مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

EVALUATION OF MICROLEAKAGE IN CLASS V CAVITIES FILLED WITH METHACRYLATE-BASED VERSUS SILORANE-BASED COMPOSITES

Pages

  67-72

Abstract

 Statement of Problem: Despite the increasing demand for tooth-colored restorations in dentistry, polymerization shrinkage and marginal MICROLEAKAGE still remains a problem.Objectives: The purpose of the present study was to evaluate MICROLEAKAGE in three different resin composites, P90, Z250 and Z250 XT, in class V cavity of permanent human premolars.Materials and Methods: Standardized class V cavities were prepared on the buccal surface of 45 extracted human premolars. The occlusal margins of cavities were prepared at the enamel and gingival margins extending 1mm below the cementoenamel junction. The teeth were randomly assigned into three groups (N=15) and preparations restored with three different composites following the manufacturer instructions: Group A, Filtek Z250 (microhybrid composite) with Adper Single Bond total etch adhesive system; Group B, Filtek Z250 XT (nanohybrid) with Adper Single Bond total etch adhesive system; Group C, Filtek P90 (silorane) with its self-etch adhesive system (P90 system adhesive). Its adhesive system (P90 system adhesive). The teeth were then subjected to thermal cycles (1000 cycle, 5o and 55oC±2oC) with a dwell time of 30 seconds, and immersed in 2% basic fuchsine for 24 hours. Longitudinally sectioned teeth were examined under the stereomicroscope. Kruskal- Wallis and Mann-Whitney U test at 95% significance level were used.Results: Filtek Z250XT showed significantly higher MICROLEAKAGE than the other two composites (p<0.001). However, there was no statistically significant difference between P90 and Filtek Z250 (p=0.217).Conclusions: Although all of the restorative systems had MICROLEAKAGE, siloranebased composite showed less MICROLEAKAGE compared to two other methacrylatebased composites.

Cites

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    APA: Copy

    SHARAFEDDIN, F., KOOHPEIMA, FATEMEH, & PALIZIAN, B.. (2015). EVALUATION OF MICROLEAKAGE IN CLASS V CAVITIES FILLED WITH METHACRYLATE-BASED VERSUS SILORANE-BASED COMPOSITES. JOURNAL OF DENTAL BIOMATERIALS, 2(2), 67-72. SID. https://sid.ir/paper/343854/en

    Vancouver: Copy

    SHARAFEDDIN F., KOOHPEIMA FATEMEH, PALIZIAN B.. EVALUATION OF MICROLEAKAGE IN CLASS V CAVITIES FILLED WITH METHACRYLATE-BASED VERSUS SILORANE-BASED COMPOSITES. JOURNAL OF DENTAL BIOMATERIALS[Internet]. 2015;2(2):67-72. Available from: https://sid.ir/paper/343854/en

    IEEE: Copy

    F. SHARAFEDDIN, FATEMEH KOOHPEIMA, and B. PALIZIAN, “EVALUATION OF MICROLEAKAGE IN CLASS V CAVITIES FILLED WITH METHACRYLATE-BASED VERSUS SILORANE-BASED COMPOSITES,” JOURNAL OF DENTAL BIOMATERIALS, vol. 2, no. 2, pp. 67–72, 2015, [Online]. Available: https://sid.ir/paper/343854/en

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