Panezai S, Mengal N, Ahmed SN. COLLUM’S ANGLE AND CROWN ROOT ANGLE OF MAXILLARY INCISORS IN DIFFERENT MALOCCLUSIONS. Pak Armed Forces Med J [Internet]. 2021 Feb. 24 [cited 2025 Aug. 2];71(1):238-42. Available from: https://www.pafmj.org/PAFMJ/article/view/4983