What can a whitening paste do for you?

Whitening toothpastes can be helpful for those who have surface stains on their teeth, but it's good to have an idea what these products can and can't do.

Whitening toothpastes can help lighten staining that has resulted from drinking certain liquids, such as coffee and tea, and stains caused by tobacco. These pastes cannot change the look of stains that are below the surface of the teeth, such as those caused by excessive fluoride.

Whitening pastes may be used twice a day during regular brushing, but overusing them can cause problems, since the stronger whitening toothpastes use abrasion to remove the outer layer of teeth and reveal a newer, whiter layer. However, the stronger whitening toothpastes may cause sensitivity and, over time, may cause your teeth to lose luster and shine. Whitening toothpastes, in general, usually make your teeth brighter but not whiter. In addition, using abrasive whitening toothpastes can dull the porcelain on veneers and crowns.

In addition to abrasives, which actually polish the teeth, whitening pastes also contain agents that break down stains. Some pastes contain a chemical called blue covarine that attaches itself the tooth's surface to create a whiter appearance. Toothpastes with hydrogen peroxide for whitening don't really help much. Because the toothpaste gets all over your mouth, including your gums, and because you might swallow some, the amount of hydrogen peroxide is small. In addition, you probably won't brush long enough for the hydrogen peroxide to have much of an effect.

Many patients choose to use a whitening paste after having a professional whitening treatment . Be sure to choose a paste that exhibits the ADA Seal of Acceptance for effectiveness and safety.

Dental Society of Greater Orlando Florida Dental Association American Dental Association
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