%0 Journal Article %T Smear layer removal comparing conventional irrigation, passive ultrasonic irrigation, EndoActivator System, and a new sonic device (Perfect Clean System) by scanning electron microscopy: An ex vivo study %A Gonçalves, Bruna Fernanda Alionço %A Reddy, Divya %A Machado, Ricardo %A Júunior, Paulo César Soares %A Ignácio, Sérgio Aparecido %A Couto, Douglas Augusto Fernandes %A Frasquetti, Karine Santos %A Westphalen, Vânia Portela Ditzel %A Carneiro, Everdan %A Neto, Ulisses Xavier da Silva %J PLoS ONE %V 19 %N 12 %D 2024-12-27 %I Public Library of Science %~ DeepDyve