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논문 기본 정보

자료유형
학술저널
저자정보
Tufenkci Pelin (Department of Endodontics Faculty of Dentistry Hatay Mustafa Kemal University Antakya Turkey.) Orhan Kaan (Department of Dentomaxillofacial Radiology Faculty of Dentistry Ankara University Ankara Turkey.OMF) Celikten Berkan (Department of Endodontics Faculty of Dentistry Ankara University Ankara Turkey.) Bilecenoglu Burak (Department of Anatomy Faculty of Dentistry Ankara University Ankara Turkey.) Gur Gurkan (Department of Conservative Dentistry Faculty of Dentistry Ankara University Ankara Turkey.) Sevimay Semra (Department of Endodontics Faculty of Dentistry Ankara University Ankara Turkey.)
저널정보
대한치과보존학회 Restorative Dentistry and Endodontics Restorative Dentistry and Endodontics 제45권 제3호
발행연도
2020.1
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1 - 11 (11page)

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Objectives: This micro-computed tomographic (CT) study aimed to compare the shaping abilities of ProTaper Next (PTN), One Shape (OS), and One Curve (OC) files in 3-dimensionally (3D)-printed mandibular molars. Materials and Methods: In order to ensure standardization, 3D-printed mandibular molars with a consistent mesiobuccal canal curvature (45°) were used in the present study (n = 18). Specimens were instrumented with the OC, OS, or PTN files. The teeth were scanned pre- and post-instrumentation using micro-CT to detect changes of the canal volume and surface area, as well as to quantify transportation of the canals after instrumentation. Two-way analysis of variance was used for statistical comparisons. Results: No statistically significant differences were found between the OC and OS groups in the changes of the canal volume and surface area before and after instrumentation (p > 0.05). The OC files showed significantly less transportation than the OS or PTN systems for the apical section (p < 0.05). In a comparison of the systems, similar values were found at the coronal and middle levels, without any significant differences (p > 0.05). Conclusions: These 3 instrumentation systems showed similar shaping abilities, although the OC file achieved a lesser extent of transportation in the apical zone than the OS and PTN files. All 3 file systems were confirmed to be safe for use in mandibular mesial canals.

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