UN SISTEMA DE SUMINISTRO PARA UN BLANQUEADOR DENTAL QUE UTILIZA UNA TIRA DE MATERIAL QUE TIENE BAJA RIGIDEZ EN FLEXION

摘要

The invention relates to an aqueous tooth whitening substance for application as a thin film to a plurality of adjacent teeth wherein the substance comprises a tooth whitening active; a carboxypolymethylene gelling agent; and a poly(ethylene oxide) resin. The invention further relates to a delivery system for whitening a plurality of adjacent teeth, the delivery system being in the form of a strip of flexible material comprising a poly(ethylene oxide) resin and a tooth whitening active, wherein the overall thickness of the delivery system is less than 1 mm..