 [ Symptoms ] what are the symptoms of a brain tumor in adults [ Disease ] tinnitus can be a jaw joint or tmj related issue a dentist will do a complete examination which includes evaluating changes in the degree to which you can open your mouth deviations in opening and closing clicks pops or pain a load test x rays ct scans mris it also could be an ent or neurological issue so you may want to see your physician for an exam as well