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公开(公告)号：US11311350B2
公开(公告)日：2022-04-26
申请号：US16145463
申请日：2018-09-28
Applicant: SHOFU INC.
Inventor： Mamoru Hosokawa , Toshio Kitamura
Abstract: To provide a resin cured body for dental cutting processing used for cutting and machining using a dental CAD/CAM system, wherein the resin cured body consists of the cured body of a composition comprising: (a) an inorganic filler containing 55 wt. % or more of an element belonging to group II and/or group XIII of the periodic table in terms of an oxide, (b) a polymerizable monomer, and (c) a polymerization initiator.
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公开(公告)号：US11744781B2
公开(公告)日：2023-09-05
申请号：US17001853
申请日：2020-08-25
Applicant: SHOFU INC.
Inventor： Mamoru Hosokawa , Hidefumi Fujimura
Abstract: To provide a dental photopolymerizable composition which can prepare a dental restoration with excellent aesthetic and mechanical properties by optical three-dimensional modeling method (stereolithography). The dental photopolymerizable composition for 3D printer of the present invention comprises: a (a) (meth)acrylate-based polymerizable monomer consisting of a (a1) (meth)acrylate-based polymerizable monomer containing a urethane structure and a (a2) (meth)acrylate-based polymerizable monomer not containing a urethane structure, a (b) cohesive inorganic filler, and a (c) photopolymerization initiator, wherein; a ratio of the (a1) (meth)acrylate-based polymerizable monomer containing a urethane structure and the (a2) (meth)acrylate-based polymerizable monomer not containing a urethane structure in the (a) (meth)acrylate-based polymerizable monomer is 51 to 80: 49 to 20 pts.wt., a ratio of the (a) (meth)acrylate-based polymerizable monomer and the (b) cohesive inorganic filler is 50 to 91: 50 to 9 pts.wt., and the dental photopolymerizable composition for 3D printer contains 0.1 to 5 pts.wt. of the (c) photopolymerization initiator based on 100 pts.wt. of the (a) (meth)acrylate-based polymerizable monomer.
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