c1 years after birth


d3 years age


View Answer At birth

Which of the following gives the best description of erupted permanent teeth typically seen in a 9- years old______________?


aonly molars


bAll teeth except third molars


c1,2,4,5,6,7 in all quadrants


d1,2,6 in all quadrants



Growth of all permanent teeth except last molars is completed by___________?


a6 years


b8 years


c12 years


d17 years


View Answer 17 years

The root completion of permanent teeth is achieved after __________ years o eruption?


a1-1½


b2-3


c3-4


d4-5


View Answer 2-3

Before eruption the position of permanent mandibular incisor buds relative to primary incisors is_____________?


aSuperior and facial


bInferior and facial


cSuperior and lingual


dInferior and lingual


View Answer Inferior and lingual

Which of these teeth are highly sturdy and usually the last ones to be lost ?


aFirst molar


bCentral incisors


cCanines


dPremolars


View Answer Canines

In the majority of situations, the first decidous tooth to erupt is the______________?


aMandibular central incisor


bMandibular first molar


cMaxillary central incisor


dMaxillary second molar



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