Dental Formula

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

Q. Dental formula of human baby is

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

Q.

The number of molars present in the upper jaw of human beings is

1. four

2. six

3. two

4. one

Q. Which of the following describes human dentition?

1. Pleurodont, Monophyodont, Homodont
2. Thecodont, Diphyodont, Heterodont
3. Thecodont, Diphyodont, Homodont
4. Pleurodont, Diphyodont, Heterodont

Q.

Given the dental formula of human beings.

Q. Teeth of an adult man not present in milk dentition are

1. Molars
2. canines
3. incisors
4. premolars

Q.

Dental formula in human beings is
(a)$\frac{3223}{3223}$ (b) $\frac{2123}{2123}$
(c)$\frac{1232}{1232}$ (d) $\frac{2233}{2233}$

Q. Which one of the following correctly represents the normal adult human dental formula?

1. 2/2, 1/1, 2/2, 3/3
2. 3/3, 1/1, 3/3, 3/3
3. 2/2, 1/1, 3/2, 3/3
4. 3/3, 1/1, 3/2, 1/1

Q. A baby boy aged four years is admitted to play school and passes through a dental check­up. The dentist observed that the boy had twenty teeth. Which type of teeth are most likely to be absent?

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

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. The bulk of the tooth in a mammal is made of _________.

1. Root
2. dentine
3. pulp cavity
4. enamel

Q. Dental formula of human baby is

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

Q.

Identify the correct dental formula of a human child from the options below

1. 

2. 

3. 

4. 

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

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

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

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

Q.

Explain the term thecodont and diphyodont.

Q. Teeth formed only once during life time of humans is

1. incisors
2. canines
3. premolars
4. molars

Q. Whether an adult human can have more than 32 teeth in his mouth ? If so, what is the reason?

Q.

What is meant by dentition? Explain the following terms with respect to the dentition.​

(c) Diphyodont​

Q. In humans, the teeth are
a. with pointed margins forming sharp cutting crowns
b. In multicuspid condition
C. having short crown with deep roots
d. small, seperate and rounded for girdling
MY PROBLEM
Humans molar are in multicuspid condition
They have short crown with deep roots (Brachydont)
They also have small, seperate and rounded for girdling
Answer should be option b, C and d But book Answer is option d WHY?

Q. Fill in the blanks.
The development of two sets of teeth during the lifetime of mammals is called dentition.

Q.

State whether the following statements are true or false:
(ii) Third pair of molar is vestigial in human.

Q.

Identify the correct dental formula of a human child from the options below

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

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

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

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

Q. The number of permanent teeth in an adult human is____

1. 20
2. 32
3. 24
4. 34

Q. The number of permanent teeth in an adult human is____

1. 20
2. 32
3. 24
4. 34

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

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

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. Molars
2. Incisors
3. Canines
4. Premolars

Q. The total number of canine in the dental set of infant is:-

1. $8$
2. $12$
3. $6$
4. $4$

Q.

Given the dental formula of human beings

Q. Which one of the following correctly represents the normal adult human dental formula?

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