Question

Explain arrangement of human teeth.

Answer 1

The teeth of the human body are the toughest substances. In addition to being important for chewing, teeth play a significant role in voice.

Complete Answer:
In humans, a total of 32 teeth are present. Basically, there are four kinds of incisors, premolars, canines, and molars. Each tooth is positioned at a specific position and has a specific role. The upper jaw (maxilla) or the lower jaw (mandible) are found in each tooth and are surrounded by gums.
-Diphyodont is humans.
- They have got 2 sets of teeth.
- The first group is known as milk teeth. Permanent teeth are considered the second collection.
-For primary teeth, the dental formula is $\dfrac{2102}{2102}$ In all, there can be 20 teeth in the group.
-In the upper and lower jaws, there are 2 lateral incisors, 2 canines, 2 central incisors, and 4 molars. For permanent teeth, the dental formula is $\dfrac{2123}{2123}$
-In all, there are 32 teeth in the group.
- The teeth structure in the upper and lower jaws is 2 lateral incisors, 2 central incisors, 4 premolars, 2 canines, and 6 molars respectively.

Note: Incisors are 8 in total. The middle of the upper and lower jaws with four teeth. There are 4 Canines found just beyond the incisors, the pointing teeth. 8 Premolars are found in the human jaw which separates molars and canines. 8 Molars are found at the back of the mouth, great for food grinding.