By a News Reporter-Staff News Editor at Health & Medicine Week -- Data detailed on Dentistry have been presented. According to news reporting originating from Beijing, People's Republic of China, by NewsRx correspondents, research stated, "A kind of core-shell nanofibers containing sodium fluoride (NaF) was produced and used as reinforcing materials for dimethacrylate-based dental restorative resins in this study. The core-shell nanofibers were prepared by coaxial-electrospinning with polyacrylonitrile (PAN) and poly(methyl methacrylate) (PMMA) solutions as core and shell fluids, respectively."
Our news editors obtained a quote from the research from the Beijing University of Chemical Technology, "The produced PAN-PMMA nanofibers varied in fiber diameter and the thickness of PMMA shell depending on electrospinning parameters. NaF-loaded nanofibers were obtained by incorporating NaF nanocrystals into the core fluid at two loadings (0.8 or 1.0wt.%). Embedment of NaF nanocrystals into the PAN core did not damage the core-shell structure. The addition of PAN-PMMA nanofibers into Bis-GMA/TEGDMA clearly showed the reinforcement due to the good interfacial adhesion between fibers and resin. The flexural strength (Fs) and flexural modulus (Ey) of the composites decreased slightly as the thickness of PMMA shell increasing. Sustained fluoride releases with minor initial burst release were achieved from NaF-loaded core-shell nanofibers and the corresponding composites, which was quite different from the case of embedding NaF nanocrystals into the dental resin directly."
According to the news editors, the research concluded: "The study demonstrated that NaF-loaded PAN-PMMA core-shell nanofibers were not only able to improve the mechanical properties of restorative resin, but also able to provide sustained fluoride release to help in preventing secondary caries."
For more information on this research see: NaF-loaded core-shell PAN-PMMA nanofibers as reinforcements for Bis-GMA/TEGDMA restorative resins. Materials Science & Engineering C, Materials for Biological Applications, 2014;34():262-9 (see also Dentistry).
The news editors report that additional information may be obtained by contacting L. Cheng, Beijing Laboratory of Biomedical Materials, State Key Laboratory of Organic-inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, People's Taiwan. Additional authors for this research include X. Zhou, H. Zhong, X. Deng, Q. Cai and X. Yang.
Keywords for this news article include: Asia, Anions, Beijing, Dentistry, Fluorides, Nanofiber, Nanocrystal, Nanotechnology, Hydrofluoric Acid, Emerging Technologies, People's Republic of China.
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