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Overview. 1  A slipped disc in your jaw can cause painful temporomandibular joint (TMJ)-related problems, including a âpoppingâ noise that originates inside the jaw joint. 2  Friction is a massage exercise. 3  The jaw stretching exercise may relieve tension in tight jaw muscles forced out of position.
What your hearing is that pressure equalizing. The reason it only happens when you move your jaw or chew is because your Eustachian tube is inflamed meaning that with your jaw in normal position, the air isn't able to pass through and equalize the pressure.