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http://dx.doi.org/10.5933/JKAPD.2017.44.4.412

Effect of a Fluoride - Containing Orthodontic Primer for Preventing Enamel Demineralization around Bracket  

Jang, Hayoung (Department of Pediatric Dentistry, Hallym University Sacred Heart Hospital, College of Medicine, Hallym University)
Kim, Jongbin (Department of Pediatric Dentistry, College of Dentistry, Dankook University)
Kim, Jongsoo (Department of Pediatric Dentistry, College of Dentistry, Dankook University)
Oh, Sohee (Department of Pediatric Dentistry, Hallym University Sacred Heart Hospital, College of Medicine, Hallym University)
Publication Information
Journal of the korean academy of Pediatric Dentistry / v.44, no.4, 2017 , pp. 412-418 More about this Journal
Abstract
During orthodontic treatment, formation of white spot lesions (WSLs) around brackets has long been recognized as a potential risk. This study performed to investigate effect of preventing enamel demineralization and remineralization by application of fluoride-containing orthodontic primer. Fifty extracted bovine incisors teeth were randomly allocated to 3 groups: (I) Non-preparation specimens, (II) Application of Light Bond$^{TM}$ as fluoride containing orthodontic primer, (III) Application of Transbond$^{TM}$ XT Primer as traditional orthodontic primer without fluoride. Each group is demineralized under artificial carious solution. The demineralization pattern was evaluated using a Q-ray view, Vickers hardness test and polarized light microscope. The remained primer was calculated as 35 - 50%. The highest surface microhardness was shown on Light Bond$^{TM}$ surface. There were statistically significant differences in Vickers microhardness number between adjacent areas of Light Bond$^{TM}$ and non-prepared area. There was almost no demineralization of the enamel surface under the Light Bond$^{TM}$. At the adjacent site of Light Bond$^{TM}$, the shallow caries pattern and remineralization appearance were also observed. These results suggest that the use of fluoride-containing primers may be useful for bracket attachment to reduce enamel demineralization during orthodontic treatment.
Keywords
Enamel demineralization; Remineralization; Fluoride containing orthodontic primer;
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