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Journal of Research in Medical Sciences، جلد ۵، شماره ۳، صفحات ۰-۰
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عنوان انگلیسی COMPARISON OF FRACTURE RESISTANCE OF RESTORATIONS IN MAXILLARY FIRST PREMOLAR USING PREFABRICATED POSTS IN BUCCAL AND PALATAL CANALS
چکیده انگلیسی مقاله Introduction. The maxillary first premolars have two canals wich can be used for prefabricated posts. In this study we compared the fracture resistance of amalgam buuild-up restorations after using this kind of posts in coch of these canals. Methods. Prefabricated posts were used in two groups in maxillary first premolars: one group in buccal and the other in palatal canal. After complate amalgam restoration usinf on INSTRON machine the fracture resistance were determined. Analysis of results and failure mode of each groups were performed. Results. There was no statistical significant difference in fracture resistance in two groups. There was significant difference in failure mode in groups. Discussion. All the fractures were in the restorative material and in palatal cusp so in choosing a canal for prefabricated post precedures the amount of missed coronal structure and all clinical factors are important factors.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله k خسروی | k khosravi
restorations dentistry dept., dentistry school, isfahan university of medical sciences and health services, isfahan

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

k عباسی | k abbasi


نشانی اینترنتی http://jrms.mui.ac.ir/index.php/jrms/article/view/3526
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Articles
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