If you suffer from pain or tenderness in your jaw, have difficulty opening your mouth all the way, or experience constant headaches, you may have temporomandibular joint syndrome, known as TMJ. If so, you should seek an evaluation with Dr. Karen Parvin, a dentist in Chesapeake, VA, who specializes in providing treatment and therapy for this uncomfortable syndrome. Causes and Symptoms of TMJ This common condition, which is estimated to affect over 10 million Americans, has multiple causes. They vary from patient to patient, but often include a habit called bruxism, which is better known as the grinding of teeth at night. Other causes include arthritis, anti-depressant medications, injury to the jaw, or smoking. Classic symptoms of TMJ include: ·         Headaches ·         Pain or discomfort in the jaw region or upper shoulder ·         Clicking or locking of the jaw ...