Twenty-four Hour Flexural and Shear Bond Strengths of Flowable Light-cured Composites: A comparison Analysis Using Weibull Statistics

DOI NDLデジタルコレクション Web Site PubMed 被引用文献5件 参考文献37件
  • TJANDRAWINATA Rosalina
    Department of Dental Materials, Faculty of Dentistry, Trisakti University, Campus B
  • IRIE Masao
    Department of Biomaterials, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Science
  • SUZUKI Kazuomi
    Department of Biomaterials, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Science Research Center for Biomedical Engineering, Okayama University

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By means of Weibull analysis, this study evaluated and compared the flexural strength and shear bond strength of flowable light-cured composites against those of conventional ones. Twenty specimens of each material were prepared for flexural and shear bond strength measurements. Specimens were measured after water storage at 37°C for 24 hours. Three of four flowable composites showed significantly higher flexural strength than conventional ones, with Weibull moduli ranging between 6 and 14. With the presence of a bonding agent, the shear bond strength to enamel of both types was not different significantly (p=0.28), with Weibull moduli ranging between 4 and 9. In the selection of an excellent resin composite material, results of this study showed that a high, stable Weibull modulus value could be a sound indicator.

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