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Five failed LPM titanium\u2013niobium coated cobalt chromium components were obtained, three distal and two proximal, and subjected to a forensic retrieval analysis. Components were analyzed using a Talysurf contacting profilometer, ZYGO noncontacting profilometer, and environmental-scanning electron microscope. All components were heavily worn. In some regions the titanium\u2013niobium coating had been scratched and penetrated. Elsewhere this coating had been removed where there was minimal scratching, which may have been due to corrosion between the coating and substrate. The osteolysis reported clinically was likely to be linked to the wear debris from the failed titanium\u2013niobium coating and substrate.<\/jats:p>","DOI":"10.1177\/1753193412460627","type":"journal-article","created":{"date-parts":[[2012,9,19]],"date-time":"2012-09-19T03:24:06Z","timestamp":1348025046000},"page":"313-320","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":9,"title":["Analysis of failed Van Straten LPM proximal interphalangeal prostheses"],"prefix":"10.1177","volume":"38","author":[{"given":"M. C.","family":"Bone","sequence":"first","affiliation":[{"name":"School of Mechanical and Systems Engineering, Newcastle University, Newcastle upon Tyne, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. 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