Cost-effectiveness and estimated net monetary benefits of a fluoride varnish application program during well-child visits by 9- to 30-month-old children in three areas of Thailand.

The one to three visits fluoride varnish application program during well-child visits appears to be cost-effective with estimated net benefit interventions for dental caries prevention. These findings suggest that children between 9 and 30 months old should attend at least three visits of the fluoride varnish application program during well-child visits.