Fissure Sealants and Dental Enamel

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Abstract
Microleakage of four pit and fissure sealants was studied using an artificial caries technique and polarized light microscopy. The results from the study indicated that ultraviolet light polymerized sealants had significantly fewer wall lesions than autopolymerized sealants. A mechanism for sealant microleakage is presented which indicates that resin tags may be responsible for the ability of sealants to resist a caries-like attack at the enamel-sealant interface.