Several sores on tongue & jaws, painful, burning when eat or drink anything. have had over 3 months, won't go away. used dental paste & mouthwash?

Oral sores: This requires a one on one dental consult in order to accurately diagnose your issue and suggest appropriate treatment. Any problem that lasts over two weeks warrants a dental evaluation! obviously it's not going away on its own with anything that you are doing. The sooner you see a dentist, the sooner you will feel better. Call for an appointment today.

Dry mouth syndrome: Condition that requires to have a review of your medication(s) and their doses. There are several mouth rinses for dry mouth. Use them as frequent as possible (biotin). Also it may be a case of recurrent aphthous stomatitis. Will require tto treat with antibiotics or antiviral medicine. Seek help with a dentist or an ENT doctor.