Y JASIM, F.; GH AL–SHAHERY, W. Comparison of stainless steel and nickel–titanium coil springs effects on the space closure rate (in vitro study). Al-Rafidain Dental Journal, [S. l.], v. 11, n. 3, p. 193–198, 2011. DOI: 10.33899/rden.2011.164452. Disponível em: https://rden.uomosul.edu.iq/index.php/rden/article/view/35194. Acesso em: 11 jan. 2026.