AI Article Synopsis
- The study evaluated the cyclic fatigue and torsional resistance of four dental files at body temperature (35° ± 1°C) and measured factors like time to fracture and torque.
- The Reciproc Blue file exhibited the highest time to fracture, followed by Wave One Gold and Unicone Plus, while Unicone showed the highest torque and lowest angular deflection.
- Scanning electron microscopy revealed typical failure features, indicating that Unicone had the lowest time and angular deflection at fracture, while Reciproc Blue had the highest time and angular deflection values.
Article Abstract
This study investigated the cyclic fatigue and torsional resistance of Unicone Plus (UCP 25.06), Unicone (UC 25.06), Reciproc Blue (RB 25.08) and Wave One Gold (WOG 25.07) performed at body temperature (35° ± 1°C). Time and number of cycles to fracture (NCF), as well as torque and angular deflection were recorded. Fractured surfaces were evaluated by scanning electron microscopy (SEM). Data were analysed using one-way ANOVA and Holm-Sidak's tests for multiple comparison. The RB had a significantly higher time to fracture, followed by the WOG and UCP (p < 0.05). Regarding the NCF, there was no significantly difference between RB and WOG (p > 0.05). UC presented highest torque values and the lowest angular deflection (p < 0.05). SEM analysis demonstrated typical failures features in both cyclic and torsional fatigue tests. Overall, UC had the lowest time, NCF and angular deflection at fracture. RB presented the highest time to fracture and angular deflection values.
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| http://dx.doi.org/10.1111/aej.12774 | DOI Listing |
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