Silva, E J N L Influence of heat treatment on torsional resistance and surface roughness of nickel-titanium instruments. [electronic resource] - International endodontic journal Nov 2019 - 1645-1651 p. digital Publication Type: Journal Article ISSN: 1365-2591 Standard No.: 10.1111/iej.13164 doi Subjects--Topical Terms: AlloysDental AlloysEquipment DesignEquipment FailureHot TemperatureHumansMaterials TestingNickelRoot Canal PreparationStress, MechanicalTitaniumTorsion, Mechanical