Bonding of bone to materials presenting a high specific area, po

Details Bonding of bone to materials presenting a high specific area, po Bonding of bone to materials presenting a high specific area, po

1978-04-05

1979-10-23

Vertiz, O. R.

Surgery

Truss

Pad

3 1912, 128 92C, 128 92B, 128 92D, 32 10A, 106 52, 106 40R, 156 89, 156325, A61F 124, A61B 1718, C03C 304, C03C 322

Patent

active

041715446

ABSTRACT:
Compositions possessing a porous, high specific area, silica-rich surface, or capable of developing such a surface in vivo, form strong bonds with bone tissue. These compositions are thus excellent materials for dental and surgical implants, or the coatings thereof. Examples of such compositions include highly porous glasses and glass-ceramics comprising at least about 80 weight percent silicon dioxide, hardened inorganic cements such as Portland cement and known silicon dioxide-based biologically active glasses and glass-ceramics. Neither calcium, sodium nor phoshorus compounds are necessary ingredients. Cements which develop the above described surface characteristics in vivo form a strong bond with both bone and implant when used in the fixation of dental and surgical implants, especially those made or coated with a biologically active silicon dioxide-based glass or glass-ceramic.

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