HYDROGEL COMPOSITIONS FOR TOOTH WHITENING

摘要

A composition is provided, wherein the composition comprises a water-swellable, water-insoluble polymer, a blend of a hydrophilic polymer and a complementary oligomer capable of hydrogen bonding to the hydrophilic polymer, and a whitening agent, preferably a peroxide. The composition finds utility as a tooth whitening composition and is applied to the teeth in need of whitening, and then removed when the degree of whitening has been achieved. In certain embodiments, the composition is translucent. Methods for preparing and using the compositions are also disclosed.

主权项

1. A tooth whitening system comprising:
an outer substrate that serves as an external surface of the system following application to a tooth surface; a tooth contact adhesive layer adhered to the outer substrate, and a removable release liner positioned on the tooth contact adhesive layer; wherein the tooth contact adhesive layer comprises a solid composition comprising:
(a) a water-swellable, water-insoluble acrylate polymer;(b) a blend of a hydrophilic polymer and a complementary oligomer capable of hydrogen bonding to the hydrophilic polymer; and(c) a whitening agent.