Baek, Seung-Ho Comparison of torsional stiffness of nickel-titanium rotary files with different geometric characteristics. [electronic resource] - Journal of endodontics Sep 2011 - 1283-6 p. digital Publication Type: Comparative Study; Evaluation Study; Journal Article ISSN: 1878-3554 Standard No.: 10.1016/j.joen.2011.05.032 doi Subjects--Topical Terms: Dental AlloysDental EquipmentDental Stress Analysis--methodsElasticityEquipment DesignFinite Element AnalysisNickelRoot Canal Preparation--instrumentationStress, MechanicalTitaniumTorsion, Mechanical