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Journal of Research in Medical Sciences، جلد ۹، شماره ۳، صفحات ۱۳۰-۰
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی The Effect of Smear Layer on Apical Seal of Endodontically Treated Teeth
چکیده انگلیسی مقاله Background: The purpose of this study was to evaluate the effect of smear layer on apical seal of endodontically treated teeth. Methods: Sixty extracted single–rooted human teeth were randomly divided into two experimental groups (n=25) and two control groups (n=5). The teeth were instrumented with K–type files to size 40 and then flared. Apical patency was ensured in all teeth. 5% sodium hypochlorite and 17% Ethylenediamine tetraacetic acid was used as irrigants to remove the smear layer in the second experimental group. The experimental groups were obturated by laterally condensed gutta – percha with Roth 801 sealer. The positive control group was obturated with gutta – percha without sealer. The root surfaces were then coated with nail polish and sticky wax except for the apex in the experimental groups and positive control group. The roots were completely covered in the negative control group. The samples were then immersed in India ink for 1 week at 37°C. Results: The statistical analysis of the results showed that the apical leakage was significantly increased in obturated canals with smear layer. Conclusion: The removal of smear layer might improve the long term apical seal and success of endodontically treated teeth.
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نویسندگان مقاله a فرهاد | a farhad
department of endodontology, school of dentistry, isfahan university of medical sciences, isfahan, iran.

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

t الهی | t elahi
department of endodontology, school of dentistry, isfahan university of medical sciences, isfahan, iran.

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

نشانی اینترنتی http://jrms.mui.ac.ir/index.php/jrms/article/view/901
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Articles
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