Bacterial removal promoted by 2 Single-file systems: wave one and one shape - Nabeshima, Cleber Keiti; Caballero Flores, Hector Valentin; Cai, Silvana; Aranguren, José; Britto, Maria Leticia Borges Britto,; Machado, Manoel Eduardo de Lima (Journal of Endodontics, 2014)