Dental materials with high abrasion resistance

A - Human Necessities – 61 – K

Patent

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Details

A61K 6/083 (2006.01) A61C 13/08 (2006.01) A61C 13/087 (2006.01) A61K 6/06 (2006.01) A61K 6/08 (2006.01) C08F 20/10 (2006.01) C08L 33/10 (2006.01)

Patent

CA 2471146

Dental materials with high abrasion resistance and their use for producing artificial teeth and/or their enamel or cutting areas are described. The materials primarily contain (a) Monofunctional meth-/acrylates 20 - 50% (b) Crosslinking meth-/acrylate 1 - 20% (c) Splitter polymer from components (2) and (5) 2 - 30% (d) PMMA-pearl polymers, partly crosslinked 2 - 50% (e) Pyrogenic silicic acid, silanated 0 - 20% (f) Inorganically fortified pearl polymer 5 - 50% (g) Initiator components 0.1 - 1% (h) Coloring pigments 0.1 - 3%

Des matériaux pour produits dentaires très résistants à l'abrasion et leur utilisation dans la fabrication de dents artificielles et/ou leur émail ou leurs surfaces coupantes sont décrits. Ces matériaux comprennent principalement : a) des (méth)acrylates monofonctionnels, 20-50 %; b) un (méth)acrylate de réticulation, 1-20 %; c) un polymère de séparation tiré des composants (2) et (5), 2-30 %; d) des polymères PMMA-perle partiellement réticulés, 2-50 %; e) de l'acide silicique pyrogénique, silané, 0-20 %; f) un polymère perle fortifié par procédé inorganique, 5-50 %; g) des composants initiateurs, 0,1 %-1 %; h) des pigments pour coloration, 0,1-3 %.

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