Breaking News

Tooth Whitening PatentFrom Dental International

February 4, 2013

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
  • A Facial Bar Grows in Brooklyn

    A Facial Bar Grows in Brooklyn

    Christine Esposito, Associate Editor||October 24, 2016
    With three doors in Canada, Blitz Facial Bar opens its first US location in one of the hippest areas of New York.

  • Free and Clear

    Free and Clear

    Melissa Meisel, Associate Editor||October 17, 2016
    OY-L aims for zero-chemical skin care.

  • Coming Clean on a Host of Issues

    October 17, 2016
    Cleaning Products Conference is set for Nov. 9-11, 2016 in Washington DC.

  • Change Is in the Air

    Change Is in the Air

    Doreen Wang, BrandZ ||October 3, 2016
    Technology is changing the personal care market

  • Skin Care of One’s Own

    Skin Care of One’s Own

    Christine Esposito, Associate Editor||October 3, 2016
    Nu Skin’s ageLOC Me—which melds the worlds of smart-phone technology, efficacious ingredients and personalization

  • Proof Positive

    Proof Positive

    Christine Esposito, Associate Editor||October 3, 2016
    Testing service providers enable companies to back up their claims and stay in compliance with regulations.