Colgate-Palmolive Co. Tuesday said fourth-quarter profit rose 9 percent as the weak dollar and a gain from the sale of European laundry detergent brands offset weakness in the U.S. tooth-whitening ...

NuPro White Gold, a take-home system from the dentist Price: $285 for fitted mouth trays and a supply of bleaching gel that should last about two years, depending on frequency of touch-ups.

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