Patient Education

Heart Health Library

Our Health Library does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their heart health. Our providers may not see and/or treat all topics found herein.

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Temporomandibular (TM) joint

Temporomandibular joint just in front of ear, with detail of joint showing lower jawbone, muscle, and articular disc.

The temporomandibular (TM) joints join the skull and lower jawbone. These gliding "ball and socket" joints are located just in front of each ear. They move when you open and close your mouth.

The TM joints are held together by muscles and other tissues that attach to the jawbone. The jawbone and the bone of the skull are separated by a disc made of cartilage, called the articular disc. This keeps the two bones from rubbing together.

Current as of: July 17, 2023

Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.