n Evidence Based Summaries in Dentistry - Sealant retention loss of pit and fissure sealants is not a valid surrogate for caries

Volume 1, Issue 4
  • ISSN : 2223-5353


Sealing pits and fissures of teeth is an effective caries-preventive intervention. It has been shown that up to 71% of occlusal decay is preventable after a single sealant application in a fissure. Evidence regarding the efficacy and cost-effectiveness of sealants in reduction of occlusal carious lesions in molar teeth has been highlighted. Today the most commonly used sealant materials are resin- or GIC-based. Resin-based materials seal pits and fissures through micro-retention, created through tags after enamel acid etching. Glass-ionomer cements (GIC) were introduced as alternative materials for sealing pits and fissures. In contrast to resin-based materials, GICs do not rely on micro-retention through tags after enamel acid etching, but on comparatively weaker chemical adhesion through ion exchange. In contrast to resin and GIC-based sealants, only a few reports of clinical trials covering other types of sealant materials, such as compomers or ormocers, are available.

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