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.Management Sciences
Category: Calcification and Eruption of Teeth
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
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
The root completion of permanent teeth is achieved after __________ years o eruption?
A. 1-1½
B. 2-3
C. 3-4
D. 4-5
Dentition of humans is_______________?
A. Herbivorous
B. Omnivorous
C. Carnivorous
D. None of the above
A six- year molar begins to calcify at______________?
A. Six months IU
B. At birth
C. 1 years after birth
D. 3 years age
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
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
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
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