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Journal of Dental Materials and Techniques، جلد ۹، شماره ۱، صفحات ۴۳-۵۰
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عنوان انگلیسی Effects of N-Vinylcaprolactam Containing Polyacids and Zirconia on Mechanical Properties of Commercial Glass Ionomer Cements
چکیده انگلیسی مقاله  This study aimed to investigate the impact of N-vinylcaprolactam (NVC) and Nano-sized yttria-stabilized zirconia (YSZ), separately and simultaneously, on the mechanical properties of the commercial glass ionomer cements (GICs). Methods: The NVC is able to ameliorate the mechanical and surface properties of glass ionomers; however, its effect hasn’t been investigated in conjunction with zirconia yet. In order to perform the current research, the liquid of glass ionomer was synthesized by adding the NVC to its copolymer and then w::as char::acterized by proton nuclear magnetic resonance and Fourier transforms infrared. In addition, Nano-sized YSZ was added to the powder of glass ionomer and then w::as char::acterized by scanning electron microscopy. Afterward, the specimens for both flexural strength (FS) and microhardness were prepared by mixing the powder and liquid of the modified glass ionomer. Eventually, the aforementioned properties were evaluated after 24 h and 1 week of immersion in distilled water in an incubator. Furthermore, the one-way analysis of variance was used to study the statistical significance of FS. Results: The obtained results demonstrated that microhardness andFS properties of the glass ionomer were clearly improved as zirconia and NVC were added to the powder and liquid of the glass ionomer, respectively (P
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نویسندگان مقاله | shabnam aslani
iran university of science and technology


| hamidreza rezaie
iran university of science and technology


| alireza khavandi
iran university of science and technology
نشانی اینترنتی http://jdmt.mums.ac.ir/article_14757.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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