Breaking News

Tooth Whitening PatentFrom Dental International

November 6, 2012


• US Patent No. 8,277,783 B2; Millen-nium Dental International, Brookfield, CT, has patented a method of whitening a tooth. It entails applying to the tooth an oxidizing agent comprising between about 0.005 to about 3.0% by weight of a compound of the formula R1 (MnO4)n, or mixtures thereof, wherein R1 is H, an alkali-metal, or an alkaline earth metal, and n is 1 when R1 is H or an alkali-metal and 2 when R1 is an alkaline earth metal; and a reducing agent comprising between about 1-3% by weight of a peroxygen compound, or mixtures thereof, wherein the peroxygen compound is hydrogen peroxide, urea peroxide, an alkali-metal peroxide or an alkaline earth metal peroxide. The oxidizing agent and the reducing agent are simultaneously applied to the tooth. The oxidizing agent reacts with the reducing agent on the tooth’s surface to generate the tooth whitening effect. The tooth whitens by at least one shade according to the Vita Shade Guide.
blog comments powered by Disqus
  • Kitchen Counter Cosmetics

    Kitchen Counter Cosmetics

    Christine Esposito, Associate Editor||May 2, 2016
    LOLI box marks the convergence of natural and organic ingredients, subscription service and DIY cosmetic chemistry.

  • What’s New at La Prairie?

    What’s New at La Prairie?

    Melissa Meisel, Associate Editor||April 25, 2016
    VP of marketing shares the latest buzz with Happi.

  • Mapping Out Multicultural Beauty

    Mapping Out Multicultural Beauty

    April 25, 2016
    Agnieszka Saintemarie of Kline Group about current trends and challenges in multicultural beauty.

  • Erasing the Signs of Aging

    Pauline Rouaud-Tinguely, David Boudier, Sylvain Mazalrey, Jenny Laumonier, Isabelle Cruz, Gu00e9raldine Bon, Karine Perrinet, Bu00e9ranger Tassy, Brigitte Closs, Silab R&D, Saint-Viance, France||May 2, 2016
    Silab researchers explain how by acting on the endogenous hyaluronic acid pathway.

  • I Want It All

    I Want It All

    Melissa Meisel , Associate Editor||May 2, 2016
    Skin care moves beyond the basics with pampering formulations with unique components and novel functions.

  • Wacker Builds on Its Success

    Wacker Builds on Its Success

    Tom Branna, Editorial Director ||May 2, 2016
    The silicone maker had a good 2015 and expects the gains to continue in 2016, driven, in part, by success in the Americas and