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Iranian Journal of Materials Science and Engineering، جلد ۱۰، شماره ۲، صفحات ۴۶-۵۶
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عنوان انگلیسی THE EFFECT OF ADDING TiO2 NANOPARTICLES ON DENTAL AMALGAM PROPERTIES
چکیده انگلیسی مقاله Abstract:In recent years, there have been many attempts to improve the properties of dental amalgam. The aim of the present investigation was fabrication and characterization of dental amalgams containing TiO2 nanoparticles and evaluation of their compressive strength, antibacterial and corrosion behavior. In this experimental research, TiO2 nanoparticles (TiO2 NPs) were added to reference amalgam alloy powder and then, dental amalgam was prepared. In order to investigate the effect of TiO2 NPs on properties of dental amalgam, 0, 0.5, 1, 2 and 3 wt. % of TiO2 NPs were added to amalgam alloy powder and the prepared composite powder was triturated by a given percent of mercury. Xray diffraction (XRD), Scanning Electron Microscopy (SEM) and Energy-Dispersive Spectroscopy (EDS) techniques were used to characterize the prepared specimens. Potentiodynamic polarization corrosion tests were performed in the Normal Saline (0.9 wt. % NaCl) Solutions as electrolytes at 37°C. The results showed that the corrosion behavior of the dental amalgam with 0.5 or 1 wt. % TiO2 NPs is similar to the corrosion behavior of the reference amalgam, while with increasing the weight percent of TiO2 NPs, the corrosion rate increases. Also, the results of this investigation indicated that adding TiO2 NPs in amounts of up to 1 wt. % to amalgam alloy powder improve compressive strength of dental amalgam and has no destructive influence on its corrosion behavior. As well as, according to antibacterial results, TiO2 NPs can increase the biocompatibility and antibacterial activity of dental amalgam. The results of present study suggest that amalgam/ TiO2 NPs nanocomposite with 1% of TiO2 NPs could be regarded as a biocompatible and bioactive dental material that provide better characters for dental applications.
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نویسندگان مقاله n بهره مندی طلوع طلوع | n bahremandi tolou
department of materials engineering, isfahan university of technology, isfahan, iran

سازمان اصلی تایید شده: دانشگاه صنعتی اصفهان (Isfahan university of technology)

محمد حسین فتحی | m h fathi
department of materials engineering, isfahan university of technology, isfahan, iran

سازمان اصلی تایید شده: دانشگاه صنعتی اصفهان (Isfahan university of technology)

احمد منشی | a monshi
department of materials engineering, isfahan university of technology, isfahan, iran

سازمان اصلی تایید شده: دانشگاه صنعتی اصفهان (Isfahan university of technology)

v s مرتضوی f شیرانی | v s mortazavi f shirani
torabinejad dental research center and department of operative dentistry, school of dentistry, isfahan


محمدی | m mohammadi
department of microbiology, falavarjan branch-islamic azad university , esfahan, iran.

سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-127-17&slc_lang=en&sid=en
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Research paper
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