Brühl, Marius Tube Technique with Light-curing Composite for Removing Fractured Root Canal Instruments: Influence of Polymerization Cycles and Mechanical Exposure. [electronic resource] - Journal of endodontics Mar 2020 - 425-430 p. digital Publication Type: Journal Article ISSN: 1878-3554 Standard No.: 10.1016/j.joen.2019.12.006 doi Subjects--Topical Terms: Curing Lights, DentalDental Pulp CavityGermanyMaterials TestingPolymerizationRoot Canal PreparationStress, MechanicalTitanium