کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
3147354 1197359 2015 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of Ultrasonic Activation of Irrigants on Smear Layer Removal
ترجمه فارسی عنوان
اثر فعال سازی التراسونیک ضدعفونی بر روی حذف لایه ای
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی دندانپزشکی، جراحی دهان و پزشکی
چکیده انگلیسی


• PUI was no better than conventional irrigation on smear layer removal.
• The low and high vacuum of the SEM provided images pre and post final irrigation, respectively.
• The number and the corresponding area of opened dentinal tubules were analyzed by software.

IntroductionThe objective of this study was to evaluate the efficacy of passive ultrasonic irrigation (PUI) with 17% EDTA and 1% NaOCl solutions on smear layer removal.MethodsRoot canal preparations of 32 human teeth were performed with the ProTaper system. Next, they were longitudinally fractured to permit quantitation of smear layer creation from the cervical, middle, and apical thirds of the roots by using scanning electron microscopy. After reassembling the fractured tooth halves, they were divided into 4 groups according to different final irrigation protocols: group1, EDTA + NaOCl; group 2, EDTA with PUI + NaOCl; group 3, EDTA + NaOCl with PUI; and group 4, EDTA + NaOCl, both with PUI. After irrigation, the tooth halves were separated to permit imaging the same areas by scanning electron microscopy, and a percentage of opened dentinal tubules in irrigated areas as a percent of the total area was obtained. The results were submitted to Kruskal-Wallis, analysis of variance, and Bonferroni tests (α = 0.05).ResultsThe cervical third of the samples from all groups showed higher percentage of smear layer removal and open dentinal tubule areas, followed by the middle and apical thirds. Among the irrigation groups, there were statistically significant differences in cervical third between group 2 and group 4 samples, with the highest and lowest percentage of smear layer removal, respectively.ConclusionsPUI by using 1% NaOCl and ultrasonic tip placed within 1 mm of the apical foramen did not show higher efficacy in smear layer removal compared with conventional irrigation.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Endodontics - Volume 41, Issue 8, August 2015, Pages 1359–1363
نویسندگان
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