534
Participants
Start Date
October 31, 2012
Primary Completion Date
December 31, 2015
Study Completion Date
December 31, 2015
water as placebo
topical application of water as a placebo in the control arm
silver diammine fluoride
topical application of the SDF solution onto tooth root surfaces
Sun Yat-sen University, Guangzhou
The University of Hong Kong, Hong Kong
Sun Yat-sen University
OTHER
The University of Hong Kong
OTHER