Resin-forming material, implant material and compositions...

C - Chemistry – Metallurgy – 07 – C

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400/7047, 400/91

C07C 69/52 (2006.01) A61K 6/08 (2006.01)

Patent

CA 1254336

7566-781D ABSTRACT OF THE DISCLOSURE Disclosed is a dental filling material comprising (A) from about 50 to about 95% by weight of finely devided inorganic filler material which comprises at least 50% by weight of metal nitride having a Moh's hardness of at least 7 (such as VN, BN, AlN, Si3N4, etc.) and the balance if any being an inorganic dental filler different from the metal nitride and having a Moh's hardness of at least 5, and (B) from about 50 to 5% by weight of monomer, such as Bisphenol A diglycidyl methacrylate, triethyleneglycol, dimethacrylate, bismethacryloxyethory bisphenylpropane, neopentylglycol dimethacrylate, trimethylolpropane triacrylate etc. The filling material, once used, has a high mechanical strength.

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