TOMER, D. A. K.; BEHERA, D. A.; DOGRA, D. M.; SAXENA, D. A. K.; MITTAL, D. N.; BHAGAT, D. V. ROOT CANAL RE-TREATMENT OF MAXILLARY FIRST MOLAR WITH FOUR CANALS USING HYFLEX EDM: A CASE REPORT. International Journal of Medical and Biomedical Studies, [S. l.], v. 3, n. 7, p. 163–165, 2019. DOI: 10.32553/ijmbs.v3i7.405. Disponível em: https://www.ijmbs.info/index.php/ijmbs/article/view/405. Acesso em: 7 jun. 2026.