徳島大学 教育・研究者情報データベース(EDB)

1. 徳島大学.大学院医歯薬学研究部(2015年4月1日〜)

1. (英) Yoshihara Hozumi / (日) 吉原 穂積 / (読) よしはら ほづみ

   役割	任意
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   学籍番号	推奨	****

2. 細木 秀彦

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3. 吉田 みどり

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4. (英) Kume Yoshio / (日) 久米 芳生 / (読) くめ よしお

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5. 音見 暢一([徳島大学.病院.中央診療施設等.放射線部]/[徳島大学.病院.診療科.放射線科.放射線診断科])

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6. 天野 雅史([徳島大学.病院.診療支援部])

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7. (英) Yuasa Masao / (日) 湯浅 将生 / (読) ゆあさ まさお

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8. 山田 健二([徳島大学.病院.診療支援部])

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9. 水頭 英樹([徳島大学.大学院医歯薬学研究部.歯学域.先端歯学教育研究プロジェクト]/[徳島大学.大学院医歯薬学研究部.歯学域.口腔科学部門.臨床歯学系.歯科放射線学]/[徳島大学.病院.診療科.歯科.歯科放射線科])

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10. 前田 直樹([徳島大学.病院.診療科.歯科.歯科放射線科])

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11. (英) Kawata Naonobu / (日) 川田 直伸 / (読) かわた なおのぶ

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12. 原田 雅史([徳島大学.大学院医歯薬学研究部.医学域.医科学部門.内科系.放射線医学])

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13. 誉田 栄一

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(英) Changes in Image Examinations at the Department of Oral Radiology -The Number of Intraoral and Panoramic Radiographs-

(日) 歯科放射線科の撮影件数の推移 -口内法枚数と口外法件数-

(英) After the computed radiography (CR) system was developed in 1986, it became possible to acquire, view and save digital images for medical diagnosis. Around that time, panoramic radiography was digitized by the CR system, but it was limited to large hospitals. From 1994, it has been digitized at large hospitals and dental clinics. We examined the changes in the number of intraoral and panoramic radiographs in dentistry, and based on the relationships among the numbers of radiographs, patients and dental operations, we discussed the clinical significance of digitization.<br>We extracted intraoral and panoramic radiography data, the number of dental operations and the number of patients from the database of Tokushima University Hospital from 2002 to 2017. Then, we extracted nationwide data from Statistics of Medical Care Activities in Public Health by the Ministry of Health, Labour and Welfare from 2002 to 2017.<br>As a result, although the numbers of patients and dental operations at Tokushima UniversityHospital have remained constant, the number of intraoral radiographs has decreased (72%), whereas the number of panoramic radiographs has increased annually since 2011 (131%). In addition, although the number of patients and nationwide insurance points increased in a different manner than that at Tokushima University Hospital, a decrease in the number of intraoral radiographs and an increase in the number of panoramic radiographs were noted across Japan. As panoramic imaging has been improved and adapted to different settings, panoramic radiography has been used instead of intraoral radiography, and it has been widely used in screening applications such as for perioperative patients. Although digitization is progressing, the analog images are still used (intraoral radiography analog rate, 29.7%, panoramic radiography analog rate, 12.4% in 2017).

1. (日) 口内法撮影
2. (日) パノラマ撮影
3. (日) デジタル化