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  • Title: Retention rates and caries-preventive effects of two different sealant materials: a randomised clinical trial.
    Author: Cabral RN, Faber J, Otero SAM, Hilgert LA, Leal SC.
    Journal: Clin Oral Investig; 2018 Dec; 22(9):3171-3177. PubMed ID: 29524027.
    Abstract:
    OBJECTIVES: The aim of this study was to compare the caries-preventive effect and the retention rates of sealants prepared with a new modified and a high-viscosity glass-ionomer cement (GIC) in recently erupted first permanent molars.  MATERIALS AND METHODS: Fifty-six children (224 teeth) were included in a split-mouth randomised clinical trial. All children had their four first permanent molars sealed with either Clinpro XT Varnish (CXT) or Fuji IX GP FAST (FJ). FJ sealants were placed according to the ART protocol. Retention rates and caries-preventive effect of both materials were assessed clinically after 24 months, and survival curves were created according to the Kaplan-Meier method. For sealant retention rates, analyses were performed according to both the traditional method and modified sealant retention categorisation. RESULTS: FJ sealants were retained longer in comparison to CXT sealants (p < 0.05), regardless of the categorisation used. In relation to the caries-preventive effect, no statistically significant differences were observed between materials (p = 0.99). Sealants prepared with the high-viscosity GIC according to the ART protocol survived longer than those prepared with the modified GIC, but both materials were equally effective in preventing cavitated dentine lesions over 24 months. CONCLUSION: We concluded that GIC-based sealants are effective in preventing dentine caries lesions.
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