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Publisher DOI: 10.1016/j.arth.2018.07.017
Title: Head taper corrosion causing head bottoming out and consecutive gross stem taper failure in total hip arthroplasty
Language: English
Authors: Morlock, Michael 
Dickinson, Emilie C. 
Günther, Klaus-Peter 
Bünte, Dennis 
Polster, Valerie 
Keywords: TMZF;disassociation;gross taper failure;head size;taper corrosion
Issue Date: 24-Jul-2018
Publisher: Elsevier
Source: The Journal of arthroplasty 11 (33): 3581-3590 (2018-11)
Journal or Series Name: The journal of arthroplasty 
Abstract (english): Taper corrosion in total hip arthroplasty for bearings with metal heads against polyethylene has developed from an anecdotal observation to a clinical problem. Increased taper wear and even gross taper failure have been reported for one particular design. It is hypothesized that corrosion of the female head taper results in taper widening, allowing the cobalt-chromium head to turn on the stem and wear down the softer titanium alloy by abrasive wear, ultimately causing failure. The purpose of this study is to investigate the time course of this process and the general role of taper dimensions and material in this problem.
DOI: 10.15480/882.1869
ISSN: 1532-8406
Institute: Biomechanik M-3 
Type: (wissenschaftlicher) Artikel
License: CC BY-NC-ND 4.0 (Attribution-NonCommercial-NoDerivatives) CC BY-NC-ND 4.0 (Attribution-NonCommercial-NoDerivatives)
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