Ask a Dentist

Q: Can you teach me the parts of the mouth?

Woman's mouth, big open-mouth smile

As an adult, you have approximately 32 teeth. Your dentist sections the mouth into four quadrants - the right and left lower jaw, and the right and left upper jaw. This is done to ensure we know exactly where we’re looking when you have a dental issue.

The following diagram depicts simple parts of the mouth, and shows the four quadrants:

Diagram of the mouth showing people the different teeth, gums, and other tissues. These are separated into four quadrants.


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