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논문 기본 정보

자료유형
학술저널
저자정보
Fernanda Garcia Tampelini (São Leopoldo Mandic Dental School) Marcelo Santos Coelho (Universidade Paulista School of Dentistry) Marcos de Azevêdo Rios (São Leopoldo Mandic Dental School) Carlos Eduardo Fontana (Pontifical Catholic University of Campinas) Daniel Guimarães Pedro Rocha (Pontifical Catholic University of Campinas) Sergio Luiz Pinheiro (Pontifical Catholic University of Campinas) Carlos Eduardo da Silveira Bueno (São Leopoldo Mandic Dental School)
저널정보
대한치과보존학회 Restorative Dentistry and Endodontics Restorative Dentistry and Endodontics 제42권 제3호
발행연도
2017.8
수록면
200 - 205 (6page)

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Objectives: The aim of this in vivo study was to assess the accuracy of 2 third-generation electronic apex locators (EALs), Propex II (Dentsply Maillefer) and Root ZX II (J. Morita), and radiographic technique for locating the major foramen (MF). Materials and Methods: Thirty-two premolars with single canals that required extraction were included. Following anesthesia, access, and initial canal preparation with size 10 and 15 K-flex files and SX and S1 rotary ProTaper files, the canals were irrigated with 2.5% sodium hypochlorite. The length of the root canal was verified 3 times for each tooth using the 2 apex locators and once using the radiographic technique. Teeth were extracted and the actual WL was determined using size 15 K-files under a × 25 magnification. The Biostat 4.0 program (AnalystSoft Inc.) was used for comparing the direct measurements with those obtained using radiographic technique and the apex locators. Pearson's correlation analysis and analysis of variance (ANOVA) were used for statistical analyses. Results: The measurements obtained using the visual method exhibited the strongest correlation with Root ZX II (r = 0.94), followed by Propex II (r = 0.90) and Ingle's technique (r = 0.81; p < 0.001). Descriptive statistics using ANOVA (Tukey's post hoc test) revealed significant differences between the radiographic measurements and both EALs measurements (p < 0.05). Conclusions: Both EALs presented similar accuracy that was higher than that of the radiographic measurements obtained with Ingle's technique. Our results suggest that the use of these EALs for MF location is more accurate than the use of radiographic measurements.

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