Bajracharya, D., Ojha, B., Koju, S., Maharjan, N., & Shah, A. (2022). Applicability of Pulp Tooth Area Ratio in Age Estimation using Mandibular Premolars. Orthodontic Journal of Nepal, 12(1), 12–16. https://doi.org/10.3126/ojn.v12i1.47482