Methods and kits for bleaching teeth while protecting...

Details Methods and kits for bleaching teeth while protecting... Methods and kits for bleaching teeth while protecting...

2007-09-04

2007-09-04

Krass, Frederick (Department: 1614)

Dentistry

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

C433S216000, C433S217100, C424S053000, C424S401000

Reexamination Certificate

active

10839419

ABSTRACT:
Dental bleaching methods and kits employ a dental bleaching composition, a protective composition and a barrier layer. The dental bleaching composition is positioned so as to contact a person's tooth surfaces. The protective composition is positioned so as to shield a person's gingival tissue from the bleaching composition during tooth bleaching. The barrier layer protects at least the bleaching composition from saliva and/or mechanical forces during tooth bleaching. The dental bleaching composition and protective composition can be in the form of a sticky and viscous gel. The protective composition may alternatively be a flexible polymerizable material. The barrier layer may be a substantially flat sheet, strip or patch, or it may comprise a dental tray.

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