THE EFFECT OF DIFFERENT MATERIAL COMBINATIONS ON WEAR OF AN ARTIFICIAL CERVICAL DISC AS STANDALONE VS. PLACED IN A LIGAMENTOUS MOTION SEGMENT

摘要

Earlier efforts in areas of hip and knee arthroplasties suggest that wear debris, especially from polymeric components, could initiate inflammatory responses leading to peri-prosthetic osteolysis and bone resorption at the implant-bone interface. Aseptic loosening of implants due to particle induced osteolysis is the primary cause of revision surgeries. Metal based implants are considered superior in terms of wear resistance.1"2 However metal-on-metal articulation leads to much smaller sized particulates in comparison to metal-on-polymers.