Journal of Dentistry and Oral Care
Comparison of Stress Distribution of Wave One and Reciproc Instruments Using a Finite Element Analysis
- 1Department of Endodontics, Faculty of Dentistry, 19 Mayis University, Samsun, Turkey
- 2Balgat Oral Health Center, Ankara, Turkey
Dr. Ugur INAN, 19 Mayis University, Faculty of Dentistry, Department of Endodontics, 55139 Kurupelit, Samsun, Turkey, Tel: 90 362 3121919/ 3287 (office); Fax: 90 362 457 60 32; E-mail: firstname.lastname@example.org
Inan, U., et al. Comparison of Stress Distribution of WaveOne and Reciproc Instruments Using a Finite Element Analysis. (2016) J Dent & Oral Care 2(1): 1-4.
©2016 Inan, U. This is an Open access article distributed under the terms of Creative Commons Attribution 4.0 International License.
KeywordsFinite element analysis; Fracture; Nickel-titanium
Objective: The aim of this study was to compare and evaluate the stress distribution of two different reciprocating systems (Reciproc R25 and WaveOne Primary) with different cross-sectional geometries under bending or torsional conditions using a finite element model.
Materials and Methods: Size # 25.08 of two different NiTi instruments was selected for the study. 3-D finite element models were constructed for each file and mechanical behavior of these files were compared under bending (1 N and 2 mm) and torsional (2.5 Nmm and 10°) conditions.
Results: Under 1 N bending load, both instruments showed similar mechanical behavior. When a 2 mm deflection applied, Reciproc R25 was more flexible. Torsional tests revealed that WaveOne had lower stress concentrations at 10° rotation. When the angle of rotation increased, Reciproc R25 had lower stress concentration.
Conclusion: WaveOne Primary showed comparable flexibility to Reciproc R25 under high bending loads and low torsional forces.