Dental bleaching devices having a protective adhesive region

Details Dental bleaching devices having a protective adhesive region Dental bleaching devices having a protective adhesive region

2007-03-20

2007-03-20

Krass, Frederick (Department: 1614)

Dentistry

Method or material for testing, treating, restoring, or...

C433S216000, C433S217100, C424S053000, C424S401000

Reexamination Certificate

active

10783750

ABSTRACT:
Dental bleaching devices in the shape of a dental tray, strip or patch include a barrier layer, a dental bleaching composition, and a protective adhesive composition that protects a person's gums from the dental bleaching composition during use. The barrier layer protects the bleaching and protective adhesive compositions from saliva or moisture during use. The dental bleaching composition is positioned so as to contact a person's tooth surfaces when the bleaching device is in use. The protective adhesive composition is positioned so as to shield a person's gums from the bleaching composition when the bleaching device is in use. The dental bleaching composition and protective adhesive composition can be in the form of a gel or they may be substantially solid. They preferably include a tissue adhesion agent comprising a hydrophilic polymer.

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Technical Bulletin: Hydrogen Peroxide-Polyvinylpyrrolidone Polymer Complexes, International Specialty Products, 1361 Alps Road, Wayne New Jersey 07470, www.ispcorp.com (Dec. 2003).

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