Indirectly: Continual stress can cause long term clenching and grinding habits, that can over time cause muscle spasms, along with inflammation and damage to your TMJ joints, which then can result in joint noises, pain, and the jaw locking in either the open or closed positions. If you think that you suffer from this problem, consult a dentist trained and skilled in this area.
Answered 6/10/2014
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Yes: Stress can cause you to overuse your jaw muscles which can then cramp and cause a tightness or stiffness of your jaw.
Answered 4/17/2017
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