Taffarel, C.; Bonatto, F. D.; Bonfante, F. do C.; Palhano, H. S.; Vidal, C. de M. P.; Souza, D. C. M. A.; Souza, M. A. Effect of Chemical and Natural Irrigant Solutions on Microhardness of Root Dentin – an in Vitro Study. Braz. J. Oral Sci. 2018, 17, e18409.