Ashraf A, Qasim A, Fatima SM, Nawaz A, Butt H, Afzal A. Impact of Duration of Orthodontic Treatment on Periodontal Health and Treatment Needs of Patients : Impact of Duration of Orthodontic Treatment . PJHS-Lahore [Internet]. 2023 Dec. 31 [cited 2024 Dec. 5];4(12):94-8. Available from: https://mail.thejas.com.pk/index.php/pjhs/article/view/1223