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Title:
CURABLE COMPOSITION FOR DENTISTRY
Document Type and Number:
WIPO Patent Application WO/2021/054457
Kind Code:
A1
Abstract:
The present invention provides a curable composition for dentistry, the curable composition being suitable as a dental composite resin, etc., that has exceptional mechanical strength in a cured product together with low polymerization shrinkage stress, has low water absorbency, imparts little wear to opposing teeth, and furthermore has a consistency that facilitates filling a tooth cavity. The present invention pertains to a curable composition for dentistry including a polymerizable monomer (A), a filler (B), and a polymerization initiator (C), wherein: the polymerizable monomer (A) includes a polyfunctional (meth)acrylic monomer (A-1) that has a moiety (X) formed from a C1-15 alkoxylene repeating unit and has no aromatic rings, and a polyfunctional (meth)acrylic monomer (A-2) that has an aromatic ring and has no hydroxyl groups; the ratio C/O of the total number of carbon atoms and the total number of oxygen atoms included in the moiety (X) is 2.5-10; the total of the total number of carbon atoms and the total number of oxygen atoms that constitute the main chain of the moiety (X) is 25-60; and the polyfunctional (meth)acrylic monomer (A-1) content is 3-60 parts by mass per 100 parts by mass of the polymerizable monomer (A).

Inventors:
KAJIKAWA TATSUYA (JP)
HORIGUCHI HIROTAKA (JP)
Application Number:
PCT/JP2020/035544
Publication Date:
March 25, 2021
Filing Date:
September 18, 2020
Export Citation:
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Assignee:
KURARAY NORITAKE DENTAL INC (JP)
International Classes:
A61K6/884; A61K6/889
Domestic Patent References:
WO2016163540A12016-10-13
WO2018105463A12018-06-14
Foreign References:
JP2002097109A2002-04-02
JP2014114259A2014-06-26
Attorney, Agent or Firm:
KAMADA Koichi et al. (JP)
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