What causes why i have pain in my tmj?

Joint problems: While the TMJ is somewhat unique, it is still similar enough to other joints of the body. Injury, inflammation, strain, excessive forces, twists, etc. Can cause internal swelling, inflammation, strains on ligaments, internal damage to disc, etc will elicit pain. See your dentist for an evaluation and treatment.

Out of balance: A balance exists between how your teeth fit together, now the muscles and joints work. When this is out of balance pain can come from the joints or muscles. If there is noise from the joints there is a problem inside the joints. If the muscles are sore, that may indicate the problems comes from these. It is best to check with your dentist and see if you can find the answer or a referral.

Macro or microtrauma: The literature shows that other than outright pathology (arthritis, tumors, degenerative joint disease, etc.) the primary cause of TMJ pain is microtrauma (chronic clenching) or macrotrauma ( blow to body). Treatment is to protect the joints from being overloaded with a splint. See an orthodontist.

Joint or muscle: Usually a derangement with bone or cartilage within the joint, or the muscles associated.