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Dental Research Journal، جلد ۱، شماره ۱، صفحات ۰-۰
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عنوان انگلیسی Improving Diagnostic Quality of Endodontics Radiographs by a Superproportional Reducing Agent
چکیده انگلیسی مقاله Introduction Reducer decrease the den- sity of dark radiographs. Copper Sulfate Reducer (CSR) is one of the superpropor- tional reducers. Reduction is superpropor- tional, that is, the percentage of reduction is greater in darker area than it is in lighter area. Resolution is increased on reduced radiographs. For root canal length measurement we need maximum diagnostic quality. The purpose of this study was to determine usefulness of CSR for improving the diagnostic quality of overdeveloped dark working radiographs that were taken during root canal length measurement. Method and materials Series of 116 radiographs were prepared using double film pockets. One filrom each pocket was processed manually. It was saved as control. The other was put in concentrated developer to get dark. The dark film was immersed and reduced (bleached) in CSR until it gets light. It is then rinsed, redeveloped in artificial light in weak developer, rinsed again, and fixed. The reduced film was used as sample. The diagnostic quality of these two films were compared by giving scores from 1 tq 5 to their diagnostic quality. Result There was statistically significant difference between diagnostic quality of control and sample films. Conclusion Diagnostic quality of overdeveloped radiographs was increased , after reduction by CSR Key words Reducer, superproportional, Copper sulfate, Radiography.
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نویسندگان مقاله | A. Zamani Nasser


| A. Taheri


نشانی اینترنتی http://drj.mui.ac.ir/index.php/drj/article/view/3
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زبان مقاله منتشر شده en
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