Hi
Welcome to the MedHelp forum!
The twitching can be due to nerve irritation by too much biting on the jaw. You need to find the sore points on your cheek and jaw. You have to press on muscles to look for sore points. Then massage these points with short strokes. To massage the masseter muscles on each side of your jaw, place your thumb inside your mouth and squeeze the thick muscle in your cheek with your fingers. To massage the jaw muscles inside your mouth, use your index finger to probe and massage these spots.
Moist heat or cold packs on the face, vitamin supplements, or biofeedback are useful for some people. Usually people find a method that brings relief by trial and error.
Hope this helps. Do let me know if there is any thing else and keep me posted. Take care!
You might try a moist heat wrap. For your jaw, you might also try ice. Do you have a night guard or flat planed splint to try to protect your teeth or jaw joint? And try relaxing your face muscles, letting your jaw go slack and maybe even some massaging. You might even get the doc to prescribe for short term use if it is really bad some valium to help with the tension. I have very bad TMJ problems, with arthritis in my jaws. I use a flat planed splint at night.