Bruxism is a medical term that describes the act of grinding the teeth and clenching the jaw.
More information on Teeth Grinding is available here.
Temporomandibular joint disorders (TJDs) are problems that affect the joint between the lower jaw and the base of the skull.
More information on Temporomandibular Joint Disorder is available here.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.