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Comparative Study
. 1995 Dec;26(12):879-83.

Examination of a resin-modified glass-ionomer material as a pit and fissure sealant

L M Johnson  1 , E S Duke, J Camm, C B Hermesch, D J Buikema
Affiliations
  • PMID: 8596819
Comparative Study

Examination of a resin-modified glass-ionomer material as a pit and fissure sealant

L M Johnson et al. Quintessence Int. 1995 Dec.

Abstract

The purpose of this in vitro study was to examine the effect of various powder-liquid ratios of an experimental resin-modified glass-ionomer polymer cement on dye penetration when the cement was used as a pit and fissure sealant. Eighty extracted human third molars were randomly assigned to one of four pit and fissure sealant conditions: a resin-based sealant or one of three variations in powder-liquid ratios (1.4:1.0, 1.8:1.0, and 2.0:1.0) of an experimental, light-activated, resin-modified glass-ionomer cement. After sealant placement, the teeth were thermocycled and immersed in methylene blue dye. The teeth were sectioned, and the extent of dye penetration along the sealant-enamel interface was measured linearly. The resin-sealed occlusal fissures showed statistically significantly less dye penetration than did the three powder-liquid ratios of the experimental resin-modified glass-ionomer-cement sealant.

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