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  • Title: A comparison of retention and the effect on caries of fissure sealing with a glass-ionomer and a resin-based sealant.
    Author: Poulsen S, Beiruti N, Sadat N.
    Journal: Community Dent Oral Epidemiol; 2001 Aug; 29(4):298-301. PubMed ID: 11515644.
    Abstract:
    OBJECTIVE: To compare the retention and the caries preventive effect of a glass-ionomer developed for fissure sealing (Fuji III) and a chemically polymerized resin-based fissure sealant (Delton). DESIGN: A split mouth randomized design using contralateral teeth. SETTING: WHO Regional Demonstration, Training and Research Center for Oral Health, Damascus, Syrian Arab Republic. SAMPLE AND METHODS: 179 children, 7 years old at the start of the study, were recruited from schools close to the Center. Only children with at least one pair of permanent first molars that were caries free or only had incipient lesions were included in the study. Follow-up examinations for sealant retention were done after 6 months, 1 year, 2 years and 3 years. The number of children available for reexamination was 129 (after 6 months); 121 (after 1 year); 115 (after 2 years) and 116 (after 3 years). Four dental hygienists were trained in the sealant procedures and did approximately one fourth of the sealants each. RESULTS: After 3 years the glass-ionomer sealant was completely lost in almost 90% of the teeth compared to less than 10% of the resin sealed teeth. After 3 years the relative risk of a tooth sealed with glass-ionomer over that of a tooth sealed with resin was 3.38 (95% CL: 1.98; 5.79). This finding was consistent over type of tooth. CONCLUSIONS: The glass-ionomer sealant tested in the present study had poorer retention and less caries protective effect than the resin-based sealant used.
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