Effect of 0.02% NaF solution on enamel demineralization and fluoride uptake by deciduous teeth in vitro.

The application of 0.02% NaF solution on teeth with a cotton swab instead of brushing with fluoride dentifrice has been suggested for young children to reduce the risk of dental fluorosis, but its anticariogenic effect has not been evaluated. Thus, we studied the in vitro effect of 0.