A new improved protocol for in vitro intratubular dentinal bacterial contamination for antimicrobial endodontic tests: standardization and validation by confocal laser scanning microscopy - Andrade, Flaviana Bombarda de; Arias, Marcela Paola Castro; Maliza, Amanda Garcia Alves; Duarte, Marco Antonio Hungaro; Graeff, Márcia Sirlene Zardin; Amoroso-Silva, Pablo Andrés; Midena, Raquel Zanin; Moraes, Ivaldo Gomes de (Journal of Applied Oral Science, 2015)