Teeth Whitening It's hard to imagine anything more appealing than a sparkling, white smile. Yet our teeth rarely stay as white as we'd like them to without a little help. Fortunately, that help is available at the dental . Teeth whitening done in a professional dental setting is a safe, effective way to brighten your smile. It's also perhaps the most economical cosmetic dental procedure. Depending on the whitening method you choose, results can be dramatic: in-office whitening, for example, can lighten teeth three to eight shades in a single hour. Professionally supervised whitening will work faster, and protect sensitive gums and tooth-root surfaces better, than over-the-counter whitening products. Having an oral exam before you begin any whitening process is an important first step to make sure your tooth discoloration is not the result of a dental condition in need of treatment. Also, please be aware that it can be risky to have whitening solutions appli...