Suleman, Saqib, Sofia Riaz, Lubna Kausar, Haroon Shahid Qazi, and Waheed Ullah. “Insight into Twin Block - A Versatile Appliance”. Pakistan Orthodontic Journal 16, no. 1 (June 27, 2024): 37–45. Accessed June 14, 2026. https://www.poj.org.pk/index.php/poj/article/view/370.