Nanoindentation Study on Mechanical Properties of Nano-SiO2/Dental Resin Composites

Zha, C., Hu, J., Li, A., Huang, S., Liu, H., Chen, G., & Wang, Z.

Journal of Materials Science and Chemical EngineeringĀ 6.04 (2018): 57.

The micro/nano-scale indentation tests were performed to explore the performance of bisphenol-Ī±-glycidyl methacrylate (Bis-GMA)/triethylene glycol dimethacrylate (TEGDMA) dental resin composites. The effect of the filling content of nano-SiO2 particles on the mechanical properties of the dental composites was studied as well. The experimental results showed that the incorporation of the nano-SiO2 particles at low concentrations (up to 10 wt.%) can apparently increase the hardness and elastic modulus of the dental rein composites. The plasticity index indicates a best elastic recovery capability at a proper amount (4 wt.%) of the nanoparticles. Combined with the infrared spectrum, the mechanical enhancement mechanisms of the dental resin composites were analyzed.


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109-17-1109-17-1Tetraethylene glycol dimethacrylateInquiry

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