J Dent Hyg Sci.  2018 Aug;18(4):218-226. 10.17135/jdhs.2018.18.4.218.

Effect of Fluoride Recharging on Fluoride Release and Surface Properties of Orthodontic Bracket Adhesives

Affiliations
  • 1Dental Clinic of Ebarun, Suncheon 57999, Korea. sumse1205@naver.com

Abstract

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 Fuji I®. 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 Fuji I®, 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.

Keyword

Adhesives; Fluorides; Surface properties

MeSH Terms

Acidulated Phosphate Fluoride
Adhesives*
Composite Resins
Dental Caries
Dental Cements
Electrodes
Fluorides*
Glass
Microscopy, Electron, Scanning
Orthodontic Brackets*
Sodium
Surface Properties*
Tooth
Toothpastes
Acidulated Phosphate Fluoride
Adhesives
Composite Resins
Dental Cements
Fluorides
Sodium
Toothpastes
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