Schäfer, E Effects of four instrumentation techniques on curved canals: a comparison study. [electronic resource] - Journal of endodontics Dec 1996 - 685-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0099-2399 Standard No.: 10.1016/S0099-2399(96)80065-3 doi Subjects--Topical Terms: Dental Pulp Cavity--anatomy & histologyHumansModels, StructuralReproducibility of ResultsRoot Canal Preparation--instrumentation