In-vitro evaluation of apical microleakage of two obturation methods of immature permanent teeth: orthograde apical plug of Mineral Trioxide Aggregate and root canal filling combining custom gutta-percha cone with Calcium Silicate-based sealer. G Ital Endodon [Internet]. 2017 Nov. 30 [cited 2025 Oct. 10];31(2):89-95. Available from: https://www.giornaleitalianoendodonzia.it/gie/article/view/25