Tuladhar, W. , Jaiswal, A.K., Parajuli, U. and Singh, B. 2021. Alveolar bone changes around upper incisors in Class I non extraction patient after orthodontic treatment using cone beam computed tomography. Orthodontic Journal of Nepal. 11, 1 (Aug. 2021), 18–23. DOI:https://doi.org/10.3126/ojn.v11i1.39043.