“ A New Improved Protocol for in Vitro Intratubular Dentinal Bacterial Contamination for Antimicrobial Endodontic Tests: Standardization and Validation by Confocal Laser Scanning Microscopy ”. Journal of Applied Oral Science, vol. 23, no. 6, Dec. 2015, pp. 591-8, https://doi.org/10.1590/1678-775720140261.