Evaluation of the Shaping Ability of Three Thermally Treated Nickel–Titanium Endodontic Instruments on Standardized 3D-printed Dental Replicas Using Cone-Beam Computed Tomography
Abstract
:1. Introduction
2. Materials and Methods
2.1. Design and Printing of the Dental Replicas
2.2. Preoperative CBCT Scanning
2.3. Shaping of the Dental Replicas
2.4. Postoperative CBCT Scanning
3. Results
Statistical Analysis
3.1. Canal Transportation
3.1.1. Mesio-Distal Transportation
3.1.2. Bucco-Lingual Transportation
3.2. Centring Ability
3.3. Canal Curvature
4. Discussion
Limitations
5. Conclusions
- Reciproc Blue induced more significant mesial and buccal root canal transportation than WaveOne Gold and ProTaper Gold;
- The centring ability was lower for WaveOne Gold in the mesio-distal direction, and for Reciproc Blue in the bucco-lingual direction;
- Reciproc Blue recorded the highest value for straightening the angle of curvature following the shaping of the simulated root canals, while ProTaper Gold was the system that changed the angle of curvature the least;
- ProTaper Gold shaping system showed a more anatomic pattern of preparation with less root canal transportation, a better centring ability, and a lower tendency to straighten the curvature of the simulated root canal.
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Level of Investigation | System (n = 20/Group) | Mesio-Distal Transportation | Bucco-Lingual Transportation | Mesio-Distal Centring | Bucco-Lingual Centring |
---|---|---|---|---|---|
Mean ± SD | |||||
3 mm | Reciproc Blue (RB) | 0.0935 ± 0.0873 * | 0.0525 ± 0.0363 | 0.6901 ± 0.1741 | 0.7550 ± 0.1447 |
Wave One Gold (WOG) | 0.0520 ± 0.0329 | 0.0395 ± 0.0157 | 0.6886 ± 0.1587 | 0.7920 ± 0.0912 | |
ProTaper Gold (PTG) | 0.0410 ± 0.0255 | 0.0495 ± 0.0161 | 0.7072 ± 0.1344 | 0.7601 ± 0.0674 | |
6 mm | RB | 0.0525 ± 0.0414 | 0.0845 ± 0.0465 * | 0.7624 ± 0.1802 | 0.6124 ± 0.1392 * |
WOG | 0.0950 ± 0.0960 * | 0.0390 ± 0.0460 | 0.7029 ± 0.2745 | 0.7535 ± 0.1939 | |
PTG | 0.1585 ± 0.0579 * | 0.0380 ± 0.0257 | 0.6198 ± 0.1063 | 0.7025 ± 0.1779 | |
9 mm | RB | 0.1770 ± 0.0628 | 0.0295 ± 0.0302 | 0.5547 ± 0.1137 | 0.8378 ± 0.1515 |
WOG | 0.2555 ± 0.1518 | 0.0310 ± 0.0524 | 0.4185 ± 0.2226 * | 0.8538 ± 0,2242 | |
PTG | 0.2405 ± 0.0877 | 0.0570 ± 0.0564 | 0.5113 ± 0.1441 | 0.7842 ± 0.1522 | |
Mean ± SD | |||||
Canal | RB | 2.58 ± 0.8115 * | |||
curvature | WOG | 1.72 ± 0.4043 | |||
angle | PTG | 0.95 ± 0.4020 |
Levels of Investigation | Mesio-Distal Centring Ability p-Value | Bucco-Lingual Centring Ability p-Value |
---|---|---|
3 mm | 0.916488 | 0.502930 |
6 mm | 0.084446 | * 0.038197 |
9 mm | * 0.037258 | 0.442457 |
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Orel, L.; Velea-Barta, O.-A.; Nica, L.-M.; Boscornea-Pușcu, A.-S.; Horhat, R.M.; Talpos-Niculescu, R.-M.; Sinescu, C.; Duma, V.-F.; Vulcanescu, D.-D.; Topala, F.; et al. Evaluation of the Shaping Ability of Three Thermally Treated Nickel–Titanium Endodontic Instruments on Standardized 3D-printed Dental Replicas Using Cone-Beam Computed Tomography. Medicina 2021, 57, 901. https://doi.org/10.3390/medicina57090901
Orel L, Velea-Barta O-A, Nica L-M, Boscornea-Pușcu A-S, Horhat RM, Talpos-Niculescu R-M, Sinescu C, Duma V-F, Vulcanescu D-D, Topala F, et al. Evaluation of the Shaping Ability of Three Thermally Treated Nickel–Titanium Endodontic Instruments on Standardized 3D-printed Dental Replicas Using Cone-Beam Computed Tomography. Medicina. 2021; 57(9):901. https://doi.org/10.3390/medicina57090901
Chicago/Turabian StyleOrel, Laura, Oana-Alexandra Velea-Barta, Luminita-Maria Nica, Andreea-Simona Boscornea-Pușcu, Razvan Mihai Horhat, Roxana-Maria Talpos-Niculescu, Cosmin Sinescu, Virgil-Florin Duma, Dan-Dumitru Vulcanescu, Florin Topala, and et al. 2021. "Evaluation of the Shaping Ability of Three Thermally Treated Nickel–Titanium Endodontic Instruments on Standardized 3D-printed Dental Replicas Using Cone-Beam Computed Tomography" Medicina 57, no. 9: 901. https://doi.org/10.3390/medicina57090901