The lower jaw (mandible) supports the bottom row of teeth and gives shape to the lower face and chin. This is the bone that moves as the mouth opens and closes. The upper jaw (maxilla) holds the upper teeth, shapes the middle of the face, and supports the nose.

What is considered your jaw?

Your jaw is a set of bones that holds your teeth. It consists of two main parts. The upper part is the maxilla. It doesn't move.

Is the jaw a part of the face?

The lower face region contains the lips, chin, and jaws. In the lower face region, the lips are the most noticeable structures in the area.