Abstract

AimThis study was aimed to evaluate effects of various beverages on microhardness of esthetic restorative materials.Materials and methodsA total of 160 disk-like specimens were prepared with 40 specimens each using nanocomposite resin, nano-ionomer, compomer, and conventional composite resin as experimental groups. Forty primary teeth were prepared and mounted in acrylic to be used as control group. Microhardness of the restorative materials was measured using Vickers microhardness tester at baseline and after immersion in various beverages. The difference between the two readings was evaluated within different groups.ResultsIn general, low pH beverages adversely affected the properties of the tested materials. Microhardness of tested materials was significantly decreased after immersion in various beverages with the exception of Yakult. After the immersion period, the enamel showed the maximum loss in microhardness followed by nano-ionomer.ConclusionLow pH beverages were the most aggressive media for enamel, nano-ionomer and compomer, but in contrast, composite resin was relatively less affected. Probiotic drink appeared relatively benign toward the tested materials.How to cite this article: Gupta R, Madan M, Dua P, Saini S, Mangla R, Kainthla T, Dupper A. Comparative Evaluation of Microhardness by Common Drinks on Esthetic Restorative Materials and Enamel: An in vitro Study. Int J Clin Pediatr Dent 2018;11(3):155-160.

Highlights

  • Dental erosion is the result of a pathologic, chronic, locali­ zed loss of dental hard tissue that is chemically etched away from the tooth surface by acid and/or chelation without bacterial involvement.[1]

  • One-way ANOVA test showed a significant change in microhardness in various immersion media for different restorative materials (Graph 1)

  • The overall ranking of combination of experimental drinks, restorative materials, and control shows that deciduous tooth enamel in CocaCola shows highest change in microhardness, whereas conventional composite in Yakult shows lowest change (Graph 2 and Table 2)

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Summary

Introduction

Dental erosion is the result of a pathologic, chronic, locali­ zed loss of dental hard tissue that is chemically etched away from the tooth surface by acid and/or chelation without bacterial involvement.[1]. Dental erosion is considered a significant clinical problem in the oral health of schoolchildren and young adults.[5]

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