A medical worker examines teeth of a student at a school in Lincheng County of Xingtai City, north China's Hebei Province, Sept. 18, 2021. China's Dental Care Day falls on Sept. 20. (Xinhua/Luo Xuefeng)
China's Dental Care Day marked in Lincheng, Hebei
Source: Xinhua| 2021-09-19 13:32:09|Editor: huaxia