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Abstract
Purpose: To evaluate the effect of using sheets of glass fiber reinforcement on the transverse strength and deformation of high impact acrylic resin samples and also on the fracture strength of high impact acrylic resin overdenture.Results: The results of this study showed that the forth group has the statistically significant highest mean transverse strength. The first group has the lowest mean transverse strength. The results of this study showed also statistically significant positive correlation between transverse strength and deformation. Conclusion: The greatest strengthening effect can be achieved using high impact acrylic resin and premanufactured glass fiber polymethyl methacrylate sheets (stick net)