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  • Title: 2-year clinical performance of a resin-modified glass ionomer sealant.
    Author: Smales RJ, Wong KC.
    Journal: Am J Dent; 1999 Apr; 12(2):59-61. PubMed ID: 10477983.
    Abstract:
    PURPOSE: To compare the 2-year clinical performance of an experimental resin-modified glass ionomer cement sealant (K-512 = Fuji III LC) with that of a light-cured resin-based sealant (Delton Opaque) in young adults: MATERIALS AND METHODS: 14 subjects with 47 K-512 and 41 Delton sealants were recalled at 2 years for clinical examination, photographs after enamel etching, impressions and radiographs. RESULTS: K-512 showed 0% complete retention, 62% partial retention, and 38% nil retention. The corresponding percentages for Delton were 32%, 58% and 10%, respectively. There was one instance of fissure caries for K-512 and three for Delton. Sealants deemed to need retreatments because of retention failures were 62% for K-512 and 34% for Delton. The K-512 sealants continued to darken over the study, many becoming slightly darker than the sealed teeth.
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