Lin, Shih-Yung, Chris Chang, and W. Eugene Roberts. “Simple Mechanics to Upright Horizontally Impacted Molars With Ramus Screws”. Orthodontic Journal of Nepal 5, no. 2 (July 15, 2016): 42–47. Accessed May 4, 2024. https://www.nepjol.info/index.php/OJN/article/view/15231.