The aim of this study was to evaluate the long-term effectiveness of a lay health advisor (LHA) intervention on immigrant children's caries and preventive behaviors.This randomized controlled trial included mother-child pairs in the intervention group (IG) and a brochure-only control group (CG), respectively. The IG received a four-week one-on-one session by an LHA on caries-related knowledge and brushing techniques. Baseline and follow-up surveys were used to collect the data in caries experience and maternal caries preventive behavior.
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dmft index
Timeframe: Change from Baseline dmft at 1 weeks after intervention
dmft index
Timeframe: Change from Baseline dmft at 2 months after intervention
dmft index
Timeframe: Change from Baseline dmft at 8 months after intervention