Shaping Ability, Cyclic Fatigue Resistance and Fractographic Analysis of Hybrid and Reciprocating Nickel Titanium Endodontic Instruments
Abstract
:1. Introduction
2. Materials and Methods
2.1. Shaping Ability Evaluation
2.1.1. Sample Preparation
2.1.2. µCT Scanning and Data Analysis
2.2. Cyclic Fatigue Resistance Test
2.3. Fractographic Analysis
2.4. Statistical Analysis
3. Results
3.1. Shaping Ability Evaluation
3.2. Cyclic Fatigue Resistance Test
3.3. Fractographic Analysis
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Group | n | Volume of Untreated Canal (mm3) | Volume of Removed Dentin (mm3) | Percentage of Unprepared Canal Surface |
---|---|---|---|---|
GN | 20 | 3.54 ± 1.26 | 2.14 ± 0.59 a | 41.66 ± 5.69 a |
WO | 20 | 3.48 ± 1.12 | 2.61 ± 0.71 b | 45.52 ± 5.11 b |
Group | n | Coronal Third | Middle Third | Apical Third |
---|---|---|---|---|
GN | 20 | 0.03 ± 0.02 a | 0.02 ± 0.01 a | −0.01 ± 0.04 a |
WO | 20 | 0.05 ± 0.03 b | 0.04 ± 0.02 b | −0.04 ± 0.05 b |
Measurements | n | Genius | WaveOne |
---|---|---|---|
NCF | 20 | 2141.53 ± 473.38 a | 1583.02 ± 444.35 b |
Length of the fragment (mm) | 20 | 4.35 ± 0.43 | 4.12 ± 0.82 |
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Drukteinis, S.; Peciuliene, V.; Bendinskaite, R.; Brukiene, V.; Maneliene, R.; Nedzinskiene, E. Shaping Ability, Cyclic Fatigue Resistance and Fractographic Analysis of Hybrid and Reciprocating Nickel Titanium Endodontic Instruments. Metals 2020, 10, 172. https://doi.org/10.3390/met10020172
Drukteinis S, Peciuliene V, Bendinskaite R, Brukiene V, Maneliene R, Nedzinskiene E. Shaping Ability, Cyclic Fatigue Resistance and Fractographic Analysis of Hybrid and Reciprocating Nickel Titanium Endodontic Instruments. Metals. 2020; 10(2):172. https://doi.org/10.3390/met10020172
Chicago/Turabian StyleDrukteinis, Saulius, Vytaute Peciuliene, Ruta Bendinskaite, Vilma Brukiene, Rasmute Maneliene, and Egle Nedzinskiene. 2020. "Shaping Ability, Cyclic Fatigue Resistance and Fractographic Analysis of Hybrid and Reciprocating Nickel Titanium Endodontic Instruments" Metals 10, no. 2: 172. https://doi.org/10.3390/met10020172