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논문 기본 정보

자료유형
학술저널
저자정보
Lagos de Melo Larissa Pereira (Department of Oral Diagnosis Division of Oral Radiology Piracicaba Dental School University of Campinas Piracicaba São Paulo Brazil.) Queiroz Polyane Mazucatto (Department of Oral Diagnosis Division of Oral Radiology Piracicaba Dental School University of Campinas Piracicaba São Paulo Brazil.) Moreira-Souza Larissa (Department of Oral Diagnosis Division of Oral Radiology Piracicaba Dental School University of Campinas Piracicaba São Paulo Brazil.) Nadaes Mariana Rocha (Dental Clinic Department Division of Oral Radiology Dental School Federal Fluminense University Niterói Rio de Janeiro Brazil.) Santaella Gustavo Machado (Department of Diagnosis and Oral Health University of Louisville School of Dentistry Louisville KY USA.) Oliveira Matheus Lima (Department of Oral Diagnosis Division of Oral Radiology Piracicaba Dental School University of Campinas Piracicaba São Paulo Brazil.) Freitas Deborah Queiroz (Department of Oral Diagnosis Division of Oral Radiology Piracicaba Dental School University of Campinas Piracicaba São Paulo Brazil.)
저널정보
대한치과보존학회 Restorative Dentistry and Endodontics Restorative Dentistry and Endodontics 제48권 제2호
발행연도
2023.5
수록면
1 - 11 (11page)
DOI
10.5395/rde.2023.48.e16

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초록· 키워드

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Objectives The aim of this study was to evaluate the influence of peak kilovoltage (kVp) and a metal artifact reduction (MAR) tool on image quality and the diagnosis of vertical root fracture (VRF) in cone-beam computed tomography (CBCT). Materials and Methods Twenty single-rooted human teeth filled with an intracanal metal post were divided into 2 groups: control (n = 10) and VRF (n = 10). Each tooth was placed into the socket of a dry mandible, and CBCT scans were acquired using a Picasso Trio varying the kVp (70, 80, 90, or 99), and the use of MAR (with or without). The examinations were assessed by 5 examiners for the diagnosis of VRF using a 5-point scale. A subjective evaluation of the expression of artifacts was done by comparing random axial images of the studied protocols. The results of the diagnoses were analyzed using 2-way analysis of variance and the Tukey post hoc test, the subjective evaluations were compared using the Friedman test, and intra-examiner reproducibility was evaluated using the weighted kappa test (α = 5%). Results The kVp and MAR did not influence the diagnosis of VRF (p > 0.05). According to the subjective classification, the 99 kVp protocol with MAR demonstrated the least expression of artifacts, while the 70 kVp protocol without MAR led to the most artifacts. Conclusions Protocols with higher kVp combined with MAR improved the image quality of CBCT examinations. However, those factors did not lead to an improvement in the diagnosis of VRF.

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