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논문 기본 정보

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학술저널
저자정보
Kim, Hyun Jeong (Department of Dental Anesthesiology and Dental Research Institute, School of Dentistry, Seoul National University) Kim, Ji Eun (SMDsolution Co., Ltd.) Choo, Jiyeon (SMDsolution Co., Ltd.) Min, Jeonghee (SMDsolution Co., Ltd.) Chang, Sungho (Ray Co., Ltd.) Lee, Sang Chul (Ray Co., Ltd.) Pyun, Woong Beom (Dental Research Institute, School of Dentistry, Seoul National University) Seo, Kwang-Suk (Department of Dental Anesthesiology and Dental Research Institute, School of Dentistry, Seoul National University) Karm, Myong-Hwan (Department of Dental Anesthesiology, Seoul National University Dental Hospital) Koo, Ki-Tae (Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University) Rhyu, In-Chul (Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University) Myoung, Hoon (Department of Oral and Maxillofacial Surgery and Dental Research Institute, School of Dentistry, Seoul National University) Heo, Min-Suk (Department of Oral and Maxillofacial Radiology and Dental Research Institute, School of Dentistry, Seoul National University)
저널정보
대한영상치의학회 Imaging science in dentistry Imaging science in dentistry 제49권 제4호
발행연도
2019.1
수록면
295 - 299 (5page)

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Purpose: This clinical pilot study was performed to determine the effectiveness of dual-energy cone-beam computed tomography (DE-CBCT) in measuring bone mineral density (BMD). Materials and Methods: The BMD values obtained using DE-CBCT were compared to those obtained using calibrated multislice computed tomography (MSCT). After BMD calibration with specially designed phantoms, both DE-CBCT and MSCT scanning were performed in 15 adult dental patients. Three-dimensional (3D) Digital Imaging and Communications in Medicine data were imported into a dental software program, and the defined regions of interest (ROIs) on the 3-dimensional surface-rendered images were identified. The automatically-measured BMD values of the ROIs (g/&#13220;), the differences in the measured BMD values of the matched ROIs obtained by DE-CBCT and MSCT 3D images, and the correlation between the BMD values obtained by the 2 devices were statistically analyzed. Results: The mean BMD values of the ROIs for the 15 patients as assessed using DE-CBCT and MSCT were 1.09&#177;0.07 g/&#13220; and 1.13&#177;0.08 g/&#13220;, respectively. The mean of the differences between the BMD values of the matched ROIs as assessed using DE-CBCT and calibrated MSCT images was 0.04&#177;0.02 g/&#13220;. The Pearson correlation coefficient between the BMD values of DE-CBCT and MSCT images was 0.982 (r=0.982, P<0.001). Conclusion: The newly developed DE-CBCT technique could be used to measure jaw BMD in dentistry and may soon replace MSCT, which is expensive and requires special facilities.

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