Dental curable composition and dental flowable composite resin
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United States of America Patent
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Jan 2, 2018
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Nov 26, 2013
filing date -
Nov 30, 2012
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Abstract
The present invention provides a dental curable composition suitable as a flowable composite resin. The dental curable composition, when in the form of a cured product, has excellent mechanical strength, polishability, and gloss retention, and, when in the form of a paste, has consistency appropriate for discharge through a needle attached to the tip of a syringe and exhibits good formability and handling properties after discharge through the needle. The present invention is a dental curable composition including: a polymerizable monomer (A); irregularly-shaped inorganic particles (B) having an average particle diameter of 0.1 to 0.3 μm and surface-treated with a silane coupling agent having a particular structure; and inorganic ultrafine particles (C) having an average particle diameter of 5 to 50 nm and surface-treated with a silane coupling agent having a particular structure, the dental curable composition containing 92.5 to 98 weight % of the irregularly-shaped inorganic particles (B) and 2 to 7.5 weight % of the inorganic ultrafine particles (C) relative to the amount of total inorganic particles and having a consistency of 25 to 55.
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