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MATÉRIAU DE RÉSINE MULTICOUCHE POUR FRAISAGE ET USINAGE DENTAIRE
专利权人:
Shofu Inc.
发明人:
申请号:
EP16201214.0
公开号:
EP3173048A1
申请日:
2016.11.29
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
To provide a multilayer resin material for dental milling and machining, comprising an inorganic filler in a content of 40 % by weight or more and a plurality of layers different in transparency and color tone from each other, wherein the thickness of the uppermost layer (U) and the thickness of the lowermost layer (L) are each 1 mm or more, the contrast ratios (uppermost layer: CU, lowermost layer: CL) as indices for the transparency of the uppermost layer (U) and the transparency of the lowermost layer (L) satisfy the following relations: 0.30CU0.60 0.55CL0.90 CU<;CL and the chromaticities (uppermost layer: LU·aU·bU, lowermost layer: LL·aL·bL) based on the L*a*b* colorimetric system as the indices of the color tones in the uppermost layer (U) and the lowermost layer (L) satisfy the following relations: 60LULL80 3aUaL2 0bU
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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