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Dental Restorative Material
专利权人:
TOKUYAMA DENTAL CORPORATION
发明人:
Chika Toriyabe,Hironobu Akizumi
申请号:
US14431174
公开号:
US20150272833A1
申请日:
2013.09.17
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A dental restorative material including a photocurable composition that contains a polymerizable monomer component (A), an inorganic filler component (B) having an average particle size of not smaller than 0.07 μm, and a photo polymerization initiator (C),the inorganic filler component (B) being contained in an amount of 100 to 1500 parts by mass per 100 parts by mass of the polymerizable monomer component (A), andthe polymerizable monomer component (A) and the inorganic filler component (B) being so selected as to satisfy a condition (X1) represented by the following formulas (1a) and (1b):nF−0.005<;nM<;nF+0.005  (1a)nF+0.020<;nP<;nF+0.040  (1b)wherein, nM is a refractive index of the polymerizable monomer component (A) at 25° C.,nP is a refractive index at 25° C. of a polymer obtained by polymerizing the polymerizable monomer component (A), andnF is a refractive index of the inorganic filler component (B) at 25° C.
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