What is a TMJ Arthroscopy? An arthroscopy is a minimally invasive procedure to examine the inside of the temporomandibular joint and to perform procedures to improve joint health. The goals of the procedure are to reduce TMJ pain and improve joint function. If you suffer from jaw joint pain that hasn’t responded to non-invasive treatments, TMJ (temporomandibular joint) arthroscopy is an effective option to explore. This is an outpatient surgery done under general anesthesia that allows Dr. Best