Abrasive dential articles

Details Abrasive dential articles Abrasive dential articles

C - Chemistry, Metallurgy

09

K

C09K 3/14 (2006.01) A61C 3/06 (2006.01) A61C 17/00 (2006.01) B24D 3/32 (2006.01) A61K 7/16 (1990.01)

Patent

CA 2075406

47430CAN9A Abstract Previously known dental abrasives are effective but exhibit significant rates of weight loss. The abrasive compositions of this invention, and dental articles made from same, include abrasive particles dispersed throughout and entrapped within a polyurea or polyurethane urea matrix which contains soft and hard segments wherein the matrix is made from the polymerization reaction of a polyfunctional amine and a polyfunctional isocyanate. The abrasive dental articles include prophylactic cups and polishing wheels, points and discs.

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