S. QASIM, A.; S RAHAWI, O.; A SULTAN, A. The Effect of in-office Tooth Whitening on the Microhardness of Esthetic Restoration (An invitro Study). Al-Rafidain Dental Journal, [S. l.], v. 9, n. 1, p. 83–89, 2009. DOI: 10.33899/rden.2009.9002. Disponível em: https://rden.uomosul.edu.iq/index.php/rden/article/view/34953. Acesso em: 12 jan. 2026.