What does the dental formula for permanent teeth means?

The dental formula is a way of representing the number of teeth in each type of dentition. It uses a series of numbers and letters to indicate the number of each type of tooth in each half of the upper and lower jaws.

The permanent dental formula for humans is:

21232

21232

This means that there are 2 incisors, 1 canine, 2 premolars, and 3 molars on each side of the upper and lower jaws. There are a total of 32 permanent teeth.

The primary dental formula for humans is:

2102

2102

This means that there are 2 incisors, 1 canine, and 2 molars on each side of the upper and lower jaws. There are a total of 20 primary teeth.

The dental formula is a useful way to compare the dentitions of different species and to identify abnormalities in tooth development.