Sofia Riaz Ahmed, Shehryar Akhtar and Haroon Shahid Qazi (2022) “Assessment of smile parameters in skeletally class I orthodontic patients”, Pakistan Orthodontic Journal, 14(2), pp. 70–76. Available at: https://www.poj.org.pk/index.php/poj/article/view/329 (Accessed: 29 August 2026).