PMID: 18203488Jan 22, 2008Paper

Compressive fatigue behavior of dental restorative composites

Dental Materials Journal
Jamshid Aghadazeh MohandesiFarhad Shafiei

Abstract

The purpose of this study was to investigate the compressive fatigue behavior of five dental composites. Cylindrical specimens of 8 mm length and 4 mm diameter were made according to manufacturers' recommendations and stored for two weeks in distilled water at 37 degrees C. Compressive fracture strength was measured, and subsequently fatigue tests at 10 Hz frequency were carried out in distilled water. Compressive fatigue strength was thereby obtained using the staircase method for 10(5) cycles (n = 17) under sinusoidal loading. Acquired data for compressive fracture strength were analyzed using ANOVA and Weibull statistics. Among the dental composites examined, Filtek Z250 exhibited the highest fatigue strength. This seemed to be due to the superior matrix properties coupled with a specific filler type at the highest weight%/volume% ratio. In addition, fracture mechanisms of the composites were examined.

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Citations

Mar 3, 2012·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·N DaratsianosC Bourauel
Mar 14, 2013·Dental Materials : Official Publication of the Academy of Dental Materials·Nikolaos DaratsianosChristoph Bourauel
Jan 17, 2015·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Muayed A ZankuliHugh Devlin
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Dec 15, 2010·Journal of Biomechanics·Toshiko InoueTakashi Miyazaki
Mar 18, 2020·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Howard RobertsJohn Brewster
Jul 1, 2021·Journal of Materials Science. Materials in Medicine·Parisa AmiriHossein Fashandi

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