Bioactive ceramics and method of preparing bioactive ceramics

Details Bioactive ceramics and method of preparing bioactive ceramics Bioactive ceramics and method of preparing bioactive ceramics

1997-05-01

1999-11-09

Group, Karl

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 63, 501 72, 106 35, 623 16, 623 66, 523114, 523115, C03C 1004, A61F 228

Patent

active

059814128

ABSTRACT:
A bioactive ceramic composition including 47 to 51% SiO.sub.2, 23 to 25% CaO, 23 to 25% Na.sub.2 O and 0 to 6% P.sub.2 O.sub.5, the bioactive ceramic having a bioacitivity level such that the composition forms at least a thin layer of HCA within about 30 hours of implantation into a patient. The bioactive ceramic composition having a crystallinity of 34 to 60 volume percent and a crystalline phase of 1Na.sub.2 O.2CaO.3SiO.sub.2.

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