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KMID : 0358920060330010043
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Journal of the Korean Academy of Pedodontics
2006 Volume.33 No. 1 p.43 ~ p.52
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EFFECT OF APF GEL ON THE SURFACE OF COMPOSITE RESIN
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Yuk Gun-Yeung
Choi Nam-Ki
Yang Kyu-Ho
Kim Seon-Mi
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Abstract
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Topical fluoride application for children is a widely performed procedure in the field of pediatric dentistry to prevent dental caries. However, it is recently recognized as having some unwanted effects on several esthetic restorative materials as it roughens the surface of the restorative materials.
The aim of this study was to evaluate the surface changes in composite resins to topical fluoride.
Composite resins(Z 250^(®),Ultraseal XT^(®),Filtek flow^(®),Revolution^(®),Denfil^(®))in topical fluoride agents were immersed and their surface roughness, weight loss and SEM were evaluated.
The results were as follows:
1. The 4 minutes-immersion groups showed more roughened surface than 1 minute-immersion groups and the control groups showed the smoothest surface among all the materials, and there was statistically significant difference except the revolution between the groups.
2. There was no significant difference between the 1 minute-immersion groups and 4 minutes-immersion groups in weight loss.
3. The experimental group treated with topical fluoride gel showed the generally mere roughened surface than control group in the SEM findings.
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KEYWORD
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Composite resin, APFgel, Topical fluoride application
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