Sohail, K., Nawaz, E., Durrani, O. K., Akram, D., Imtiaz, A., Iqbal, A., Bhatti, W. A. and Bashir, U. (2016) “Comparison of perceptions of laypersons, dentists and orthodontists to altered smile aesthetics”, Pakistan Orthodontic Journal, 7(2), pp. 76–82. Available at: https://www.poj.org.pk/index.php/poj/article/view/123 (Accessed: 4 June 2026).