Improvement in selection of study participants.
D002327:Cariostatic Agents / Q000627:therapeutic use*; D002648:Child; D002986:Clinical Trials as Topic / Q000379:methods*; D004245:DMF Index; D003731:Dental Caries / Q000517:prevention & control*; D003733:Dental Caries Susceptibility; D005260:Female; D006801:Humans; D008297:Male; D012107:Research Design
D002327:Cariostatic Agents