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 pain may occur during pregnancy as a result of hormonal changes and additional physical and emotional stress. Facial exercises and cold or hot compresses may help relieve this pain. Share on ...

TMJ disorders affect the jaw joint and muscles that control the jaw. They can be challenging to diagnose and treat because of how complex this joint is. Around 12 percent of people in the United ...