BLEACHING COMPOSITION AND METHOD OF BLEACHING TOOTH

摘要

A bleaching composition comprising a peroxide and a photocatalyst (a visible light responsive photocatalyst) activated by the effect of light having a wavelength of greater than or equal to 420 nm. A method of bleaching teeth comprising application of the composition according to any of claims 1 to 4 on the surface of a tooth and irradiating the resulting coating with light comprising a component with a wavelength of greater than or equal to 420 nm.