Abstract
the aim of this study was to assess the effect of silanized silicon dioxide and titanium dioxide nanoparticles loading on the compressive strength of experimentally prepared resin composite core material. Materials andMethods: Resin matrix was prepared by adding 70 wt% Bis-GMA,30 wt% TEGDMA, 0.5 wt% CQ and 0.5 wt% EDAB. Sintering of the silica nanoparticles was performed and then the silanized sintered silica fillers together with titanium dioxide nanoparticles and silica nanoparticles were mixed with the prepared resin matrix. Specimens of the experimental and control resin composite were prepared in split Teflon moulds (4x6mm) for compressive strength testing using universal testing machine. Results: There was no statistically significant difference between results of the experimental and control resin composites. Conclusion: Addition of up to 85 wt% of nanofillers into traditional resin matrix produced a resin composite with comparable compressive strength to that of the commercial composite products commonly used as core material
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