DENTAL MATERIAL
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United States of America Patent
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Issued Date -
Jul 29, 2010
app pub date -
Jan 22, 2010
filing date -
Jan 26, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention provides a dental material comprising a resin matrix. It comprises: a) at least 2% by weight of pigment with a refractive index of at least 2, b) spherical particles and/or spherical hollow particles which are composed of optically homogeneous material and have a mean particle diameter d50 between 0.2 and 300 .mu.m, said material having a refractive index which differs by at least 0.2 from the refractive index of the surrounding matrix and/or of the core of the hollow particles.
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