Balkan Journal of Stomatology
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2012, vol. 16, br. 3, str. 157-160
Effect of fluoride varnish on demineralization adjacent to orthodontic brackets
(naslov ne postoji na srpskom)
aSchool of Dentistry, Department of Pediatric and Preventive Dentistry, Skopje, FYROM
bSchool of Dentistry, Department of Oral Surgery, Skopje, FYROM
cSchool of Dentistry, Department of Orthodontics, Skopje, FYROM

(ne postoji na srpskom)
Application of fluoride varnish is a preventive protocol that does not require patient compliance and permits the orthodontist to benefit from the bond strength of composite resins. The aim of this study was to compare, in vitro, the effect of a fluoride varnish on inhibition of enamel demineralization adjacent to orthodontic brackets bonded with a resinmodified glass ionomer cement (RMGIC) and a composite resin. A total of 60 extracted human lower and upper premolars with no restorations, caries, and hypoplastic areas or pliers impressions were collected for this study. All teeth were cleaned and cut in half bucco-lingually with a diamond disc. The following adhesives for bonding brackets were used in this study: Con Tec LC (Dentaurum, Germany) and resin-modified glass ionomer cement Fuji Ortho LC (GC Corporation, Japan). Brackets in each group were bonded with a type of adhesive according to manufacturers' bonding instructions. After brackets bonding, the premolars (test specimens) were kept dried carefully and the enamel received a single topical application of a fluoride varnish (Duraphat®; Germany) with the aid of a brush applicator. 3 minutes later, the teeth were wet with mild air/water spray and stored in artificial saliva until analysis, after 14 days and 1 month. Fluoride concentrations were measured by spectrophotometer. The results obtained indicated a significant increase in the levels of fluoride uptake in enamel after the use of resin-modified glass ionomer cement for bonding brackets and topical application of a fluoride varnish. Use of a fluoride varnish, when bonding brackets with GICs, is more effective in preventing enamel demineralization than the conventional composite resin. Based on these findings, it may be concluded that the examined fluoride varnishes had impact on the inhibition of enamel demineralization adjacent to orthodontic brackets.
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O članku

jezik rada: engleski
vrsta rada: izvorni članak
objavljen u SCIndeksu: 12.12.2012.

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