Abstract
ABSTRACT The aim of this study was to determine experimentally maximum fracture load of fiber-reinforced composite with different span lengths and to determine the effect of glass fiber on this parameter. Materials and methods Six fiber-reinforced groups (n = 10) were made with three different lengths (10, 15, 20 mm) with or without glass fiber in split mold. The specimens were early cured and then post-cured with a labolite unit, then specimens were subjected to three-point flexural test by a universal testing machine. Data were analyzed with ANOVA and LSD post-hoc test (p < 0.05). Results Maximum fracture load of specimens increased with decreasing lengths (p < 0.001) and fiber-containing group showed significantly higher fracture load than fiberless groups (p < 0.001). Conclusion It was concluded that by increasing the span length, the maximum fracture load values (N) decreased incorporation of fiber results in higher fracture strength values. How to cite this article Omid T, Venus MM, Farahnaz S, Asghar AA. Effect of Glass Fiber Length on Flexural Strength of Fiber-reinforced Composite Resin. World J Dent 2012;3(2):131-135.
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