Evaluation of cyclic fatigue resistance of modern Nickel–Titanium rotary instruments with continuous rotation | Zendy

Massimo Amato | Zendy; Giuseppe Pantaleo | Zendy; Dina Abdellatif | Zendy; A Blasi | Zendy; Roberto Lo Giudice | Zendy; Alfredo Iandolo | Zendy

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Evaluation of cyclic fatigue resistance of modern Nickel–Titanium rotary instruments with continuous rotation

Author(s) -

Massimo Amato,

Giuseppe Pantaleo,

Dina Abdellatif,

A Blasi,

Roberto Lo Giudice,

Alfredo Iandolo

Publication year - 2017

Publication title -

giornale italiano di endodonzia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.16

H-Index - 10

eISSN - 1971-1425

pISSN - 1121-4171

DOI - 10.1016/j.gien.2017.09.002

Subject(s) - humanities , nickel titanium , physics , mathematics , computer science , art , artificial intelligence , shape memory alloy

Aim: The aim of present study was to compare cyclic fatigue resistance of three modern Ni–Ti instruments used with continuous rotation.Materials and methods: For this study 3 groups of rotating instruments with continuous rotation (HyFlex EDM, Twisted File Adaptive, Revo S SU) have been used, each group consisted of 20 files. The various groups were subjected to cyclic fatigue testing through an artificial metal device. A statistical analysis with Kruskal–Wallis test and Mann–Whitney test was performed.Results: There were statistically significant differences between the three groups. The HyFlex EDM instruments have a fracture resistance slightly higher than the Twisted file and far higher than Revo S SU.Conclusions: Modern Ni–Ti alloys increase resistance of the rotating instruments to cyclic fatigue

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