Luni, U., Mahmood, N. E., Ehsan, A. A. and Sakrani, H. (2017) “Apical root resorption in Class II Div 1 malocclusion patients during en-masse maxillary anterior retraction with mini-screws”, Pakistan Orthodontic Journal, 9(1), pp. 2–7. Available at: https://www.poj.org.pk/index.php/poj/article/view/150 (Accessed: 15 August 2026).