Abstract
ABSTRACTProperties of poly methyl methacrylate are improved using different nanoparticles for denture applications and the best combination is selected using multi-criteria decision-making methods. For these purposes, poly methyl methacrylate is melt compounded with TiO2, SiO2, and Al2O3 nanoparticles and then injection molded. The results of mechanical tests revealed that by addition of TiO2 and SiO2, the impact strengths of poly methyl methacrylate were increased 229 and 62%, respectively. Also, the results indicated a significant improvement in Young’s modulus and hardness. The implementation of multi-criteria decision-making methods illustrated that TiO2 nanoparticles are the best candidate for improving the properties of poly methyl methacrylate for dental applications.
Published Version
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