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논문 기본 정보

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학술저널
저자정보
Machado Ricardo (Department of Endodontics Pontifical Catholic University of Parana ? PUCPR Curitiba Parana Brazil.) da Silva Isadora (Department of Endodontics Paranaense University ? UNIPAR Francisco Beltrao Parana Brazil.) Comparin Daniel (Department of Endodontics Paranaense University ? UNIPAR Francisco Beltrao Parana Brazil.) de Mattos Bianca Araujo Marques (Department of Endodontics Pontifical Catholic University of Parana ? PUCPR Curitiba Parana Brazil.) Alberton Luiz Romulo (Department of Veterinary Medicine Paranaense University? UNIPAR Umuarama Parana Brazil.) da Silva Neto Ulisses Xavier (Department of Endodontics Pontifical Catholic University of Parana ? PUCPR Curitiba Parana Brazil.)
저널정보
대한치과보존학회 Restorative Dentistry and Endodontics Restorative Dentistry and Endodontics 제46권 제1호
발행연도
2021.1
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Objectives The aim of this study was to compare smear layer removal by conventional application (CA), passive ultrasonic irrigation (PUI), EasyClean (EC), and XP-Endo Finisher (XPF), using 17% ethylenediaminetetraacetic acid (EDTA) after chemomechanical preparation, as evaluated with scanning electron microscopy (SEM). Materials and Methods Forty-five single-rooted human mandibular premolars were selected for this study. After chemomechanical preparation, the teeth were randomly divided into 5 groups according to the protocol for smear layer removal, as follows: G1 (control): CA of distilled water; G2 (CA): CA of 17% EDTA; G3 (PUI): 17% EDTA activated by PUI; G4 (EC): 17% EDTA activated by EC; and G5 (XPF): 17% EDTA activated by XPF. SEM images (×1,000) were obtained from each root third and scored by 3 examiners. Data were evaluated using the Kruskal-Wallis and Dunn tests (p < 0.05). Results In the apical third, there were no statistically significant differences among the groups (p > 0.05). In the cervical and middle thirds, the experimental groups performed better than the control group (p < 0.05); however, G2 presented better results than G3, G4, and G5 (p < 0.05), which showed no differences among one another (p > 0.05). Conclusions No irrigation method was able to completely remove the smear layer, especially in the apical third. Using CA for the chelating solution performed better than any form of activation.

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