A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 6/027 (2006.01) A61K 6/06 (2006.01) A61K 6/083 (2006.01)
Patent
CA 2722653
A dental composition of the present invention includes: a polymerizable monomer (A); an amorphous filler (B) having an average particle size of 1 to 20 µm and including silica-based fine particles and coatings of an oxide that cover the surfaces of the silica-based fine particles; and inorganic particles (C) having an average particle size of 0.1 to 1.0 µm. The oxide contains a zirconium atom, a silicon atom, and an oxygen atom. It is preferable that the dental composition contain 50 to 400 parts by weight of the filler (B) and 100 to 400 parts by weight of the inorganic particles (C) per 100 parts by weight of the polymerizable monomer (A).
L'invention concerne une composition dentaire contenant un monomère polymérisable (A), une charge amorphe (B) qui contient de fines particules de silice et un oxyde qui recouvre les surfaces des fines particules de silice et qui contient un atome de zirconium, un atome de silicium et un atome d'oxygène, et présente un diamètre de particule moyen de 1 à 20 µm, et des particules inorganiques (C) qui présentent un diamètre de particule moyen de 0,1 à 1,0 µm. Il est préférable que 50 à 400 parties en poids de la charge (B) et 100 à 400 parties en poids des particules inorganiques (C) soient contenues pour 100 parties en poids du monomère polymérisable (A).
Jgc Catalysts And Chemicals Ltd.
Kirby Eades Gale Baker
Kuraray Medical Inc.
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