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 Dent J [Internet]. 2009 Jun. 1 [cited 2026 Jan. 12];9(1):83-9. Available from: https://rden.uomosul.edu.iq/index.php/rden/article/view/34953