Who doesn't want a sparkling smile?
Coffee, tea, wine, and other foods discolor teeth over time. If your smile has lost its luster, several teeth-whitening techniques are available.
Whitening rinses. Used like a mouthwash, these products contain whitening agents. They are easy to use -- all you do is swirl the rinse around your mouth for a minute. Because the whitening agent is in contact with teeth for a relatively short time, rinses whiten teeth gradually.