Pattanaviriyapisan, Chanchai, Chutimaporn Keinprasit, and Wipapun Ritthagol. “Classification and Severity of Malocclusion in Cleft Lip and/or Palate Anomaly”. Thai Journal of Orthodontics 9, no. 2 (September 14, 2020): 15–25. accessed September 2, 2026. https://he01.tci-thaijo.org/index.php/THAIORTHO/article/view/249535.