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Cyclic fatigue in NiTi files: a bibliometric and science mapping analysis
Huda Melike Bayram1, Emre Bayram2
1Department of Endodontics, Tokat Gaziosmanpasa University Faculty of Dentistry, Tokat, Turkey. melikealaca@yahoo.com.
Odontology
|August 25, 2025
Summary
This study analyzed nickel-titanium (NiTi) rotary instruments literature, revealing key research trends in cyclic fatigue resistance. Findings guide optimizing instrument durability and reducing endodontic complications.
Area of Science:
- Endodontics
- Materials Science
- Bibliometrics
Background:
- Nickel-titanium (NiTi) rotary instruments are crucial in endodontic procedures.
- Understanding cyclic fatigue resistance is vital for instrument longevity and procedural safety.
Purpose of the Study:
- To systematically map and analyze the scientific literature on the cyclic fatigue resistance of NiTi rotary instruments.
- To identify key research trends, thematic clusters, and international collaboration patterns in this field.
Main Methods:
- Bibliometric and science mapping techniques were employed.
- Analysis of 881 publications from 1980-2024 in the Web of Science Core Collection.
- Utilized Bibliometrix software for keyword co-occurrence, thematic mapping, and co-citation analyses.
Main Results:
- Publication output shows a steady increase over four decades, accelerating post-2010.
- Central themes include "cyclic fatigue," "reciprocation," "heat treatment," and "fracture resistance."
- International collaborations are prominent among North American, East Asian, and European institutions.
Conclusions:
- Innovations in NiTi rotary instrumentation significantly enhance cyclic fatigue resistance.
- This research provides guidance for optimizing instrument durability and advancing endodontic practice.
- Key studies in fatigue testing methodology were identified through citation analysis.
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