Dadalti, Manoela, Fabíola Ormiga, Marcos César Pimenta de Araujo, & Patrícia de Andrade Risso. " Accuracy of the initial diameter of finishing files and gutta-percha cones of the ProTaper Universal® system." Revista Científica do CRO-RJ (Rio de Janeiro Dental Journal) [Online], 3.2 (2018): 32-36. Web. 22 Abr. 2019