Ceramic Materials As Implants

Biomaterials play a key role in the medical devices and implants used for diagnostic or therapeutic purposes. Among these, ceramic materials are vital for hard tissue implants. The use of ceramics is particularly essential for artifical joints like the hip, which are load bearing. The replacement and reconstruction of a segment of diseased or damaged bone also calls for the use of bioceramics. This review covers the application of ceramics in the human body, outlining the specific requirements that call for the use of bioinert alumina, zirconia and the bioactive calcium phosphates.