Dental root canal filling material
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United States of America Patent
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Oct 25, 2011
Grant Date -
Sep 25, 2008
app pub date -
Dec 17, 2004
filing date -
Dec 23, 2003
priority date (Note) -
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Abstract
A dental root canal sealing composition curable in the absence of a polymerisation initiator, which comprises (i) an amino terminated prepolymer having a viscosity at 23° C. of less than 100 Pas. (ii) a compound capable of undergoing polyaddition with the aminoterminated prepolymer (i); (iii) 40 to 85 wt.-% of a filler for providing a minimum radioopacity of at least 3 mm/mm Al.
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