van der Sluis, L W M The efficacy of ultrasonic irrigation to remove artificially placed dentine debris from human root canals prepared using instruments of varying taper. [electronic resource] - International endodontic journal Oct 2005 - 764-8 p. digital Publication Type: Journal Article ISSN: 0143-2885 Standard No.: 10.1111/j.1365-2591.2005.01018.x doi Subjects--Topical Terms: Analysis of VarianceCuspidDental InstrumentsDental Pulp Cavity--anatomy & histologyDentinHumansRoot Canal IrrigantsRoot Canal Preparation--instrumentationSmear LayerSodium HypochloriteUltrasonics