A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/02 (2006.01) A61K 8/22 (2006.01) A61K 8/34 (2006.01) A61K 8/38 (2006.01) A61K 8/42 (2006.01) A61K 8/73 (2006.01) A61K 8/81 (2006.01) A61Q 11/00 (2006.01)
Patent
CA 2705568
A system for delivering a tooth whitening substance to a plurality of adjacent teeth, the delivery system comprising a strip of flexible material having a sufficient flexibility to form a curbed shape on a plurality of adjacent teeth and a tooth whitening substance. The strip of material is readily conformable to the teeth surfaces and to interstitial tooth spaces without permanent deformation when the delivery system is placed thereagainst. The tooth whitening substance is applied to the strip of material such that when the delivery system is placed on the surface of the teeth, the substance contacts the surface providing an active onto the surface. The substance also provides adhesive attachment between the strip of material and the surface to hold the delivery system in place for a sufficient amount of time to allow the active to act upon the surface. The method of delivery includes pre-coating the strip of material or having the wearer apply substance to the strip of material and then applying the delivery system to the teeth surfaces.
Dirksing Robert S.
Rohman Frederick J.
Sagel Paul A.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
The Procter & Gamble Company
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