Dental composite restorative material and method of...

C - Chemistry – Metallurgy – 08 – L

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C08L 101/12 (2006.01) A61J 1/00 (2006.01) B65D 81/30 (2006.01) C08K 7/00 (2006.01)

Patent

CA 2559941

A dental composite material includes a hardenable resin matrix and a filler component. The filler component includes (a) a first plurality of preferably glass particles having an average particle size of from about 1 to about micrometers; (b) a second plurality of preferably glass particles having an average particle size of from about 0.1 to about 1 micrometers; and (c) a plurality of filler particles having an average particle size of from about 0.01 to about 0.04 micrometers. A method according to the invention includes compacting a dental composite material into a prepared tooth cavity, wherein the material has a packability index above about 300 g/mm2.

Substance composite dentaire comprenant une matrice de résine durcissable et un composé de remplissage. Ce composé comprend a) une première série de particules, de préférence en verre, dont la grosseur des particules vont d'environ 1 à micromètres; b) une seconde série de particules, de préférence en verre, dont la grosseur est comprise entre environ 0,1 et 1 micromètre; c) une série de particules de remplissage dont la grosseur des particules est comprise entre environ 0,01 et 0,04 micromètre. Une méthode correspondant à l'invention comprend le compactage d'une substance composite dentaire dans une cavité dentaire préparée; la substance a un indice de compactage supérieur à environ 300 g/mm2.

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