Pedullà, E Influence of rotational speed on the cyclic fatigue of Mtwo instruments. [electronic resource] - International endodontic journal Jun 2014 - 514-9 p. digital Publication Type: Journal Article ISSN: 1365-2591 Standard No.: 10.1111/iej.12178 doi Subjects--Topical Terms: Endodontics--instrumentationMaterials TestingNickelTitanium