Medical MCQs

5099 MCQs  (Page 217 of 510)

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
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
First permanent molars begin to calcify at ______________?
A. 6 months of intra utrerine life
B. At birth
C. Before decidous incisors
D. About 1 year after birth
In anxious parent calls you that her 5- month -old child has still no teeth in his mouth then you should_____________?
A. Call and do radiographic survey
B. Tell her that it is normal at this age
C. Child has retarded growth
D. Systemic problem
The decidous canine emerges______________?
A. Before lateral incisor
B. Before first molar
C. After first molar
D. After second molar
A radiograph of 4- years old child reveals no evidence of calcification of mandibular second pre molar. This indicates______________?
A. It is too early to make final predication
B. The teeth may develop later
C. Primary second molar extracted to allow mesial drifting of permanent first molar
D. The child may never develop premolars