Mohamed Khazin, S. and Mustaffa, M. 2022. Management of radix entomolaris on permanent mandibular first molar complicated with ledge: a case report. IIUM Journal of Orofacial and Health Sciences. 3, 1 (Mar. 2022), 147–152. DOI:https://doi.org/10.31436/ijohs.v3i1.117.