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KMID : 0358920220490020197
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Journal of the Korean Academy of Pedodontics
2022 Volume.49 No. 2 p.197 ~ p.205
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Fluoride Release of Several Types of Fluoride-Containing Restorative Materials According to Fluoride Concentration in Toothpaste
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Lee Chung-Ho
Lee Je-Woo
Ra Ji-Young
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Abstract
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This study was conducted to investigate the fluoride release of fluoride-containing restorative materials in fluoride recharging according to the concentration of fluoride toothpaste used in Korea.
Samples of glass ionomer cement, resin-modified glass ionomer cement, alkasite restorative material, and composite resin were prepared and fluoride release was measured on days 1, 3, 7, 14, 21, 28. Thereafter, fluoride-free, 500 ppm, and 1450 ppm fluoride toothpaste was applied to each restorative materials, and the fluoride release was measured on days 1, 3, 7.
Glass ionomer cement showed the highest cumulative fluoride release until the 7th day of measurement, and from the 14th day onwards, the resin-modified glass ionomer cement showed the highest cumulative fluoride release, but there was no significant difference.
When restorative material groups were recharged with 500 ppm of fluoride toothpaste, the fluoride release was significantly higher only for the alkasite restorative material compared to the fluoride-free toothpaste group (p < 0.017).
When restorative material groups were recharged with 1450 ppm of fluoride toothpaste, the fluoride release was significantly higher in all restorative groups compared to the fluoride-free toothpaste group (p < 0.017).
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KEYWORD
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Fluoride release, Fluoride recharge, Fluoride toothpaste, Fluoride-containing restorative
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