Add Yahoo as a preferred source to see more of our stories on Google. Over the years, Real Simple editors and experts have discovered that regular old toothpaste can clean much more than just your ...

From toothpaste to an LED whitener.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Brushing teeth helps prevent the buildup of plaque, which if left unattended, may lead to tooth decay and ...