Cyclic fatigue resistances of Hyflex EDM, WaveOne gold, Reciproc blue and 2shape NiTi rotary files in different artificial canals

[Abstract] The aim of the present study was to compare the cyclic fatigue resistances of HyFlex EDM (HEDM), WaveOne Gold (WOG), Reciproc Blue (RB), and 2Shape (TS) NiTi systems having different metallurgic properties. HEDM, WOG, RB, and TS instruments were rotated in artificial canals which were mad...

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Veröffentlicht in:	Odontology 2018-10, Vol.106 (4), p.408-413
Hauptverfasser:	Özyürek, Taha, Gündoğar, Mustafa, Uslu, Gülşah, Yılmaz, Koray, Staffoli, Simone, NM, Grande, Plotino, Gianluca, Polimeni, Antonella
Format:	Artikel
Sprache:	eng
Schlagworte:	Data processing Dental Instruments Dental restorative materials Dentistry Equipment Design Equipment Failure Analysis Materials fatigue Materials Testing Medicine Nickel - chemistry Oral and Maxillofacial Surgery Original Article Root Canal Preparation - instrumentation Stainless steel Stress, Mechanical Time Factors Titanium - chemistry
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Zusammenfassung:	[Abstract] The aim of the present study was to compare the cyclic fatigue resistances of HyFlex EDM (HEDM), WaveOne Gold (WOG), Reciproc Blue (RB), and 2Shape (TS) NiTi systems having different metallurgic properties. HEDM, WOG, RB, and TS instruments were rotated in artificial canals which were made of stainless steel with an inner diameter of 1.5 mm 45°, and 90° angles of curvatures and a radius of curvature of 5 mm until fracture occurred, and the time to fracture (TTF) was recorded in seconds. Also, number of cycles to fracture was calculated (NCF). Data were statistically analyzed using Kruskal-Wallis and t test. The statistical significance level was set at P
ISSN:	1618-1247 1618-1255
DOI:	10.1007/s10266-018-0340-y