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KMID : 1023420180180040218
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Journal of Dental Hygiene Science
2018 Volume.18 No. 4 p.218 ~ p.226
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Effect of Fluoride Recharging on Fluoride Release and Surface Properties of Orthodontic Bracket Adhesives
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Byeon Seon-Mi
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Abstract
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The aim of this study was to compare fluoride release and surface changes according to different orthodontic bracket adhesives the application of fluoride products. We used non-fluoridated composite resin Transbond fluoridated composite resins Blugloo and LightBond, resin-modified glass ionomer Rely XTM Luting 2, and conventional glass ionomer FujiIⓡ. Fluoride release of five orthodontic bracket adhesives and fluoride release ability after application of three fluoride products (1.23% acidulated phosphate fluoride gel, Tooth Mousse Plusⓡ, Fluor Protector, and a toothbrush with sodium fluoride-containing toothpaste) were measured using a fluoride electrode that was connected to an ion analyzer. After 4 weeks of fluoride application, the surface roughness and surface morphology were examined using a surface roughness tester and field emission scanning electron microscopy. The amounts of fluoride release were observed not only on application of Tooth Mousse Plusⓡ and Fluor Protector on resin-modified glass ionomer Rely XTM Luting 2 and FujiIⓡ, but also during tooth brushing using fluoride-containing toothpaste. After application of Tooth Mousse Plusⓡ, except Transbond XT, the surface roughness increased, and all orthodontic adhesives showed a partial drop of micro-particle filler. On application of 1.23% acidulated phosphate fluoride gel on all orthodontic bracket adhesives, their surface roughness increased. To bond the orthodontic bracket, resin-modified glass ionomer Rely XTM Luting 2 and Fuji Iⓡ adhesives are highly recommended if the amount of fluoride release is considered to confer a preventative effect on dental caries, and among the fluoride products, Tooth Mousse Plusⓡ and Fluor Protector are better than 1.23% acidulated phosphate fluoride gel, and these are expected to prevent dental caries even during tooth brushing with fluoride-containing toothpaste.
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KEYWORD
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Adhesives, Fluorides, Surface properties
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