MS AL-SAYAGH, N.; J ISMAEL, A. Evaluation of space closure rate during canine retraction with nickel titanium closed coil spring and elastomeric chain. Al-Rafidain Dental Journal, [S. l.], v. 11, n. 1, p. 146–153, 2011. DOI: 10.33899/rden.2011.9127. Disponível em: https://rden.uomosul.edu.iq/index.php/rden/article/view/34728. Acesso em: 12 jan. 2026.