Tomer, Anil K, et al. “ROOT CANAL TREATMENT OF MANDIBULAR FIRST MOLAR WITH CONSTRICTED CURVED ROOTS USING HYFLEX EDM: A CASE REPORT”. International Journal of Dental and Clinical Study, vol. 3, no. 1, Apr. 2022, pp. 19-23, https://ijdcs.com/index.php/ijdcs/article/view/51.