Counterfeit Files in Endodontics: A Systematic Review

October 2, 2025

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Key Points

This review aims to critically evaluate the mechanical, metallurgical, and visual properties of counterfeit endodontic files and propose effective distinguishing approaches.
Conducted a systematic literature search across five electronic databases until August 15, 2025.
Included studies were assessed for methodological quality and risk of bias using adapted criteria from previous systematic reviews.
A total of 703 files were evaluated, comparing 11 original file types with their counterfeit counterparts.
Counterfeit files exhibited systematic differences from original files in mechanical, metallurgical, and visual assessments.
Among included studies, 3 had low, 5 had moderate, and 1 had high risk of bias.
Quantitative analysis was not performed due to heterogeneity in methodological differences and outcome measures.

Systematic review evaluates mechanical and visual properties of counterfeit endodontic files, suggesting clinical caution.

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Unal et al. (2025) studied this question.

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