You've probably been told since you were a kid to do everything you can to avoid cavities. But if you're like most of us, you may still be a bit hazy on the facts about tooth decay. Learn how to separate truth from fiction and you'll be on your way to a trouble-free smile.
1. Myth: Sugar Is the Only Thing That Causes Cavities
"The truth is, acid produced by bacteria in your mouth is the cause of cavities," says Kimberly A. Harms, DDS, an American Dental Association spokeswoman.
Any carb you eat can start that process. That includes sugar as well as rice, potatoes, bread, fruits, and vegetables.
2. Fact: Acid Causes Tooth Decay
Acidic foods can break down your teeth's outer shell (called the enamel), weaken the tooth, and make teeth more likely to decay.
"The bacteria responsible for tooth decay produces acids," says Misty Horn-Blake, DDS, a dentist in John...