A cavity, also called tooth decay, is a hole that forms in your tooth. Cavities start small and gradually become bigger when they’re left untreated.

“A cavity is a decayed spot on your tooth that results in a hole or weakness in the enamel,” she tells Yahoo Life. “Cavities ...

How Should I Care for My Teeth and Gums? Dental plaque is a sticky film of bacteria that builds up on your teeth throughout your day. It's colorless so you may not see it, but it's still there ...

For children under 5 or 6, she said, parents should brush their teeth for them, and parents should supervise the routine until their children are 8 or 9. She takes extra care with the worst candies.