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I still remember the first time it happened. I was yawning—just a normal, lazy Saturday morning stretch—and suddenly, a sharp click echoed from my jaw. Then came the tension. Then came the pain. I ...

The exact cause of temporomandibular joint (TMJ) disorders is largely unknown. Some cases begin after an injury, while others may have more to do with a mix of joint structure, genetics, and stress.

TMJ disorder can cause intense pain in the jaw, neck, and head. If left untreated, TMJ disorders can lead to chronic pain, difficulty chewing, swelling, and in rare cases, it may lead to nerve damage.