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Iranian Endodontic Journal، جلد ۱۰، شماره ۲، صفحات ۱۳۵-۱۳۹
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Root Canal Shaping by Single-File Systems and Rotary Instruments: a Laboratory Study
چکیده انگلیسی مقاله I ntroduction: The aim of this study was to compare the shaping ability of two single-file systems and conventional rotary instruments in severely curved root canals of extracted human molars. Methods and Materials: Mesiobuccal canals of 120 mandibular molars with angles of curvature ranging between 25 ° and 35 ° and radii of curvature from 5 to 9 mm, were divided into three groups ( n =40). In each group the canals were instrumented with either WaveOne (W), Reciproc(R) or ProTaper (P). The time required for canal shaping and the frequency of broken instruments were recorded. The standardized pre and post-instrumentation radiographs were taken to determine changes in working length (WL) and straightening of canal curvature. The presence of blockage or perforation was also evaluated. Data were analyzed using the one-way analysis of variance (ANOVA) and post-hoc Tukey’s test. The level of significance was set at 0.05. Results: Both single-instrument systems reduced the canal preparation time by approximately 50% ( P < 0.05). No incidence of broken instruments from single-file systems was reported; however, two F2 instruments in the P group were broken ( P < 0.05). Reduction in WL and straightening of canal curvature was observed in all three systems with the highest scores belonging to P system ( P < 0.05). No case of blockage or perforation was found during shaping in any group. Conclusion : Single-file systems shaped curved canals with substantial saving in time and a significant decrease in incidence of instrument separation, change in WL, and straightening of canal curvature.
کلیدواژه‌های انگلیسی مقاله Wave One®, Reciproc®, Protaper®, Human Extracted Molars
نویسندگان مقاله khaly بانه | khaly bane


babacar فایه | babacar faye


mouhamed sarr | mouhamed sarr


seydina o niang | seydina o niang


diouma ndiaye | diouma ndiaye


پییر machtou | pierre machtou


نشانی اینترنتی http://journals.sbmu.ac.ir/iej/article/view/7436
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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