Effects of sealing the first permanent molar fossa groove to prevent caries in 7-9 years old students in Anding District, Dingxi City
YAN Yunting, LIU Xiaoling, JIANG Jingguo, ZHANG Jiasheng, XIAO Jing, HE Wenjuan, CHENG Bin
Chinese Journal of School Doctor . 2025, (2): 102 -104 .  DOI: 10.20161/j.cnki.32-1199/R.20250022