What is the amount of time required by erupting premolar to move through 1 mm of bone as measured on a bite – wing radigraph ?

Related Mcqs:

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

A. Take less time B. Take more time C. Same time D. Is complete when tooth erupts in oral cavity...

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

A. Only molars B. All teeth except third molars C. 1,2,4,5,6,7 in all quadrants D. 1,2,6 in all quadrants...

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...

The most common sequence of eruption of the permanent maxillary teeth in children is_______________?

A. 1-6-2-3-4-7-5-8 B. 2-3-1-6-7-5-4-8 C. 6-1-2-4-3-5-7-8 D. 6-1-2-3-4-5-7-8...

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...