Is it normal to have your jaw lock in place when you open it very wide?

Is it normal to have your jaw lock in place when you open it very wide?

1. Introduction Experiencing a sudden, terrifying moment where the jaw locks in an open position after yawning widely or taking a large bite is a highly distressing, yet recognized clinical event. This mechanical failure of the facial anatomy is medically classified as a form of Temporomandibular Joint (TMJ) dysfunction, specifically an open lock or subluxation. … Read more