Orofacial pain includes a number of clinical problems involving the chewing (masticatory) muscles or temporomandibular joint. Problems can include temporomandibular joint discomfort; muscle spasms in the head, neck and jaw; migraines, cluster or frequent headaches; or pain with the teeth, face or jaw.
 
You swallow approximately 2,000 times per day, which causes the upper and lower teeth t…