1,083
Participants
Start Date
July 1, 2016
Primary Completion Date
October 16, 2018
Study Completion Date
December 28, 2018
1.23% fluoride foam application
topical application of fluoride foam every 6 months
2.26% fluoride varnish application
topical application of fluoride varnish every 6 months
National Center for Chronic and Noncommunicable Disease Control and Prevention, China CDC
OTHER