A Comparative in- Vitro Study to Evaluate the Canal Sealing Quality of Several Root Canal Sealers Activated by Ultrasonic Tips. Journal of Hama University , [S. l.], v. 5, n. 7, 2022. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/1204. Acesso em: 6 jun. 2026.