パノラマX線撮影による Fuji Computed Radiography の検討
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概要
- 論文の詳細を見る
The Fuji Computed Radiography (FCR) developed recently involves the following procedures;photography in the same way as the hitherto radiography, printing auto imaging plate of photostimulable phospher, conversion to electric signals, and recording reproduced images by computerization.<BR>Highly valuable images for diagnoses in the medical field have already been obtained by the FCR.Then, we attempted to study FCR images panoramically radiographed for jaw lesions in the field of oral surgery.<BR>Method for study: As the samples to be studied, the selected subjects were cases of periodontal diseases, fracture of the jaw, odontogenic cyst and tumor, etc.<BR>In the present study the FCR images of panoramic radiography were compared with hitherto panoramic flat radiograms.<BR>Result of study: Although the images of the FCR vary depending on the methods of treatment, that is, on how gradient processing and spatial frequency enhancement are, the method of purpose-fitting treatment provided diagnostically significant images for grasping bone lesions.<BR>The images obtained from this FCR permitted us to grasp more distinctly condition of alveolar bone resorption in periodontal diseases, running of minute fracture lines in fracture of the jaw, and characteristic images of bone resorption in odontogenic cysts and tumor, etc.<BR>Thus the images of the FCR are highly useful in diagnosing bone lesions, but granularity of the images themselves have still been questioned, and additionally the images vary depending on the methods of gradient processing and spatial frequency enhancement. Therefore further repeat studies are probably needed for these questions.
- 社団法人 日本口腔外科学会の論文
著者
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高木 嘉子
金沢医科大学歯科口腔外科学教室
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船本 長一朗
金沢医科大学口腔外科学教室
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塩田 覚
金沢医科大学口腔外科学教室
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吉田 徹
金沢医科大学歯科口腔外科学教室
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高沢 一良
金沢医科大学歯科口腔外科学教室
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中村 哲
金沢医科大学歯科口腔外科学教室
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塩田 覚
金沢医科大学医学部歯科口腔外科学教室
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