Effects of 10% Carbamide Peroxide Bleaching Agent on the Surface Roughness and Microhardness of Direct and Indirect Composite Resins
XING Wen-zhong, JIANG Tao, LI Rong, LIANG Shan-shan, WANG Yi-ning
Journal of Oral Science Research . 2015, (9): 871 -875 .