Aim: The aim of this study is to compare the effects of conventional syringe, passive ultrasonic irrigation (PUI), and EndoIrrigator Plus on the amount of apically extruded debris.
Materials And Methods: Thirty extracted human mandibular premolars were selected and randomly assigned to three groups ( = 10). The root canals were irrigated with conventional syringe, PUI, and EndoIrrigator Plus.