Patent ID: 9675528
Date: 2017-06-13
CPC Classifications: A61C,A61K

Claim:
1. A carrier composition for filling a tooth root canal, comprising about 1% to about 70% a thermoset material, the thermoset material being cis 1-4, polyisoprene; about 10% to about 50% a radiopacifier, the radiopacifier having an average particle size of about 0.25 microns to about 10 microns; about 0.1% to about 30% a curing agent for chemically cross-linking the cis 1,4-polyisoprene; about 0.05% to about 50% a filler; and about 0.5 to about 50% an elastomer; wherein cis 1-4 polyisoprene to the elastomer is present in a ratio ranging from about 10:1 to about 1:1.