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ORIGINAL ARTICLE
Year : 2016  |  Volume : 13  |  Issue : 4  |  Page : 179-186

Changes in surface roughness of bleached enamel by using different remineralizing agents


Department of Operative Dentistry, Faculty of Dentistry, Tanta University, Tanta, Egypt

Correspondence Address:
Reham M Attia
Department of Operative Dentistry, Faculty of Dentistry, Tanta University, Tanta
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1687-8574.195707

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Objectives The purpose of this study was to determine the effect of fluoride gel, Remin Pro, and GC tooth mousse plus in changing surface roughness of enamel after bleaching procedures. Materials and methods Dental enamel blocks measuring 2 × 3 × 4 mm were prepared from nonerupted human third molars. The 38% hydrogen peroxide in-office bleaching protocols were performed. The specimens were randomly divided into three groups (n = 10 samples per group) according to the remineralizing agent used: group 1: using fluoride gel, group 2: using Remin Pro, and group 3: using GC tooth mousse plus. Measurements of surface roughness were carried out using a contact stylus profilometer before bleaching, after bleaching, and after remineralization. Results Data were analyzed using analysis of variance and Tukey's test. There was a highly significant difference of enamel surface roughness measurements among initial, after bleaching, and final regarding the three tested groups (P < 0.001). There was no significant difference among the three tested groups in relation to enamel surface roughness before and after bleaching (P = 0.739 and 0.341, respectively). There was a highly significant difference in relation to final measurements (P < 0.001) among the three tested groups. The difference in Ra value of enamel between the group used fluoride gel and that used Remin Pro and GC tooth mousse plus was highly significant and that between groups 2 and 3 was not significant. Conclusion GC tooth mousse plus and Remin Pro are more effective in reducing enamel surface roughness after bleaching than fluoride product.


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