Comparative Evaluation of the Ability of Four Reciprocating System to Remove Obturation Material in Maxillary First Molar - An Invitro Study. G Ital Endodon [Internet]. 2026 Jul. 28 [cited 2026 Aug. 13];40(2):15-22. Available from: https://www.giornaleitalianoendodonzia.it/gie/article/view/554