Learn how teeth whitening works! Teeth stain or darken due to diet, lifestyle, and age. The only substance proven to whiten the color of your enamel is active oxygen, such as that released by the peroxide contained in Opalescence teeth whitening. Learn more at [ Ссылка ]
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Ultradent Products, Inc., is a leading developer of high-tech dental materials, devices, and instruments worldwide. Ultradent's mission is to improve the level of dental health care and to make dental procedures more predictable and hassle free.

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