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ORIGINAL ARTICLE
Year : 2011  |  Volume : 14  |  Issue : 3  |  Page : 297-301

The effect of topical fluoride therapy on microleakage of tooth colored restorations


Dental Materials Research Center, Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran

Correspondence Address:
Horieh Moosavi
Dental Materials Research Center, Department of Operative Dentistry, Dental School, Mashhad University of Medical Sciences, Mashhad
Iran
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Source of Support: Research Council of Mashhad University of Medical Sciences, Conflict of Interest: None


DOI: 10.4103/0972-0707.85820

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Aim: The aim of this study was to evaluate the effect of pre and post fluoride therapy on the microleakage of composite resin and glass ionomer restorations. Materials and Methods: Class V cavities were prepared on the buccal surfaces of sixty extracted human third molars. Based on the restorative materials the samples were assigned into two essential groups of thirty and each of them divided into three subgroups regarding the mode of Acidulate Phosphate Fluoride (APF) gel usage. Fluoride therapy was applied pre and post restoration whether OptiBond Solo Plus as a total-etch adhesive system with Herculite XRV as a light cured composite resin or Fuji II LC glass ionomer as an restoration. Each essential group contained a control group without fluoride therapy. Thermo cycling was done, and then the rate of microleakage was evaluated by the fluid filtration method. Results: There were no significant differences by pre and post-treatment with APF on microleakage of composite resin restorations. A significant difference was found on microleakage of glass ionomer restorations based on different APF therapy. Conclusions: In contrast to composite resin restoration which had not influenced by fluoride therapy, after glass ionomer placement, the gel of fluoride led to significantly increase the microleakage of the restoration.


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