Aluminium oxide and zirconia, called bio-inert ceramics Jacota, 2008, have broad application in orthopaedics because of their high wear resistance; they are used in bone articulation implants, bone cement for filling small defects, reabsorbable materials for stimulating bone regeneration and metallic covered implants Navarro, 2005.
Por su parte, la alúmina y la zirconia, denominadas cerámicas bioinertes Jacota, 2008 tienen aplicación en ortopedia por ser muy resistentes al desgaste.