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Nicola M Grande
Nicola M Grande
Italy
Publications
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Research Article
Cyclic Fatigue of Glide Path Rotary NiTi Files in a Double (S-Shaped) Simulated Curvature
Author(s): Dina Al-Sudani, Gianluca Plotino, Nicola M Grande, Sandro Rengo, Michele Simeone and Gianluca GambariniDina Al-Sudani, Gianluca Plotino, Nicola M Grande, Sandro Rengo, Michele Simeone and Gianluca Gambarini
Objective: The aim of the present study was to compare the fatigue resistance of PathFile (PF) and ProGlider (PG) NiTi (Nickel-Titanium) rotary files in a double (S-shaped) curvature artificial root canal. Methods: The cyclic fatigue of the following rotary NiTi glide path instruments was tested in a double curvature artificial canal, PF (tip size .16 and .02 taper) and PG (tip size .16 and variable taper). Twenty instruments for each group were tested to fracture in continuous rotary motion at 300 rpm. The number of cycles to failure (NCF) was calculated and the length of the fractured fragment was measured. Data were statistically analyzed with a level of significance set at 5%. Results: There was no significant difference in cyclic fatigue resistance between the.. View More»
DOI: 10.4172/2161-1122.1000355