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

Related Mcqs:

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 ?

A. 7 years B. 9 years C. 11 years D. 13 years...

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...

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...

Kalu, a 6- years – old child, received tetracycline. Noticeable discoloration will be seen in______________?

A. Premolars, incisors and 1st molars B. Canine and 2nd molars C. Canines, premolars and2nd molars D. Incisors and 1st molars...