Corrosion and wear damage estimations for retrieved knee and hip implants.

Saman Nikpour, Anastasia M Codirenzi, Christine Hoskin, Ubong Eduok, Brent Lanting, Matthew G Teeter, Camila P E de Souza, Yolanda S Hedberg

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Article in Npj Materials degradation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0cells of the map it votes in

0citing papers in PubMed

–field-weighted citation impact

1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

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0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Saman NikpourDepartment of Chemistry, The University of Western Ontario, London, ON Canada.

Anastasia M CodirenziDepartment of Medical Biophysics, Schulich School of Medicine and Dentistry, The University of Western Ontario, London, ON Canada.

Christine HoskinDepartment of Chemistry, The University of Western Ontario, London, ON Canada.

Ubong EduokDepartment of Chemistry, The University of Western Ontario, London, ON Canada.

Brent LantingDepartment of Orthopaedic Surgery, London Health Sciences Centre, University Hospital, London, ON Canada.

Matthew G TeeterDepartment of Orthopaedic Surgery, London Health Sciences Centre, University Hospital, London, ON Canada.

Camila P E de SouzaDepartment of Statistical and Actuarial Sciences, The University of Western Ontario, London, ON Canada.

Yolanda S HedbergDepartment of Chemistry, The University of Western Ontario, London, ON Canada.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Predicting the lifetime and function of orthopedic implants requires learning from failures observed in retrieved implants. This study scored mechanical and corrosion damage based on optical microscopy (OM) for 135 trunnion parts of retrieved hip implants and 106 tibial baseplates of retrieved knee implants. We used scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy to categorize the damage types. This data was correlated with implant and patient factors. Fretting, third-body wear, tribocorrosion, and biofilms were observed. Mechanically assisted corrosion,

Indexed as

DiseasesEngineeringHealth careMaterials scienceMedical research

Identifiers

PMID42698636

DOI10.1038/s41529-026-00821-9

PMCPMC13541609

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.