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  • Title: A 24-month study comparing sealant and fluoride varnish in caries reduction on different permanent first molar surfaces.
    Author: Bravo M, Baca P, Llodra JC, Osorio E.
    Journal: J Public Health Dent; 1997; 57(3):184-6. PubMed ID: 9383759.
    Abstract:
    OBJECTIVE: The aim of this study was to determine the separate effects of dental sealants and fluoride varnish on dental caries in fissured and nonfissured surfaces of permanent first molars. METHODS: A clinical trial was conducted with three groups of 6- to 8-year-old schoolchildren: a sealant group (n = 100), in which Delton was applied to first molars; a varnish group (n = 98), in which Duraphat was applied to first molars; and a control group (n = 116), which had no intervention as part of the study. Absolute and percent caries reductions were compared at 24 months. RESULTS: Compared to the controls, sealants resulted in a 68 percent and 87 percent reduction on fissured and nonfissured surfaces, respectively. The corresponding figures for varnish were 38 percent and 66 percent. CONCLUSION: Sealant and fluoride varnish are effective in preventing caries in both fissured and nonfissured surface.
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