Some people grind their teeth because there's some kind of interference ... wake up and my jaws would be sore," Posey said.

Doesn't sound too bad, right? EDITOR'S NOTE ... Narrator: Thirty to 40 million Americans grind their teeth at night. That's roughly 10% of the US population, and chronic teeth grinding can ...

As we trudged deeper into our 30s, I was prepared to hear about bad backs and tricky knees ... For those who grind their teeth at night, doctors often prescribe a night guard – a plastic ...

They may give you a whiter grin at first. But over time, they can wear down your teeth's hard outer shell-- enamel. That can make your teeth more sensitive to hot or cold food and drinks.

Tooth sensitivity is discomfort in one or more teeth that is triggered by hot, cold, sweet or sour foods, or drinks, or cold air. Bad breath is often caused by bacteria in your mouth that gives ...