Ozone therapy as an adjuvant for endondontic protocols: microbiological – ex vivo study and citotoxicity analyses - Nogales, Carlos Goes; Ferreira, Marina Beloti; Montemor, Antonio Fernando; Rodrigues, Maria Filomena de Andrade; Lage Marques, José Luiz Silva; Antoniazzi, João Humberto (Journal of Applied Oral Science, 2016)