TY - JOUR T1 - Effect of EDTA and QMIX Ultrasonic Activation on the Reduction of Microorganisms and Endotoxins in Ex Vivo Human Root Canals JO - Brazilian Dental Journal A1 - Matos, Felipe de Souza A1 - Khoury, Rayana Duarte A1 - Carvalho, Cláudio Antonio Talge A1 - Martinho, Frederico Canato A1 - Bresciani, Eduardo A1 - Valera, Marcia Carneiro SN - 0103-6440 UL - 10.1590/0103-6440201902470 VL - 30 Y1 - 2019 PB - Brasil ER -