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Journal of Dental Research, Dental Clinics, Dental prospects، جلد ۹، شماره ۱، صفحات ۴۰-۴۳
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چکیده فارسی مقاله
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عنوان انگلیسی Effect of silver nano-particles on tensile strength of acrylic resins
چکیده انگلیسی مقاله Background and aims. Polymethyl methacrylate (PMMA) is widely used for the fabrication of removable prostheses. Silver nano-particles (AgNps) have been added to PMMA because of their antimicrobial properties, but their effect on the mechanical properties of PMMA is unknown. The aim of this study was to investigate the effects of AgNps on the tensile strength of PMMA. Materials and methods. For this study, 12 specimens were prepared and divided into two groups. Group 1 included PMMA without AgNps and group 2 included PMMA mixed with 5 wt% of AgNps. Tensile strength of the specimens was measured by Zwick Z100 apparatus. Statistical analysis was carried out by SPSS using t-test. Statistical significance was defined at P< 0.05. Results. This study showed that the mean tensile strength of PMMA in group 2 was significantly lower than that in group 1. Therefore, the tensile strength decreased significantly after incorporation of silver nano-particles. Conclusion. Within the limitations of this study, tensile strength of acrylic resin specimens was influenced by silver nano-particles.
کلیدواژه‌های انگلیسی مقاله Acrylic resin,nano-particle,silver,tensile strength
نویسندگان مقاله طاهره غفاری | tahereh ghaffari
tabriz university of medical sciences, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

فهیمه حامدی راد | fahimeh hamedi rad


نشانی اینترنتی http://dentistry.tbzmed.ac.ir/joddd/index.php/joddd/article/view/513
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/183/article-183-319695.pdf
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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