I am a dentist ...30 years of practice. Generally tmj does not cause the teeth themselves to hurt. Tmj/myofacial pain dysfunction syndrome have varied symptoms---pain when opening or closing...tenderness of palpating (touching) the joint itself just in front of the ears or the muscles around it. Pain radiating from the joint to the areas around the eyes and into the forehead. Also headaches in these areas. Your symproms do not sound completely consistent with tmj, but there always exceptions to the rule. Need you to be a lot more specific. Personally, I know that hiatal hernia can cause severe pain in the lower jaw..........any chance of this??? will try to be of help if i can.