Khanam, S.R. , Ghosh, R. , Hassan, G.S. and Hossain, M. 2022. Maxillary dental arch width changes by extraction and non-extraction orthodontic treatment among angle’s class I malocclusion patients. Update Dental College Journal. 12, 2 (Oct. 2022), 24–26. DOI:https://doi.org/10.3329/updcj.v12i2.60117.