Teeth are the elementary part of our digestive system. When food goes inside our mouth with the help of the teeth, we bite the food particles and break them down to smaller particles so that it can be mixed well with the saliva and can even pass the esophagus. Teeth are composed of calcium and are also the hardest part of our body, they are set up on the gums through roots and blood capillaries. It is also subject to decay, if not taken proper care teeth can cause great problems even, which will further lead to digestive and gastric problems are the very basic part of the digestion process will be hampered. One should brush atleast twice a day and use mouthwash and regularly floss in between of the teeth.

There are basically four kinds of teeth which human being possess:

1. Incisors: There are a total of eight incisors, four in the upper jaw and four below they are used basically for cutting leafy things and vegetables.

2. Canines: There are a total four canines, two in each jaw they are used for tearing meat and other tough food items.

3. Molars: There are a total eight molars four in each jaw their job is to grind the food into particles.

4. Pre-Molars: There are a total of eight pre-molars and their functionality matches those of the molars.