Ferreira, Marcelo do Amaral, Fábio Rodrigo Mandello Rodrigues, Marco Antônio Luersen, and Paulo César Borges. “Closing Loops; Geometry and Mechanical Properties: A Review”. Orthodontic Journal of Nepal 12, no. 1 (August 15, 2022): 64–74. Accessed April 29, 2024. https://www.nepjol.info/index.php/OJN/article/view/47493.