{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,2]],"date-time":"2025-08-02T14:47:15Z","timestamp":1754146035267,"version":"3.41.2"},"reference-count":14,"publisher":"Georg Thieme Verlag KG","issue":"04","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Wrist Surg"],"published-print":{"date-parts":[[2025,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>\n               Background\u2003Despite the Motec metal-on-metal (MoM) total wrist arthroplasty (TWA) being among the most implanted and most reported implants, there remains concern about the articulation following the issues in hips, where early wear led to catastrophic failure.<\/jats:p><jats:p>\n               Materials and Methods\u2003Explant analysis was undertaken on seven MoM Motec wrists, explanted for technical issues in the first 3 years postimplantation, at the macro-, micro-, and nanoscales.<\/jats:p><jats:p>\n               Results\u2003Compared with unworn Motec implants, five of the explanted heads and five of the cups became smoother in vivo. The articulating surfaces of every explanted component had negative skewness. The articulating surfaces of the components did not show any of the major damage associated with hip implants but did demonstrate multidirectional scratches and dark marks mainly situated toward their equator. Four explants showed indentation marks on the rims of their cups and necks from component impingement. The nano- and macroscale observations suggested abrasive wear to be the dominant wear mechanism. Most components demonstrated evidence of self-polishing.<\/jats:p><jats:p>\n               Conclusion\u2003In the short term, the MoM Motec TWA does not seem to be affected by the wear issues seen in failing MoM total hip replacements with all of the explanted Motec components remaining within manufacturing tolerances<\/jats:p>","DOI":"10.1055\/s-0044-1779731","type":"journal-article","created":{"date-parts":[[2024,2,12]],"date-time":"2024-02-12T19:41:49Z","timestamp":1707766909000},"page":"314-321","source":"Crossref","is-referenced-by-count":1,"title":["Investigation of the In Vivo Performance of Metal-on-Metal Motec Total Wrist Arthroplasty\u2014An Explant Analysis"],"prefix":"10.1055","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1843-0178","authenticated-orcid":false,"given":"G\u00f6ksu","family":"Kandemir","sequence":"additional","affiliation":[{"name":"School of Engineering, Newcastle University, Newcastle upon Tyne, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1314-1166","authenticated-orcid":false,"given":"Harriet S.","family":"Julian","sequence":"additional","affiliation":[{"name":"Department of trauma and Orthopaedics, Liverpool University Hospitals NHS FT, Liverpool, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8497-5790","authenticated-orcid":false,"given":"Thomas J.","family":"Joyce","sequence":"additional","affiliation":[{"name":"School of Engineering, Newcastle University, Newcastle upon Tyne, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0398-7053","authenticated-orcid":false,"given":"Daniel J.","family":"Brown","sequence":"additional","affiliation":[{"name":"Department of trauma and Orthopaedics, Liverpool University Hospitals NHS FT, Liverpool, United Kingdom"},{"name":"Faculty of Health and Life Science, University of Liverpool, Liverpool, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2024,2,12]]},"reference":[{"issue":"02","key":"ref1","doi-asserted-by":"crossref","first-page":"165","DOI":"10.1055\/s-0032-1326728","article-title":"Total wrist replacement: a retrospective comparative study","volume":"1","author":"W Cooney","year":"2012","journal-title":"J Wrist Surg"},{"issue":"05","key":"ref2","doi-asserted-by":"crossref","first-page":"424","DOI":"10.1055\/s-0038-1646956","article-title":"Systematic review of total wrist arthroplasty and arthrodesis in wrist arthritis","volume":"7","author":"O Berber","year":"2018","journal-title":"J Wrist Surg"},{"issue":"01","key":"ref3","doi-asserted-by":"crossref","first-page":"27","DOI":"10.1177\/17531934231195689","article-title":"Complication rates and modes of short and medium-term failure in Motec total wrist arthroplasty: an international cohort 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Br"},{"issue":"01","key":"ref6","doi-asserted-by":"crossref","first-page":"34","DOI":"10.1177\/17531934231194287","article-title":"Impingement-related osteolysis in Motec total wrist arthroplasty: an explant analysis and review of the literature","volume":"49","author":"H S Julian","year":"2024","journal-title":"J Hand Surg Eur Vol"},{"issue":"02","key":"ref7","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1302\/2046-3758.62.BJR-2016-0130.R2","article-title":"Explant analysis of the Biomet Magnum\/ReCap metal-on-metal hip joint","volume":"6","author":"S C Scholes","year":"2017","journal-title":"Bone Joint Res"},{"issue":"02","key":"ref8","doi-asserted-by":"crossref","first-page":"547","DOI":"10.1007\/s10856-012-4815-z","article-title":"Topographical analysis of the femoral components of ex vivo total knee replacements","volume":"24","author":"S C Scholes","year":"2013","journal-title":"J Mater Sci Mater 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Hip Bearings","author":"M Burgett","year":"2013"},{"issue":"01","key":"ref14","doi-asserted-by":"crossref","first-page":"46","DOI":"10.1302\/0301-620X.81B1.0810046","article-title":"Analysis of 118 second-generation metal-on-metal retrieved hip implants","volume":"81","author":"H P Sieber","year":"1999","journal-title":"J Bone Joint Surg Br"},{"issue":"10","key":"ref15","doi-asserted-by":"crossref","first-page":"788","DOI":"10.1016\/j.jhsa.2017.06.097","article-title":"Five- to 10-year prospective follow-up of wrist arthroplasty in 56 nonrheumatoid patients","volume":"42","author":"O Reigstad","year":"2017","journal-title":"J Hand Surg Am"}],"container-title":["Journal of Wrist 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