Is there evidence of metal-on-metal bearing failure in modern total wrist arthroplasty?

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Key Points

This research aims to analyze the evidence regarding the failure of metal-on-metal bearings in total wrist arthroplasty.
Reviewed literature on metal-on-metal (MOM) bearings in wrist arthroplasty and associated complications.
Analyzed case series and reports documenting metallosis in total wrist arthroplasty.
Investigated causes of reported metallosis, including failure of polyethylene bearings and component impingement.
Metallosis in total wrist arthroplasty has been reported, but often due to polyethylene failure or impingement.
Titanium debris was found to be less toxic compared to cobalt and chromium seen in hip replacements.
No evidence indicates that the MOM bearing itself is problematic in modern total wrist arthroplasty.

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Case reviews examine metallosis in total wrist arthroplasty, suggesting that MOM bearings may not be problematic.

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Brown et al. (2026) studied this question.

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