Smear layer removal by passive ultrasonic irrigation and 2 new mechanical methods for activation of the chelating solution.
Ricardo MachadoIsadora da SilvaDaniel ComparinBianca Araujo Marques de MattosLuiz Rômulo AlbertonUlisses Xavier da Silva NetoPublished in: Restorative dentistry & endodontics (2021)
No irrigation method was able to completely remove the smear layer, especially in the apical third. Using CA for the chelating solution performed better than any form of activation.