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The study was performed experimentally to predict initial implant stability and cortical bone strains. Computational models were developed to assess the structural cancellous bone behaviour. The use of Elektra implant considerably changed the bone strain behaviour compared with the intact joint. This may be associated with risks of cancellous bone fatigue failure due to overload, particularly in the trapezium. The joint load magnitude has a more important structural role than that of the screw-fit cup insertion technique. Limiting the magnitude of thumb loads after arthroplasty may contribute positively to the longevity of this procedure. <\/jats:p><jats:p> Level of evidence: V <\/jats:p>","DOI":"10.1177\/1753193416659230","type":"journal-article","created":{"date-parts":[[2016,7,17]],"date-time":"2016-07-17T00:18:33Z","timestamp":1468714713000},"page":"930-938","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Total arthroplasty of basal thumb joint with Elektra prothesis: an in vitro analysis"],"prefix":"10.1177","volume":"41","author":[{"given":"A.","family":"Completo","sequence":"first","affiliation":[{"name":"Mechanical Engineering Department, University of Aveiro, Aveiro, Portugal"}]},{"given":"A.","family":"Nascimento","sequence":"additional","affiliation":[{"name":"Orthopaedics Department, Coimbra University Hospital, Portugal"}]},{"given":"F.","family":"Neto","sequence":"additional","affiliation":[{"name":"Mechanical Engineering Department, University of Aveiro, Aveiro, Portugal"}]}],"member":"179","published-online":{"date-parts":[[2016,7,19]]},"reference":[{"key":"bibr1-1753193416659230","unstructured":"ASTM F1839-08(2012). 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