Dental composition containing a polyfunctional (meth)acrylate comprising urethane, urea or amide groups, method of production and use thereof
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United States of America Patent
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Dec 11, 2012
Grant Date -
Mar 3, 2011
app pub date -
Jun 27, 2008
filing date -
Jun 29, 2007
priority date (Note) -
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Abstract
The invention relates to a dental composition comprising a) a hardenable compound (A1), b) a filler (B1), c) an initiator (C1) being able to initiate curing of compound (A1), compound (A1) having the structure A-(-S1-U-S2-MA)n, with A being a connector element, S1 being a spacergroup comprised of units connected with each other and comprising at least 4 units, S2 being a spacergroup comprised of units connected with each other and comprising at least 4 units, U being an urethane, an amide or an urea group connecting spacergroups S1 and S2, MA being an acrylate or methacrylate group and n being 3 to 6. The invention also relates to a process of producing this dental composition and using the dental composition e.g. as a temporary and/or long term crown and bridge material.
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