Composite materials and adhesion promoters for dental...

Details Composite materials and adhesion promoters for dental... Composite materials and adhesion promoters for dental...

A - Human Necessities

61

K

A61K 6/04 (2006.01) A61K 6/083 (2006.01) C07C 321/18 (2006.01) C07C 323/12 (2006.01) C08K 3/08 (2006.01) C08K 3/10 (2006.01) C08K 3/22 (2006.01) C08K 5/37 (2006.01)

Patent

CA 2294013

Composite materials particularly suitable in the dental art as a tooth filling material including a polymer matrix, a metal, metal alloy, metal oxide particulate, or combinations thereof, in the presence or obsence of colloidal silica, and a coupling agent to adhere the particulate to the polymer matrix. Adhesion can also be facilitated by cleaning and/or coating the particulates prior to incorporation into the polymer matrix. One or two paste systems of the composition with suitable initiators, accelerators, etc. can be formulated.

L'invention porte sur des matériaux composites particulièrement adaptés à l'art dentaire et servant à obturer les cavités des dents. Lesdits composites comprennent une matrice de polymère, un métal, un alliage métallique, des particules d'oxydes métalliques, ou leurs combinaisons, en présence ou non de silice, et un agent de couplage faisant adhérer les particules à la matrice de polymère. L'adhérence peut être renforcée par un nettoyage et/ou un revêtement des particules avant leur incorporation à la matrice. On peut prévoir des compositions à un ou deux systèmes de pâtes comprenant les amorceurs, les accélérateurs, etc. idoines.

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