SHAHEEN, A.; ILYAS, M.; HAMID, W. U. Micro-leakage around orthodontic brackets with direct and indirect bonding. Pakistan Orthodontic Journal, [S. l.], v. 8, n. 2, p. 98–103, 2017. Disponível em: https://poj.org.pk/index.php/poj/article/view/146. Acesso em: 17 apr. 2026.