Effectiveness of SDF in arresting root caries in different fluoridated areas

The objective of this research study was to compare the effectiveness of annual application of silver diammine fluoride (SDF) solution on arresting root caries in community-dwelling elders living in water fluoridated and non-fluoridated areas. This study was conducted in a water fluoridated area (Hong Kong) and also in a non-fluoridated area (Guangzhou).