MECHANICAL PROPERTIES OF DENTAL COMPOSITE MATERIALS REINFORCED WITH MICRO AND NANO-SIZE AL2O3 FILLER PARTICLES

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FOROUTAN F.; JAVADPOUR J.; KHAVANDI A.; ATAI M.; REZAIE H.R.

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Journal: Iranian Journal of Materials Science and Engineering Year:2011 | Volume:8 | Issue:2 Page(s): 25-33

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Title

MECHANICAL PROPERTIES OF DENTAL COMPOSITE MATERIALS REINFORCED WITH MICRO AND NANO-SIZE AL2O3 FILLER PARTICLES

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COMPOSITES

POLYMERS

CERAMICS

MECHANICAL PROPERTIES

Abstract

Composite specimens were prepared by dispersion of various amounts of nano-sized Al2O3 fillers in a monomer system containing 60% Bis-GMA and 40% TEGDMA. For comparative purposes, composite samples containing micrometer size Al2O3 fillers were also prepared following the same procedure. The MECHANICAL PROPERTIES of the light- cured samples were assessed by three-point flexural strength, diametral tensile strength, and micro hardness tests. The results indicated a more than hundred percent increase in the flexural strength and nearly an eighty percent increase in the diametral tensile strength values in the samples containing nano-size Al2O3 filler particles. It is interesting to note that, this improvement was observed at a much lower nano-size filler content.Fracture surfaces analyzed by scanning electron microscopy, indicated a brittle type of fracture in both sets of specimens.

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APA: Copy

FOROUTAN, F., JAVADPOUR, J., KHAVANDI, A., ATAI, M., & REZAIE, H.R.. (2011). MECHANICAL PROPERTIES OF DENTAL COMPOSITE MATERIALS REINFORCED WITH MICRO AND NANO-SIZE AL₂O₃ FILLER PARTICLES. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING, 8(2), 25-33. SID. https://sid.ir/paper/276775/en

Vancouver: Copy

FOROUTAN F., JAVADPOUR J., KHAVANDI A., ATAI M., REZAIE H.R.. MECHANICAL PROPERTIES OF DENTAL COMPOSITE MATERIALS REINFORCED WITH MICRO AND NANO-SIZE AL₂O₃ FILLER PARTICLES. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING[Internet]. 2011;8(2):25-33. Available from: https://sid.ir/paper/276775/en

IEEE: Copy

F. FOROUTAN, J. JAVADPOUR, A. KHAVANDI, M. ATAI, and H.R. REZAIE, “MECHANICAL PROPERTIES OF DENTAL COMPOSITE MATERIALS REINFORCED WITH MICRO AND NANO-SIZE AL₂O₃ FILLER PARTICLES,” IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING, vol. 8, no. 2, pp. 25–33, 2011, [Online]. Available: https://sid.ir/paper/276775/en

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