Human beings have 4 types of teeth present in the upper and lower jaw.

1. incisors- incisors are present at the front of the upper and lower jaw. Four in each jaw. There function is biting of food.

2 Canines- canines are present next to incisors. Two in each jaw. There function is tearing and biting of food. They are sharp in nature.

3. Premolars- Premolars are present next to canines and are broad in nature. There are 4 premolars in each jaw. There function is to chewing and grinding of food.

4 Molars- molars are present next to premolars and are broader in nature. There are 6 molars present in each jaw. There function is similar to premolars i.e. cheming and grinding of food.