Dental composite compositions for reduced shrinkage stress
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United States of America Patent
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Apr 3, 2018
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app pub date -
Oct 3, 2014
filing date -
Oct 3, 2013
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Abstract
A dental composite composition is disclosed that includes a polymerizable resin, filler particles, and at least one polymerizable stable radical. A variety of polymerizable stable radicals may be employed, including those that have a 2,2,6,6-tetramethylpiperidinyl-1-oxyl moiety. Compositions as described herein exhibit excellent mechanical strength, hardness, and flexural modulus, while also significantly decreasing shrinkage stress caused by polymerization.
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