In vitro evaluation of methylene blue removal from root canal after Photodynamic Therapy - Ramalho, Karen Muller; Cunha, Sandra Ribeiro; Mayer-Santos, Eric; Eduardo, Carlos de Paula; Freitas, Patrícia Moreira de; Aranha, Ana Cecilia Corrêa; Moura Netto, Cacio de (Photodiagnosis and Photodynamic Therapy, 2017)