Travassos , Rosana Maria Coelho, et al. “RETREATMENT OF A LOWER RIGHT FIRST MOLAR WITH 4 ROOT CANALS WITH WIDE SOLLAS COLLORS FILES #60.03”. ARACÊ , vol. 7, no. 7, July 2025, pp. 37663-71, https://doi.org/10.56238/arev7n7-144.