329
Participants
Start Date
January 31, 2016
Primary Completion Date
June 30, 2018
Study Completion Date
June 30, 2018
resin sealant
Sealing the occlusal surface of the included molars using the market product of SDI conseal f once.
ART sealant
"Sealing the occlusal surface of the included molars using the market product of 3M ESPE KetacTM Molar Easymix glass ionomer cement once."
Jianxinjie Primary School, Zhengzhou
Ruhelu Primary School, Zhengzhou
Zhengzhou University
OTHER