THAPA, B.; WU, L. P. Self-ligating brackets in perspective of friction: A Review. Orthodontic Journal of Nepal, [S. l.], v. 3, n. 2, p. 40–43, 2013. DOI: 10.3126/ojn.v3i2.10079. Disponível em: https://www.nepjol.info/index.php/OJN/article/view/10079. Acesso em: 3 may. 2024.