Epson salt baths and take magnesium. It cures and alleviates much of TMJ patients. Definitely the exercises mentioned. Breathing exercises. Massages to the area with antinflammatory product. Probably kissing a handsome hubby (made the last one up)

Have you tried chin tucks, neck rotations or jaw stretches like the "goldfish" exercise? This last one involves a gentle opening and closing of the mouth.