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Endodontic Rotary Files, What Should an Endodontist Know?
Ana-Belén Dablanca-Blanco1, Pablo Castelo-Baz1, Ramón Miguéns-Vila1
1Unit of Dental Pathology and Therapeutics II, School of Medicine and Dentistry, University of Santiago de Compostela, 15705 Santiago de Compostela, Spain.
Medicina (Kaunas, Lithuania)
|June 24, 2022
Summary
Choosing the right nickel-titanium rotary instruments for root canal treatment requires understanding alloy, geometry, and movement. This review guides clinicians in selecting the best endodontic instruments for successful outcomes.
Area of Science:
- Endodontics
- Dental Materials Science
- Biomaterials Engineering
Background:
- Nickel-titanium (Ni-Ti) rotary systems offer advantages in root canal treatment but present a wide variety and lack of standardization.
- Selecting appropriate Ni-Ti instruments is crucial for effective and safe endodontic procedures.
Purpose of the Study:
- To review and summarize key characteristics of Ni-Ti rotary instruments for endodontic treatment.
- To guide clinicians in selecting the most suitable instruments based on specific case requirements.
Main Methods:
- Literature review of Ni-Ti rotary systems used in root canal treatment.
- Analysis of instrument properties including alloy composition, geometric design, and mechanical behavior.
Main Results:
- Instrument alloy composition significantly influences flexibility and cyclic fatigue resistance.
- Geometric factors such as mass and taper affect instrument behavior and efficiency.
- Rotary motion kinematics are critical for predictable shaping and debridement.
Conclusions:
- Successful root canal treatment necessitates a thorough understanding of Ni-Ti instrument properties and their interaction with tooth anatomy.
- Clinicians must consider instrument characteristics, tooth morphology, and their own skill limitations when selecting and using rotary endodontic files.
- This review provides essential criteria for informed decision-making in instrument selection for root canal therapy.
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