AAOS: Wear of oxinium/cobalt-chrome on standard/cross-linked polyethylene .
Randomized Controlled Trial Comparing Wear of Oxinium and Cobalt-Chrome on Standard and Cross-Linked Polyethylene
80 patients (91 hips) undergoing total hip arthroplasty were randomly allocated to one of four bearing surfaces: cobalt-chrome (CoCr) & standard polyethylene, CoCr & cross-linked polyethylene (XLPE), oxinium & standard polyethylene, or oxinium & XLPE, to compare long-term polyethylene wear rate between groups. Results indicated that the wear rate was significantly reduced with cross-linked polyethylene compared to a standard polyethylene liner, regardless of which femoral head material (oxinium or cobalt-chrome) was used.
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