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논문 기본 정보

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학술저널
저자정보
Serefoglu Burcu (Department of Endodontics Faculty of Dentistry Ege University Bornova ?zmir Turkey.) Kandemir Demirci Gozde (Department of Endodontics Faculty of Dentistry Ege University Bornova ?zmir Turkey.) Micoo?ulları Kurt Seniha (Department of Endodontics Faculty of Dentistry Ege University Bornova ?zmir Turkey.) Ka?ıkcı Bilgi ?lknur (Bornova Oral Health Center Bornova ?zmir Turkey.) Calı?kan Mehmet Kemal (Department of Endodontics Faculty of Dentistry Ege University Bornova ?zmir Turkey.)
저널정보
대한치과보존학회 Restorative Dentistry and Endodontics Restorative Dentistry and Endodontics 제46권 제1호
발행연도
2021.1
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1 - 13 (13page)

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Objectives The aim of the current study was to assess whether the amount of extruded debris differs for straight and severely curved root canals during retreatment using H-files, R-Endo, Reciproc and ProTaper Universal Retreatment (PTU-R) files. Additionally, the area of residual filling material was evaluated. Materials and Methods Severely curved (n = 104) and straight (n = 104) root canals of maxillary molar teeth were prepared with WaveOne Primary file and obturated with gutta-percha and AH Plus sealer. Root canal filling materials were removed with one of the preparation techniques: group 1: H-file; group 2: R-Endo; group 3: Reciproc; group 4: PTU-R (n = 26). The amount of extruded material and the area of the residual filling material was measured. The data were analyzed with 2-way analysis of variance (ANOVA) and 1-way ANOVA at the 0.05 significance level. Results Except for Reciproc group (p > 0.05), PTU-R, R-Endo, and H-file systems extruded significantly more debris in severely curved canals (p < 0.05). Each file system caused more residual filling material in severely curved canals than in straight ones (p < 0.05). Conclusions All instruments used in this study caused apical debris extrusion. Root canal curvature had an effect on extruded debris, except for Reciproc system. Clinicians should be aware that the difficult morphology of the severely curved root canals is a factor increasing the amount of extruded debris during the retreatment procedure.

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