Multilayer tooth whitening strips

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/02 (2006.01) A61K 8/22 (2006.01) A61Q 11/00 (2006.01)

Patent

CA 2562099

Tooth-whitening films comprising a hydratable polymer and a whitening agent are disclosed in which the films have a hydrophobic coating on one surface and a tooth-adherent coating on the opposing surface. Flavorings can also be included in the hydratable polymer portion of the film or in either the hydrophobic coating or the tooth-adherent coating. Tooth-whitening methods that use the films are also disclosed. The hydratable polymer preferably is a polyethylene oxide.

Sont présentées des pellicules pour le blanchissement des dents, contenant un polymère pouvant être hydraté et un agent de blanchissement ; elles possèdent un revêtement hydrophobe sur une surface et un revêtement adhérant à la dent sur la surface opposée. Des arômes peuvent aussi être intégrés dans la partie du polymère pouvant être hydratée ou dans le revêtement hydrophobe ou le revêtement adhérant à la dent. Sont également présentées des méthodes de blanchissement des dents qui utilisent les pellicules. Le polymère pouvant être hydraté est, de préférence, un oxyde de polyéthylène.

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