Dental materials with nano-sized silica particles

Details Dental materials with nano-sized silica particles Dental materials with nano-sized silica particles

A - Human Necessities

61

K

A61K 6/083 (2006.01)

Patent

CA 2387215

A dental material comprising a hardenable resin and silica particles dispersed within the hardenable resin, wherein the silica particles have an average diameter of less than about 200nm and are present in an amount greater than about 40 wt% of the weight of the dental material. The dental material may further comprise a heavy metal oxide. The dental material can be used as dental adhesives, artificial crowns, anterior or posterior fillings, casting materials, cavity liners, cements, coating compositions, mill blanks, orthodontic devices, restoratives, prostheses, and sealants.

Matériau dentaire comprenant une résine durcissable dans laquelle sont dispersées des particules de silice, lesdites particules de silice présentant un diamètre moyen inférieur à environ 200 nm et étant présentes en quantité supérieure à environ 40 % en poids du matériau dentaire. Ce matériau dentaire peut, en outre, contenir un oxyde de métaux lourds. Le matériau dentaire peut être utilisé comme résine de scellement, couronnes prothétiques, matériaux d'obturation antérieure ou postérieure, matériaux de plâtrage, fonds isolants, cément, compositions de revêtement, gabarits dentaires, dispositifs orthodontiques, restaurateurs, prothèses et sealants.

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