The human teeth is composed of 16 upper teeth and 16 lower teeth. They are also divided into four quadrants. This article explains the teeth number and names used in the US and Mexico.
Humans have the following types of teeth: 1 Incisors. Incisors are the sharp teeth at the front of the mouth that bite into food and cut it into smaller pieces. They are flat with a thin edge. 2 Canines. 3 Premolars. 4 Molars.
The human teeth dental chart illustrates the location and roles each tooth plays in performing their jobs of cutting, grinding and crushing food. Teeth differ in size, shape and their placement in the jaws.