Add Yahoo as a preferred source to see more of our stories on Google. A medical scan of Lisa Schmidt, who has been treated for TMJ disorders for decades, shows how both of her jaw joints were replaced ...

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.

What Is a TMJ Headache? You have a temporomandibular joint (TMJ) on either side of your face that connects your jaw to your skull. It helps with important functions, such as opening your mouth to talk ...