Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Post-treatment Apical Periodontitis: Histobacteriologic and Histopathologic Findings.

Journal of endodontics·2026

Same author

Root Canal Microbiome in Patients Undergoing Antineoplastic Therapy: A Next-generation Sequencing Study.

Journal of endodontics·2026

Same author

Placement and Removal of Calcium Hydroxide and a Bioceramic Medication in Type-II Mesial Molar Canals: A Micro-computed Tomographic Study.

Journal of endodontics·2025

Same author

Intracanal Antibacterial Effects of a Bioceramic Medication Compared With Calcium Hydroxide Pastes in Different Vehicles.

Journal of endodontics·2024

Same author

Controlling Root Canal Infection in Oncological Patients with Apical Periodontitis.

Journal of endodontics·2024

Same author

Optically powered FiWi system for B5G hybrid VLC/RF access networks.

Optics express·2024

Same journal

CLINICAL PARAMETER-BASED EVALUATION OF RESTORATIVE TREATMENT DIFFICULTY IN ENDODONTICALLY TREATED TEETH.

Journal of endodontics·2026

Same journal

Clinical Outcome of Replanted Avulsed Anterior Teeth: A Retrospective Cohort Study.

Journal of endodontics·2026

Same journal

Mahidol study 3: Post-operative Effect and Adverse Events of Regenerative Endodontic Procedures in Immature Permanent Teeth.

Journal of endodontics·2026

Same journal

Non-Surgical Management of Horizontal Root Fracture with Necrotic Apical Segment and Coronal Cervical Abfraction Using Mineral Trioxide Aggregate: Case Report.

Journal of endodontics·2026

Same journal

Identification of pain-related biomarkers and the associated potential molecular regulation mechanism in pulpitis by bioinformatics method.

Journal of endodontics·2026

Same journal

AI Prognostic Models in Endodontics: Scoping Review and Clinical Gap Analysis for Retreatment vs Microsurgery Decision Support.

Journal of endodontics·2026

See all related articles

Search research articles

Related Experiment Video

Updated: May 18, 2026

Scanning Electron Microscopic Evaluation of Surface Defects of Remover Retreatment File After Single and Multiple Uses

Scanning Electron Microscopic Evaluation of Surface Defects of Remover Retreatment File After Single and Multiple Uses

Published on: October 11, 2024

Mechanical behavior of pathfinding endodontic instruments.

Hélio P Lopes¹, Carlos N Elias, José F Siqueira

¹Department of Endodontics, Estácio de Sá University, Rio de Janeiro, Rio de Janeiro, Brazil.

Journal of Endodontics

|September 18, 2012

Summary

This summary is machine-generated.

This study compared the mechanical properties of three endodontic pathfinding instruments. Nickel-titanium instruments generally outperformed stainless steel in flexibility and fatigue resistance, suggesting combined use for optimal canal exploration.

More Related Videos

Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System

Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System

Published on: May 5, 2022

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Published on: December 20, 2024

Related Experiment Videos

Last Updated: May 18, 2026

Scanning Electron Microscopic Evaluation of Surface Defects of Remover Retreatment File After Single and Multiple Uses

Scanning Electron Microscopic Evaluation of Surface Defects of Remover Retreatment File After Single and Multiple Uses

Published on: October 11, 2024

Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System

Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System

Published on: May 5, 2022

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Published on: December 20, 2024

Area of Science:

Endodontics
Dental Materials Science
Biomechanical Engineering

Background:

Mechanical properties of endodontic instruments are crucial for successful root canal treatment.
Evaluating pathfinding instruments aids in selecting optimal tools for complex canal anatomy.

Purpose of the Study:

To compare the mechanical properties of three different pathfinding endodontic instruments.
To assess resistance to bending, buckling, cyclic fatigue, and torsional load.

Main Methods:

Mechanical testing including bending (flexibility), buckling, cyclic fatigue, and torsional load assays.
Statistical analysis using ANOVA and Student-Newman-Keuls tests for multiple comparisons.

Main Results:

C-Pilot (stainless steel) showed highest buckling resistance but lowest flexibility and cyclic fatigue resistance.
PathFile demonstrated the highest cyclic fatigue resistance.
Scout RaCe exhibited the highest angular deflection to fracture.

Conclusions:

Nickel-titanium pathfinding instruments (PathFile, Scout RaCe) generally offer superior flexibility and fatigue resistance compared to stainless steel (C-Pilot).
The distinct mechanical behaviors suggest a potential benefit from combining stainless steel and nickel-titanium instruments for exploring narrow, curved canals.
Instrument selection should consider mechanical properties to optimize performance in specific clinical scenarios.