Efficacy of different sterilization methods on the inactivation of bacterial endotoxin LPS adhered to endodontic files - Silva, Raquel Assed Bezerra da; Medeiros, Alexandra Ivo de; Faccioli, Lúcia Helena; Assed, Sada; Nelson Filho, Paulo (Annual Meeting of the Sociedad Argentina de Investigación Odontológica (SAIO, 2005)