Root canal treatment of severely calcified teeth with use of coneBeam computed tomography as an intraoperative resource - Quaresma, Sérgio André Lopes; Costa, Rui Pereira da; Petean, Igor Bassi Ferreira; Sousa, Alice Corrêa Silva; Mazzi-Chaves, Jardel Francisco; Ginjeira, António; Sousa Neto, Manoel Damião de (Iranian Endodontic Journal, 2022)