White, D J A longitudinal microhardness analysis of fluoride dentifrice effects on lesion progression in vitro. [electronic resource] - Caries research 1987 - 502-12 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0008-6568 Standard No.: 10.1159/000261059 doi Subjects--Topical Terms: Calcium--pharmacologyDental Caries--metabolismDental Enamel--analysisDentifricesFluorides--pharmacologyHardnessHumansMinerals--analysisPlacebosTime FactorsTooth Remineralization