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  • Title: Effects of the preparation technique and type of material on the penetrability of sealants.
    Author: Cho JS, Covey D, Abdelmegid F, Salama F.
    Journal: Gen Dent; 2015; 63(4):e18-22. PubMed ID: 26147176.
    Abstract:
    The purpose of this in vitro study was to compare the penetration of 2 resin-based and 2 glass ionomer sealants into fissures after either conventional or mechanical preparation. All the materials placed in the conventionally prepared and mechanically prepared fissures penetrated the fissures beyond the standard (0.5-mm) reference line used in this study. For 1 glass ionomer sealant, the number of specimens showing complete penetration of sealant was significantly greater (P < 0.05) in mechanically prepared fissures than in conventionally prepared ones. No significant differences were found between mechanically and conventionally prepared fissures for the other sealants.
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