Azim, Adham A Comparison between Single-file Rotary Systems: Part 1-Efficiency, Effectiveness, and Adverse Effects in Endodontic Retreatment. [electronic resource] - Journal of endodontics Nov 2018 - 1720-1724 p. digital Publication Type: Journal Article ISSN: 1878-3554 Standard No.: 10.1016/j.joen.2018.07.022 doi Subjects--Topical Terms: Cone-Beam Computed TomographyDebridement--instrumentationDental InstrumentsDental Pulp Cavity--diagnostic imagingEquipment DesignGutta-PerchaHumansIn Vitro TechniquesIncisorMandibleOperative TimeRetreatment--instrumentationRoot Canal Filling MaterialsRoot Canal Preparation--instrumentationTime Factors