Milk teeth--Total no. in human being:: (A) 20, (B) 28, (C) 32, (D) 24
Answer is A. a. 20(Ref: Nelson's 20/e p 1768-1771, Ghai 8/e p 11)Primary dentition comprises of 20 teeth, which begins at 6 months of age and completes by 3 years.