Homogeneous microfilled dental composite material and method of

Details Homogeneous microfilled dental composite material and method of Homogeneous microfilled dental composite material and method of

1998-01-06

2000-02-01

Merriam, Andrew E. G.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523115, 523212, 524264, 524492, 524493, 524494, 428405, C08K 334, A61K 608

Patent

active

060203951

ABSTRACT:
A homogeneous microfilled dental composite material comprised of a mixture of polymerizable monomers and an inorganic filler, wherein said filler is comprised of silane treated fused silica aggregates having a size ranging from submicron to about 160 .mu.m. The aggregates are comprised of agglomerates of fumed silica having an average agglomerate size in the range of approximately 0.5 to 50 .mu.m, and the agglomerates are comprised of primary particles of fumed silica having an average particle size in the range of approximately 1 to 100 nm. The primary particles are interconnected by siloxane bridges formed by burning an organosilane coating on the fumed silica.

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