Efficacy evaluation of pit and fissure sealants in the caries prevention of the first permanent molars among school-aged children
HUANG Xuehua, XIE Weiguang, HUANG Anzhong, LIU Siyuan, ZHOU Huizhi
Chinese Journal of School Doctor . 2025, (7): 542 -542,560-562 .  DOI: 10.20161/j.cnki.32-1199/R.20250116