In the jaw resistance exercise, you use your hand to push gently against your jaw while trying to open or close your mouth.

“Never ever, ever, ever go to sleep without brushing your teeth,” Soncini explained. “You can spend a whole day without ...

For some, the sound of a pen clicking or someone chewing with their mouth wide open is just an annoyance. For others, it’s unbearable — an instant trigger for a ...