Ruiz-Sánchez C, Faus-Matoses V, Alegre-Domingo T, Faus-Matoses I, Faus-Llácer VJ. An in vitro cyclic fatigue resistance comparison of conventional and new generation nickel-titanium rotary files. J Clin Exp Dent. 2018;10(8):e805-9.





1. Parashos P, Messer HH. Rotary NiTi instrument fracture and its consequences. J Endod. 2006;32:1031–43.


2. Spili P, Parashos P, Messer HH.. The impact of instrument fracture on outcome of endodontic treatment. J Endod. 2005;31:845–50.


3. Sattapan B, Nervo GJ, Palamara JE, Messer HH. Defects in rotary nickel-titanium files after clinical use. J Endod. 2000;26:161–5.


4. Shen Y, Coil JM, McLean AGR, Hemerling DL, Haapasalo M. Defects in nickel-titanium instruments after clinical use. Part 5: single use from endodontic specialty practices. J Endod. 2009;35:1363–7.


5. Shen Y, Cheung GS, Bian Z, Peng B. Comparison of defects in ProFile and ProTaper systems after clinical use. J Endod. 2006;32:61–5.


6. Haďkel Y, Serfaty R, Bateman G, Senger B, Allemann C. Dynamic and cyclic fatigue of engine-driven rotary nickel-titanium endodontic instruments. J Endod. 1999;25:434-40.


7. Testarelli L, Plotino G, Al-Sudani D, Vincenzi V, Giansiracusa A, Grande NM, et al. Bending properties of a new nickel-titanium alloy with a lower percent by weight of nickel. J Endod. 2011;37:1293–5.


8. Larsen CM, Watanabe I, Glickman GN, He J. Cyclic fatigue analysis of a new generation of nickel-titanium rotary instruments. J Endod. 2009;35:401–3.


9. Gutmann JL, Gao Y. Alteration in the inherent metallic and surface properties of nickel-titanium root canal instruments to enhance performance, durability and safety: a focused review. Int Endod J. 2012;45:113–28.


10. Johnson E, Lloyd A, Kuttler S, Namerow K. Comparison between a novel nickel-titanium alloy and 508 nitinol on the cyclic fatigue life of ProFile 25/.04 rotary instruments. J Endod. 2008;34:1406–9.


11. Shen Y, Zhou H, Zheng Y, Peng B. Current Challenges and Concepts of the Thermomechanical Treatment of Nickel-Titanium Instruments. J Endod. 2013;39:163–72.


12. Alapati SB, Brantley WA, Iijima M, Clark WA, Kovarik L, Buie C, et al. Metallurgical characterization of a new nickel-titanium wire for rotary endodontic instruments. J Endod. 2009;35:1589–93.


13. Ye J, Gao Y. Metallurgical characterization of M-Wire nickel-titanium shape memory alloy used for endodontic rotary instruments during low-cycle fatigue. J Endod. 2012;38:105–7.


14. Gao Y, Gutmann JL, Wilkinson K, Maxwell R, Ammon D. Evaluation of the impact of raw materials on the fatigue and mechanical properties of ProFile Vortex rotary instruments. J Endod. 2012;38:398–401.


15. Gao Y, Shotton V, Wilkinson K, Phillips G, Ben W. Effects of Raw Material and Rotational Speed on the Cyclic Fatigue of ProFile Vortex Rotary Instruments. J Endod. 2010;36:1205–9.


16. Plotino G, Grande NM, Cotti E, Testarelli L, Gambarini G. Blue Treatment Enhances Cyclic Fatigue Resistance of Vortex Nickel-Titanium Rotary Files. J Endod. 2014;40:1451–3.


17. Pérez-Higueras JJ, Arias A, de la Macorra JC, Peters OA. Differences in Cyclic Fatigue Resistance between ProTaper Next and ProTaper Universal Instruments at Different Levels. J Endod. 2014;40:1477–81.


18. Anderson ME, Price JW, Parashos P. Fracture Resistance of Electropolished Rotary Nickel-Titanium Endodontic Instruments. J Endod. 2007;33:1212–6.


19. Rapisarda E, Bonaccorso A, Tripi TR, Condorelli GG, Torrisi L. Wear of nickel-titanium endodontic instruments evaluated by scanning electron microscopy: effect of ion implantation. J Endod. 2001;27:588–92.


20. Li U, Iijima M, Endo K, Brantley WA, Alapati SB, Lin CP. Application of Plasma Immersion Ion Implantation for Surface Modification of Nickel- titanium Rotary Instruments. Dent Mater J. 2007;26:467–73.


21. Nguyen HH, Fong H, Paranjpe A, Flake NM, Johnson JD, Peters OA. Evaluation of the resistance to cyclic fatigue among protaper next, ProTaper universal, and vortex blue rotary instruments. J Endod. 2014;40:1190–3.


22. Pruett JP, Clement DJ, Carnes DL. Cyclic fatigue testing of nickel-titanium endodontic instruments. J Endod. 1997;23:77–85.


23. Plotino G, Grande NM, Cordaro M, Testarelli L, Gambarini G. A review of cyclic fatigue testing of nickel-titanium rotary instruments. J Endod. 2009;35:1469–76.


24. Castelló-Escrivá R, Alegre-Domingo T, Faus-Matoses V, Román-Richon S, Faus-Llácer VJ. In vitro comparison of cyclic fatigue resistance of ProTaper, WaveOne, and Twisted Files. J Endod. 2012;38:1521–4.


25.Montenegro-Santillán R, Alegre-Domingo T, Faus-Matoses V, Faus-Llácer V. An in vitro comparison of cyclic fatigue resistance of ProTaper universal and GT series X files. Med Oral Patol Oral Cir Bucal. 2013;18:e533–6.
PMid:23385505 PMCid:PMC3668885


26. Kim HC, Cheung GS, Lee CJ, Kim BM, Park JK, Kang SI. Comparison of forces generated during root canal shaping and residual stresses of three nickel-titanium rotary files by using a threedimensional finite-element analysis. J Endod. 2008;34:743–7.


27. Kuhn G, Tavernier B, Jordan L. Influence of structure on nickel-titanium endodontic instruments failure. J Endod. 2001;27:516–20.


28. Kim HC, Yum J, Hur B, Cheung GS. Cyclic fatigue and fracture characteristics of ground and twisted nickel-titanium rotary files. J Endod. 2010;36:147–52.


29. Gavini G, Pessoa OF, Barletta FB, Vasconcellos MA, Caldeira CL. Cyclic fatigue resistance of rotary nickel-titanium instruments submitted to nitrogen ion implantation. J Endod. 2010;36:1183–6.


30. Oh SR, Chang SW, Lee Y, Gu Y, Son WJ, Lee W, et al. A comparison of nickel-titanium rotary instruments manufactured using different methods and cross-sectional areas: ability to resist cyclic fatigue. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2010;109:622–8.


31. Pérez-Higueras JJ, Arias A, de la Macorra JC. Cyclic fatigue resistance of K3, K3XF, and twisted file nickel-titanium files under continuous rotation or reciprocating motion. J Endod. 2013;39:1585–8.


32. Lopes HP, Ferreira AA, Elias CN, Moreira EJ, de Oliveira JC, Siqueira JF Jr. Influence of rotational speed on the cyclic fatigue of rotary nickel-titanium endodontic instruments. J Endod. 2009;35:1013–6.


33. Al-Sudani D, Grande NM, Plotino G, Pompa G, Di Carlo S, Testarelli L, et al. Cyclic fatigue of nickel-titanium rotary instruments in a double (S-shaped) simulated curvature. J Endod. 2012;38:987–9.