Patent ID: 6368576
Filing Date: 2002-04-09
Classification: A61C,A61K,A61Q,Y10S

Abstract:
A method for bleaching and opacifying teeth while reducing tooth sensitivity, the method comprising:(a) providing a dental bleaching composition comprising: (i) at least one dental bleaching agent, (ii) potassium nitrate included in an amount so as to opacify teeth and so as to reduce tooth sensitivity that may be caused by said dental bleaching agent, and (iii) a dental carrier, wherein said dental bleaching composition is substantially free of abrasives; and (b) contacting one or more teeth with said dental bleaching composition for a time period of at least about 15 minutes in order for said dental bleaching agent to bleach the one or more teeth and in order for said potassium nitrate to opacify the one or more teeth and reduce tooth sensitivity that may be caused by said dental bleaching agent.