The condition is medically known as a TMJ disorder, which involves the joints connecting the jawbone to the skull, almost like sliding hinges that allow you to open and close your mouth.

The TMJ is the joint that allows your jaw to open and close. "Sooooo … i had double ... I sucked my thumb til i was 9 ishhh which made the roof of my mouth suuuuuper narrow and my excessive ...

In the meantime, or if your grinding seems to be associated with periods of high stress or poor sleep, an over-the-counter mouth guard ... the risk is if you open up the jaw too much at nighttime ...