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There are several methods available to the dental professional for bleaching teeth. In-office bleaching systems generally use the same technique. A high concentration of hydrogen peroxide is applied to your teeth and then heated for several minutes. The source of the heat is usually a special light. Recently lasers have been used as a heat source or to activate the bleaching process. Several visits to the dentist may be necessary to achieve the desired shade of whiteness with either the traditional or laser technique.
I haven't seen any independent studies indicating that the laser technique is more or less effective than the in-office, traditional bleaching technique. Cost for either technique will vary depending on where you live.
Dr. Linda Wells
Assistant Professor
Public Health Sciences
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