Optical properties of LED light curing unit before and after transmitting different colors and thickness of two kinds of glass ceramics

LIN Hong-lei, LI Qi, YU Hao, HUANG Zheng, ZHENG Ming, CHENG Hui

Shanghai Journal of Stomatology . 2020, (1): 13 -18 . DOI: 10.19439/j.sjos.2020.01.003