Effect of cyclic torsional preloading on cyclic fatigue resistance of ProTaper Next and Mtwo nickel-titanium instruments

• Main Authors: Eugenio Pedullà (Author), Fabio Lo Savio (Author), Gianluca Plotino (Author), Nicola Maria Grande (Author), Silvia Rapisarda (Author), Gianluca Gambarini (Author), Guido La Rosa (Author)
• Format: Book
• Published: Ariesdue, 2015-06-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Aim: To evaluate the influence of different torsional preloads on cyclic fatigue resistance of endodontic rotary instruments made by conventional nickel-titanium (NiTi) or M-Wire. Methods: Eighty new Mtwo (#25/0.06) (Sweden & Martina, Due Carrare, Padova, Italy) and ProTaper Next X2 (Dentsply Ma...