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KMID : 0358920100370030345
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Journal of the Korean Academy of Pedodontics
2010 Volume.37 No. 3 p.345 ~ p.351
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A STUDY OF MICROLEAKAGE AND PENETRATION ABILITY OF A PIT AND FISSURE SEALANT APPLIED ON CARIOUS FISSURES
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Im El
Lee Sang-Ho
Lee Nan-Young
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Abstract
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The purpose of this study is to compare microleakage and penetration depths of sealants applied in carious and sound fissures. Extracted premolars(n=80) were divided into 4 groups according to caries status. 1; sound, 2; stained, 3; initial caries, 4; enamel caries. Sealants were applied to the occlusal groove as per manufacturers’ instructions, and specimens were thermocycled, stained, sectioned, and examined for microleakage and penetration ability. The results of the present study are as follow: 1. It showed significantly higher microleakage scores in group I than group Two, Three, Four(p<0.05), but no significant difference was found between group Two, Three, and IV(p>0.05). 2. It showed significantly higher penetration scores in group Four (p<0.05), followed by group One, Two, Three, but no significant difference was found between group One, Two, and Three(p>0.05). Based on the results of present study, when the borders of the fissure sealant are on carious enamel, a significantly higher microleakage must be expected. It is considered that depth of enamel caries in the fissure should be taken into account when applying a fissure sealant.
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KEYWORD
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Carious fissure, Sealant, Microleakage, Penetration
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