Biology: Types of Teeth 

Biology: Teeth 

 

There are 32 permanent teeth in man (2123/2123 - Dental Formula).

These are of four types

• Incisors: (for cutting) four in numbers.
• Canines: (for tearing) two in numbers.
• Premolar: (for grinding) four in numbers.
• Molars: (for grinding) six in numbers.

 

In children, there are 20 teeth, which are temporary in nature (2120/2120 – Dental Formula).

In elephants the tusks are the incisors of upper jaw.

Maximum number of teeth are present in horse and pig.

Hardest part in the body is tooth enamel.

Main bulk of tooth is formed of dentine.