Smear layer removal comparing conventional irrigation, passive ultrasonic irrigation, EndoActivator System, and a new sonic device (Perfect Clean System) by scanning electron micro... by Bruna Fernanda Alionço Gonçalves, Divya Reddy, Ricardo Machado, Paulo César Soares Júunior, Sérgio Aparecido Ignácio, Douglas Augusto Fernandes Couto, Karine Santos Frasquetti, Vânia Portela Ditzel Westphalen, Everdan Carneiro, Ulisses Xavier da Silva Neto

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Frequency of consumption and factors associated with hookah use in Curitiba, Brazil: a cross-sectional study by Heloisa Franco de Meira, Paulo Henrique Couto Souza, Juliana Schaia Rocha Orsi, Fernanda Tiboni, Sérgio Aparecido Ignácio, Constanza Andrea Hernandez Meza, Flávia Sukekava, Arieli Carini Michels, Amanda Dallegrave Vicentin, Patricia Lupion Torres, Emanuela Carla dos Santos, Mariana Hornung Marins, Aldini Beuting Pereira, Paula Cristina Trevilatto, Aline Cristina Batista Rodrigues Johann

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