Influence of continuous rotation or reciprocation of Optimum Torque Reverse motion on cyclic fatigue resistance of nickel-titanium rotary instruments.

Eugenio PedullàG CorsentinoE AmbuF RovaiF CampedelliS RapisardaG R La RosaE RapisardaSimone Grandini

Published in: International endodontic journal (2017)

Reciprocation of OTR motion improved significantly cyclic fatigue resistance of all instruments tested compared with continuous rotation. Mtwo and TF had significantly higher cyclic fatigue than the other instruments, in both continuous rotation and reciprocation of OTR motion.

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