Dear Doctor. I had trouble opening my mouth wide when I was getting my teeth cleaned, and the hygienist said it could be TMJ. But my sister, who is a chiropractor, says she thinks it’s a muscle spasm. What is TMJ, anyway?
Dear Reader. TMJ refers to the temporomandibular joint, which connects the jaw to the skull. We each have two, one on each side of the jaw. These are the structures that allow us …