Shabbir, O., Hasan, S. R., Wyne, W., Pervez, K., & Sarfraz, T. (2019). Effect of variations in the smile arc and buccal corridor width on smile esthetics from the perspective of an orthodontist, a general dentist and a lay person. Pakistan Orthodontic Journal, 11(1), 9–15. Retrieved from https://poj.org.pk/index.php/poj/article/view/252