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논문 기본 정보

자료유형
학술저널
저자정보
Lee Yoon-Joo (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University, Gangneung, Korea.) Cho Kyung-Mo (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University, Gangneung, Korea.) Park Se-Hee (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University, Gangneung, Korea.) Lee Yoon (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University, Gangneung, Korea.) Kim Jin-Woo (Department of Conservative Dentistry, College of Dentistry, Gangneung-Wonju National University, Gangneung, Korea.)
저널정보
대한치과보존학회 Restorative Dentistry and Endodontics Restorative Dentistry and Endodontics Vol.49 No.2
발행연도
2024.5
수록면
1 - 13 (13page)
DOI
10.5395/rde.2024.49.e20

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초록· 키워드

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Objectives This study investigated the nanoleakage of root canal obturations using calcium silicate-based sealer according to different drying methods. Materials and Methods Fifty-two extracted mandibular premolars with a single root canal and straight root were selected for this study. After canal preparation with a nickel-titanium rotary file system, the specimens were randomly divided into 4 groups according to canal drying methods (1: complete drying, 2: blot drying/distilled water, 3: blot drying/NaOCl, 4: aspiration only). The root canals were obturated using a single-cone filling technique with a calcium silicate–based sealer. Nanoleakage was evaluated using a nanoflow device after 24 hours, 1 week, and 1 month. Data were collected twice per second at the nanoscale and measured in nanoliters per second. Data were statistically analyzed using the Kruskal-Wallis and Mann–Whitney U-tests (p < 0.05). Results The mean flow rate measured after 24 hours showed the highest value among the time periods in all groups. However, the difference in the flow rate between 1 week and 1 month was not significant. The mean flow rate of the complete drying group was the highest at all time points. After 1 month, the mean flow rate in the blot drying group and the aspiration group was not significantly different. Conclusions Within the limitations of this study, the canal drying method had a significant effect on leakage and sealing ability in root canal obturations using a calcium silicate-based sealer. Thus, a proper drying procedure is critical in endodontic treatment.

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