Evaluation of 3D-CT stereotaxic images for lateral cephalometric analysis
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概要
- 論文の詳細を見る
Lateral cephalometric radiography provides very important data for morphometric analysis of the craniofacial bone structure. However, it is well known that cephalometric radiography involves problems related to magnification of images, such as errors in positioning. To resolve these problems, we studied stereotaxic imaging using 3 D-CT and evaluated its usefulness in comparison to lateral cephalometric radiography. We subjected a cubic skull model, made of square aluminum plates (150mm on each side) to lateral cephalometric radiography and made 3D-CT stereotaxic images after positioning it based on the Frankfort horizontal plane. The 3 D-CT stereotaxic images represented the model accurately. However, with lateral cephalometric radiographs, complex image magnification and compression occurred depending on the positional relationship of the X-ray tube to the film and the direction of X-ray irradiation, leading to a potential inability to obtain correct morphometric analysis and evaluation. We concluded that stereotaxic images using 3 D-CT provide a more accurate and valid means of morphometric evaluation and diagnosis. (J Osaka Dent Univ 2005 ; 39 : 71-77.)
- 大阪歯科学会の論文
著者
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Kakudo Kenji
Second Department of Oral and Maxillofacial Surgery, Osaka Dental University
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Ohnishi Yuichi
Second Department of Oral and Maxillofacial Surgery, Osaka Dental University
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Nakajima Masahiro
Second Department of Oral and Maxillofacial Surgery, Osaka Dental University
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Kawamoto Tatsuo
Department of Orthodontics, Osaka Dental University
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Nakajima Masahiro
大阪歯科大学 歯科矯正学講座
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Nakajima Masahiro
Second Department Of Oral And Maxillofacial Surgery Osaka Dental University
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Kakudo Kenji
大阪歯科大学 大学院歯学研究科口腔外科学第二
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Kakudo Kenji
Second Department Of Oral And Maxillofacial Surgery Osaka Dental University
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HAYASHI Kazuo
Department of Forest Resources, Faculty of Agriculture, Ehime University
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Goda Rie
Department of Orthodontics, Osaka Dental University
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Sano Yoshiko
Department of Orthodontics, Osaka Dental University
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Kim Han
Department of Orthodontics, Osaka Dental University
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Morishita Hiroshi
Second Department of Oral and Maxillofacial Surgery, Osaka Dental University
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Sano Toshiya
Department of Oral and Maxillofacial Surgery, Osaka City General Hospital
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Kawasaki Yasunori
Department of Oral Radiology, Osaka Dental University
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Kawamoto Tatsuo
Osaka Dental Univ. Osaka Jpn
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Kawamoto Tatsuo
Department Of Orthodontics Osaka Dental University
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Ohnishi Yuichi
Second Department Of Oral And Maxillofacial Surgery Osaka Dental University
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Kim Han
Department Of Biotechnology Hoseo University
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Kakudo K
Second Department Of Oral And Maxillofacial Surgery Osaka Dental University
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Kim Han
Department Of Orthodontics Osaka Dental University
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Kakudo Kenji
大阪歯科大学 歯学研究科口腔外科学第2
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Goda Rie
Department Of Orthodontics Osaka Dental University
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Sano Yoshiko
Department Of Orthodontics Osaka Dental University
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Sano Toshiya
Department Of Oral And Maxillofacial Surgery Osaka City General Hospital
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Nakajima M
Osaka Dental Univ. Hirakata‐shi Jpn
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Ohnishi Y
Osaka Dental Univ. Hirakata‐shi Jpn
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Ohnishi Yuichi
Second Department Of Oral And Maxillofacial Surgery Osaka Dental University Hospital
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Morishita Hiroshi
Second Department Of Oral And Maxillofacial Surgery Osaka Dental University
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Morishita H
Graduate School Of Dentistry (oral And Maxillofacial Surgery) Osaka Dental University
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Kakudo Kenji
Second Department Of Oral And Maxillofacial Surgery Osak Dental University
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Kawasaki Yasunori
Department Of Oral Radiology Osaka Dental University
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Kim Han
Department Of Biochemistry College Of Life Science And Biotechnology Yonsei University
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Hayashi Kazuo
Department Of Electrical Engineering Faculty Of Engineering Nagoya University
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Hayashi Kazuo
Department Of Orthodontics Osaka Dental University
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