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Clinical Trial
. 1999 Apr;12(2):59-61.

2-year clinical performance of a resin-modified glass ionomer sealant

R J Smales  1 , K C Wong
Affiliations
  • PMID: 10477983
Clinical Trial

2-year clinical performance of a resin-modified glass ionomer sealant

R J Smales et al. Am J Dent. 1999 Apr.

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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