Mechanical Properties of the New Generation RACE EVO and R-Motion Nickel–Titanium Instruments
Abstract
:1. Introduction
2. Materials and Methods
2.1. Dynamic Cyclic Fatigue Resistance
2.2. Bending Resistance
2.3. Torsional Resistance
2.4. Differential Scanning Calorimetry
2.5. Scanning Electron Microscopy
2.6. Statistical Analysis
3. Results
4. Discussion
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Groups | TTF Median (Min–Max) | FL Median (Min–Max) |
---|---|---|
RaCe | 583.91 (497.86–789.78) c | 5.63 (5.04–5.85) a |
RACE EVO | 706.53 (598.42–789.78) b | 5.69 (5.09–5.91) a |
R-Motion | 1579.16 (1365.39–1965.12) a | 5.59 (5.42–5.80) a |
Groups | Torsion (N·cm) | Angle of Rotation (°) | Bending (N·cm) |
---|---|---|---|
RaCe | 1.89 (1.83–2.28) a | 552.31 (498.99–599.38) b | 2.06 (1.77–2.14) a |
RACE EVO | 1.26 (1.22–1.52) b | 670.56 (602.36–985.64) a | 1.37 (1.18–1.43) b |
R-Motion | 1.27 (1.22–1.58) b | 642.23 (572.24–936.35) a | 1.29 (1.10–1.1.58) b |
Bending Resistance (N·cm) | Torsional Resistance (N·cm) | Angle of Rotation (Degree) | |
---|---|---|---|
Time to fracture (sec) | r = −0.68 *; p < 0.001 | r = −0.574 *; p < 0.001 | r = −0.427 *; p = 0.01 |
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Basturk, F.B.; Özyürek, T.; Uslu, G.; Gündoğar, M. Mechanical Properties of the New Generation RACE EVO and R-Motion Nickel–Titanium Instruments. Materials 2022, 15, 3330. https://doi.org/10.3390/ma15093330
Basturk FB, Özyürek T, Uslu G, Gündoğar M. Mechanical Properties of the New Generation RACE EVO and R-Motion Nickel–Titanium Instruments. Materials. 2022; 15(9):3330. https://doi.org/10.3390/ma15093330
Chicago/Turabian StyleBasturk, Fatima Betul, Taha Özyürek, Gülşah Uslu, and Mustafa Gündoğar. 2022. "Mechanical Properties of the New Generation RACE EVO and R-Motion Nickel–Titanium Instruments" Materials 15, no. 9: 3330. https://doi.org/10.3390/ma15093330