Patent ID: 8142562
Filing Date: 2012-03-27
Classification: A61K

Abstract:
1. A curable dental retraction composition comprising: a. an alginate in an amount from about 4 to about 20 wt. -%, b. a di- and/or trivalent ion source in an amount from about 5 to about 50 wt. -%, c. water in an amount from about 20 to about 55 wt. -%, d. a retarder in an amount from about 5 to about 50 wt. -%, and e. a filler in an amount from 1 to about 30 wt. -%, wherein the wt. -% are calculated with respect to the whole composition and wherein the shear storus modulus value G′ max. of the composition is at least 150,000 Pa when measured with a dynamic stress rheometer equipped with a 15 mm parallel plate geometry with grooved surfaces and a measurement gap of 1 mm at 36° C.