Most Recent Answer
by Cleveland Clinic
The cause of TMD is not clear, but dentists believe that symptoms arise from problems with the muscles of the occlusion and/or with the parts of the joint itself.
Injury to the jaw, temporomandibular joint, or muscles of the head and neck, such as from a heavy blow, can cause TMD. Other possible causes include:
Grinding or clenching the teeth, which puts a lot of pressure on the TMJ
Dislocati...