Medical MCQs

5099 MCQs  (Page 219 of 510)

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
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
Dentition of humans is_______________?
A. Herbivorous
B. Omnivorous
C. Carnivorous
D. None of the above
At birth the following teeth are calcifying____________?
A. Primary incisors & first molar
B. Primary canines & second molars
C. Permanent canines
D. Permanent 3rd molar
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
A six- year molar begins to calcify at______________?
A. Six months iu
B. At birth
C. 1 years after birth
D. 3 years age
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