Bandeca MC, Kuga MC, Jordão-Basso KC, Tonetto MR, Lima SL, Garrido LD, Kalatzis-Sousa NG, Dantas AA, Leonardo RD. Influence of the Number of Bleaching Sessions on Fracture Resistance and Dentin Microhardness of Endodontically Treated Teeth. World J Dent 2017; 8 (1):5-9.