prov:value
| - Bearing element 38 may be formed from biocompatible metals (such as cobalt chromium steel, surgical steels, titanium, titanium alloys, tantalum, tantalum alloys, aluminum, etc.), ceramics, polyethylene, biocompatible polymers, and other materials known in the prosthetic arts, and bearing surface 40 may be formed from biocompatible metals (such as cobalt chromium steel, surgical steels, titanium, t
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