1.
Iandolo A, Valletta A, Carratù P, Castiello G, Rengo S. Endodontic retreatment of maxillary first molar: the importance of the fourth canal. G Ital Endodon [Internet]. 2016 Jun. 30 [cited 2024 Dec. 5];30(1):27-32. Available from: https://www.giornaleitalianoendodonzia.it/gie/article/view/46