If you want to help control your symptoms until you can see a TMJ doctor, dentists usually recommend the following:
Eat softer foods or try a liquid diet for a while
Avoid chewing gum and biting your nails
Use heat and cold packs on your jaw
Practice relaxation techniques
Sleep on your back or your side
Avoid resting your hand on your jaw
Take small bites
Practice good posture
Ask a doctor about using non-steroidal anti-inflammatory drugs (NSAIDs)