Rueda-Ibarra, V. , Jiménez-Valdés, B.I. , García-García, H.E. , Velázquez-Enríquez, U. , Lucas-Rincón, S.E. , López-Gomez, S.A. and Medina-Solís, C.E. 2020. Using the Periapical Index to evaluate the healing of periapical lesions after root canal treatment. Giornale Italiano di Endodonzia. 34, 2 (Oct. 2020). DOI:https://doi.org/10.32067/GIE.2020.34.02.01.