+12 What Is A Tmj References. It lets you move your jaw up and down and side to side,. This joint allows a range of of the lower jaw, namely (protrusion/retraction and lateral deviation) and (elevation/depression).

Tmj dysfunction can cause pain, abnormal jaw movements and joint noises. Continual grinding and clenching causes spasm and pain in the muscles that close the jaw and may cause inflammation of. You have a tmj on each side of your face.


