Can tmj cause ringing in only one ear?

Yes: Costen syndrome is a TMJ abnormality characterized by tinnitus, vertigo, plugged ear, headache and pain in the ear. Usually due to a poor bite. Treatment consists of non-steroidal anti-inflammatory medications, heat and exercise of the joint. Getting an orthodontist involved is also helpful.

Absolutely: Tinnitus is a difficult symptom to resolve. The longer it's duration, the less likely it can be eliminated. If related to tmj, first determine a jaw position where the ringing does not occur. Then, move the teeth too that position using neuromuscular orthodontics.

Many causes: Tinnitis (ringing in the ear/ears) has always been a tough ailment to deal with and treat. There can be many causes, including too much Aspirin ingestion over the years, tmj, ear injury, heredity, cysts, tumors, esposure to loud noises and other sources. Proper treatment is very difficult to figure out from mouth splints, taking a ginkgo supplement over time, and even surgery. Go to an ent.

It might: Many of the structures of the middle ear pass through the jaw joint. A problem inside the joint can cause some ear symptoms. Your best way to evaluate this is to use a diagnostic orthotic to find the best functional joint position and see if the ear symptoms change. Be sure your jaw is not dislocated as this would certainly compound the issues.

Yes: Yes. If you successfully treat the TMJ, the ringing may improve. Alternatively, it might be ear related. See an ENT ddc to check it out.