Curable zirconia adhesive compositions for dental restorations
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United States of America Patent
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Jul 22, 2014
Grant Date -
Sep 30, 2010
app pub date -
Mar 27, 2009
filing date -
Mar 27, 2009
priority date (Note) -
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Abstract
The present application relates to a polymerizable dental adhesive system formulated for effective and durable bonding of zirconia based materials and restorations to dental resins and dental surfaces. According to one embodiment, a polymerizable dental adhesive system comprises a first acidic monomer comprising an ethylenically unsaturated polymerizable group or moiety of the general formula CH2═CX—C(O)— wherein X is hydrogen, methyl or a lower alkyl group, and the first polymerizable monomer further comprises a phosphoric or phosphonic acid group of general formula —OP(O)(OH)2, —OP(O)(OH), —C—P(O)(OH)2 and —C—P(O)(OH), and a second polymerizable acidic monomer comprises an ethylenically unsaturated polymerizable group or moiety of the general formula CH2═CX—C(O)— wherein X is hydrogen, methyl or a lower alkyl group, and wherein the second polymerizable acidic monomer further comprises a carboxylic acid group of the general formula —C(O)OH.
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