van der Sluis, L W M A comparison between a smooth wire and a K-file in removing artificially placed dentine debris from root canals in resin blocks during ultrasonic irrigation. [electronic resource] - International endodontic journal Sep 2005 - 593-6 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0143-2885 Standard No.: 10.1111/j.1365-2591.2005.00921.x doi Subjects--Topical Terms: Dental InstrumentsDentinHumansRoot Canal Irrigants--administration & dosageRoot Canal Preparation--instrumentationSmear LayerStatistics, NonparametricUltrasonics