According to the Daily Mail: Researchers at the British Universities of Leeds and Central Lancashire, found that teeth are "the human equivalent of a peacock's tail." A beautiful bright white smile is a sign of good genetics and makes you more attractive.

We all want to be attractive, right?!? Teeth whitening toothpastes promise a quick and easy way to improve your smile's appearance. But do they really work?

Yes and no. Dr. Thomas Salinas, a Mayo prosthodontist, says: "Whitening toothpaste can appear to whiten teeth slightly by removing surface stains, such as those caused by drinking coffee or smoking. However, whitening toothpaste can't change the natural color of your teeth or lighten a stain that goes deeper than a tooth's surface. For that, you'll need over-the-counter or professional bleaching products.

By the way, a prosthodontist specializes in cosmetics, dental implants, crowns, bridges, dentures, and other dental procedures.

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