Research Article

Backside Wear Analysis of Retrieved Acetabular Liners with a Press-Fit Locking Mechanism in Comparison to Wear Simulation In Vitro

Figure 11

Photographs with microscope from P-Cup retrieved liner after 37 months in situ; (a) Section  2: machining lines clearly visible with no major wear marks; (b) Section  3: screw holes visible but not palpable, with machining lines clearly visible and the periphery scratched and burnished with embedded particles; (c) Section  4: pitting and machining marks still visible; (d) Section  5: area with embedded particles and covered with scratches, machining marks partially visible; (e) Section  6: small pitting visible; (f) Section  7: area with abrasion marks.
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