Interfacial adaptation of an epoxy-resin sealer and a self-etch sealer to root canal dentin using the System B or the single cone technique - Cavenago, Bruno Cavalini; Duarte, Marco Antonio Hungaro; Ordinola-Zapata, Ronald; Marciano, Marina Angélica; Carpio-Perochena, Aldo Enrique del; Bramante, Clóvis Monteiro (Brazilian Dental Journal, 2012)