Students learn about oral hygiene ahead of national day for dental care

(chinadaily.com.cn/Xinhua)

Updated: 2017-09-20

A medical staff member from Xuanhua district hospital gives knowledge about teeth to students in Houjiamiao central primary school in Zhangjiakou, North China's Hebei province, Sept 18, 2017. [Photo by Chen Xiaodong/China Daily]