Periprosthetic Bone Mineral Density Change after Total Knee Arthroplasty: Titanium Alloy versus Cobalt-Chromium
Department of Orthopaedic Surgery, Seoul National University Hospital, Seoul, KOREA, REPUBLIC OF
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Summary: Total knee arthroplasty may cause postoperative periprosthetic bone mienral density(pBMD) change due to stress shielding. This study aimed at comparing effect of implant materials (Titanium alloy vs. Cobalt-chromium) on pBMD change through prospective randomized controlled study.