Biologically functional ceramic materials have been known about for several decades, like phosphate cements and gypsum, and they are within the zeroth generation. Modern and artificially synthesized bioceramics include amorphous materials in the Bioglass(R) family that were developed in the early 1970's and derivative glass ceramics such as Bioverit(R) and Cerabone A-W(R) that came in 1980's. They are from the 2nd generation of materials, and mostly...