Dental Formula

Q.

Explain the terms Thecodont and Diphyodont.

Q. The number of teeth that grow twice in human life is

1. 4
2. 12
3. 20
4. 28

Q. The dentition in which each tooth is embedded in a socket of jaw bone is called

Q. A dentist was examining the teeth of a 2 year old and observed that he had only 20 teeth compared to 32 teeth found in adults. Which teeth were absent?

1. Canines
2. Molars
3. Incisors
4. Premolars

Q.

The dental formula of human beings is

1. $\frac{2,0,3,3}{1,0,2,3}$

2. $\frac{2,1,2,3}{2,1,2,3}$

3. $\frac{2,1,2,0}{2,1,2,0}$

4. $\frac{2,1,1,1}{2,1,1,1}$

Q. Which of the following represents the dental formula of man

1. 0.0.3.3
   3.1.3.3
2. 2.0.3.3
   1.0.2.3
3. 2.1.2.3
   2.1.2.3
4. 1.0.0.3
   1.0.0.3

Q. The primary dentition in human differs from permanent dentition in not having one of the following type of teeth:

1. Incisors
2. Canine
3. Premolars
4. Molars

Q. Dental formula for milk teeth is

1. $\frac{2,1,2,3}{2,1,2,3}$
2. $\frac{2,1,2,2}{2,1,2,2}$
3. $\frac{2,1,0,2}{2,1,0,2}$
4. $\frac{3,1,4,3}{3,1,4,3}$