초록 ▼

A thin, flexible film which when applied to stained teeth is hydrated by saliva and is effective in such form to whiten teeth, the film comprising an anhydrous water hydratable ethylene oxide polymer matrix containing a solid peroxide whitening agent whereby upon application to stained tooth surface

A thin, flexible film which when applied to stained teeth is hydrated by saliva and is effective in such form to whiten teeth, the film comprising an anhydrous water hydratable ethylene oxide polymer matrix containing a solid peroxide whitening agent whereby upon application to stained tooth surfaces, the peroxide whitening agent is solublilized by saliva present in the oral cavity into active whitening activity when the film is positioned and placed on the teeth.

대표청구항 ▼

1. A strip for whitening teeth in order to remove stains from the surface of said teeth, wherein said strip comprises approximately by weight:(a) 50% to 90% of a matrix consisting of an anhydrous water hydratable ethylene oxide polymer; and (b) 1% to 30% of a solid whitening agent being incorporated

1. A strip for whitening teeth in order to remove stains from the surface of said teeth, wherein said strip comprises approximately by weight:(a) 50% to 90% of a matrix consisting of an anhydrous water hydratable ethylene oxide polymer; and (b) 1% to 30% of a solid whitening agent being incorporated in said matrix, wherein upon application of said strip to said teeth said solid whitening agent is solubilized by saliva present in the oral cavity into active whitening activity when said strip is positioned and place on said teeth.