How have alternative bearings (such as metal-on-metal, highly cross-linked polyethylene, and ceramic-on-ceramic) affected the prevention and treatment of osteolysis? AAOS/NIH Osteolysis and Implant Wear: Biological, Biomedical Engineering, and Surgical Principles Callaghan, J. J., Cuckler, J. M., Huddleston, J. I., Galante, J. O. AMER ACAD ORTHOPAEDIC SURGEONS. 2008: S33–S38


Osteolysis is a multifactorial process dependent on surgical technique, implant design, patient factors, and material composition. Alternative bearing surfaces, such as highly cross-linked polyethylene, ceramic-on-ceramic, and metal-on-metal articular surfaces, have been introduced in an attempt to reduce wear and osteolysis following total hip arthroplasty. Intermediate-term follow-up data available suggest that the prevalence and severity of osteolysis may be reduced with these materials compared with conventional metal-on-polyethylene bearing surface couples. However, long-term data are presently unavailable; the future performance of these bearings awaits clinical validation.

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View details for PubMedID 18612011