also involved in the depression of the mandible and elevation of the hyoid bone and are therefore relevant to the masticatory system.

Ligaments

There are various ligaments associated with the TMJ and these limit and restrict border movements by acting as passive restraining devices. They do not contribute to joint function, rather exert a protective role. The key ligaments relevant to the TMJ are:
* The temporomandibular ligament
* The medial and lateral discal ligaments
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