From in-office treatments to at-home kits, learn what really works and how to preserve your smile’s brightness over time.

Have you ever seen a photo of yourself, checked your smile, and thought, "I could use some teeth whitening"? Well, a lot of us have been there. The good news is that you can give your smile a little ...

Add Yahoo as a preferred source to see more of our stories on Google. Look at the smiles of your favorite celebs and influencers and you’ll likely notice that they have one thing in common: dazzling ...

White teeth are highly valued by young adults. But an even tooth color is considered to be of even higher importance. A study from the University of Gothenburg, one of the first of its kind, shows ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We all want brighter, whiter teeth — and we want them now. But professional teeth whitening can be ...