Oral Anatomy Mcqs

Beginning of eruption of permanent tooth starts_____________?

(A) After completion of root

(B) When apical third root is still to be formed

(C) When half of the root is still to be formed

(D) when root formation starts

Submitted By: Ali Uppal


In how many years, the central incisors erupt as permanent teeth ______________?

(A) 8-9 years

(B) 10-12 years

(C) 6-7 years

(D) 17-25 years

Submitted By: Ali Uppal


The teeth that are retained for the longest period of time are__________________?

(A) Maxillary incisors

(B) Maxillary canines

(C) Mandibular incisors

(D) Mandibular canines

(D) B & D

Submitted By: Ali Uppal


The process of exfolitation of primary teeth is between_____________?

(A) Seventh and eight years

(B) Seventh and ninth years

(C) Seventh and tenth years

(D) Seventh and Twelfth years

Submitted By: Ali Uppal


Which of the following is true about calcification of teeth ?

(A) Calcification of primary teeth is almost complete at time of birth

(B) Calcification of all primary teeth and few permanent teeth complete at birth

(C) Calcification of all permanent teeth complete at birth

(D) Calcification of primary teeth starts around birth

Submitted By: Ali Uppal


The first evidence of calcification of primary anterior teeth begins approximately between ______________?

(A) 14 to 17 weeks in utero

(B) 9 to 12 weeks in utero

(C) 6- to 9 weeks in utero

(D) 17 to 20 weeks in utero

Submitted By: Ali Uppal


A new tooth is erupting in the mouth of a one and a half year old child. This tooth is most likely to be a decidous___________?

(A) Maxillary central incisor

(B) Mandibular lateral incisor

(C) Maxillary lateral incisor

(D) Maxillary canine

Submitted By: Ali Uppal


The first macroscopic indication of morphologic development of primary incisors approximately at____________?

(A) 11 weeks in utero

(B) 14 weeks in utero

(C) 16 weeks in utero

(D) 6 weeks in utero

Submitted By: Ali Uppal


The tooth bud for the third molar is initiated at about the age of______________?

(A) 6th month I.U

(B) 1st year of life

(C) 2nd year of life

(D) 8th year of life

Submitted By: Ali Uppal


Maxillary primary cuspid enamel completion takes place at______________?

(A) 6 months in utero

(B) 6 months after birth

(C) 9 months in utero

(D) 9 months after birth

Submitted By: Ali Uppal