According to Martin Giniger, a dental professor at the University of Medicine and Dentistry of New Jersey, there is a growing array of whitening products has arrived on store shelves, costing between $15 and $30 each, compared to professional treatment from a dentist at a cost of $300 or more (Uhlman Pp). Giniger says that peroxide gels are safe when used as directed any that problems arise usually involve gum irritation or tooth sensitivity (Uhlman Pp).
Dentist administered teeth bleaching has earned the American Dental Association seal of approval, but over-the-counter whitening systems have not been approved yet due to insufficient clinical studies (Fishman Pp). Custom-fitted trays prepared by the dentist for home use cost about half as much as those performed in the dentist's...
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