What is the cause of jaw pain in tmj?

Inflammation: The joint becomes very inflamed and tender along with the surrounding muscles going into spasm.

Several: Injury is the main cause of pain in tmj. Another cause is an ear infection.

Occlusion: The most common reason but jot the only reason for pain in the TMJ joint is occlusion that is unbalanced. Occlusion is the way your teeth fit together. If their isn't a harmonious balance in the occlusion TMJ pain is often a result.

Many things: Could be a displaced disk, adhesions, inflammation, infection, tumor, etc. See a TMJ expert to help evaluate and treat your problem. A TMJ expert can be general dentist, an oral surgeon, prosthodontist, orofacial pain specialist. Ask your physician, dentist or dental society for a recommendation.