Ashraf, A., Qasim, A., Fatima, S.M., Nawaz, A., Butt, H. and Afzal, A. 2023. Impact of Duration of Orthodontic Treatment on Periodontal Health and Treatment Needs of Patients : Impact of Duration of Orthodontic Treatment . Pakistan Journal of Health Sciences. 4, 12 (Dec. 2023), 94–98. DOI:https://doi.org/10.54393/pjhs.v4i12.1223.