| The effect of electrospun nanofibers of nylon 66 on the 3-point bending of dental composites |
| Paper ID : 1191-UFGNSM-FULL |
| Authors: |
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neda Salek *1, Mohsen Hadizadeh2, Abdol karim Hosseini ravandi3, Alireza Danesh kazemi4 1Esfahan, Shareza , Pasdaran Street , sarallah street, emam hossein alley,Number 40, postal code:8618843551 2Faculty of Textile Engineering, Yazd University, Yazd. IR Iran 3Department of Textile Engineering, Isfahan University of Technology, Isfahan, IR Iran 43Associate professor of operative and esthetic Department,Social determinant of oral health research center,Shahid Sadoughi University of medical sciences, Yazd |
| Abstract: |
| Electrospun Nylon 66 nanofibers, in the form of nonwoven fabrics, were impregnated with the three dental composites named as Nano hybrid, Micro hybrid and Micro fill. Electrospun nanofibers were added in laminates to dental composites in 17%, 20% and 23% concentrations of polymer solution and 0, 0.5, 1.5, 3 and 6 percentage weight fraction. Based on multivariate analysis of variance at significance level of 5%, average levels of any factors and interaction between the two factors were significant. Three-point bending test results indicated flexural strength (FS), elastic modulus (EY) and work of fracture (WOF) of the nanofiber reinforced composite resins were all significantly increased with relatively small amounts of Nylon 66 nanofibers. The addition of 6% (mass fraction) nanofibers in 23% concentration of polymer solution improved FS of the composite Micro hybrid 68.08%, EY of the composite Nano hybrid 50.9% and WOF of the composite micro fill 106.08% over those of the neat dental composite. Result showed during loading, nanofibers were integrated in order to increase the strength, reduce porosity and closing the cracks and development friction and increases the contact. It’s observed the work of fracture was increased at interface of dental resin and nanofiber. This leads to increasing efficiency and longevity of composite. |
| Keywords: |
| Keywords: nanofibers, dental composite, nylon66, mechanical properties. . |
| Status : Paper Accepted (Poster Presentation) |
