2種類の歯科用コーンビームCTの吸収線量と実効線量に関する検討 Comparison of Absorbed and Effective Dose from Two Dental Cone Beam Computed Tomography Scanners

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著者

    • 岡野 恒一 OKANO Tsuneichi
    • 愛知学院大学歯学部歯科放射線学講座 Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi-Gakuin University
    • 松尾 綾江 MATSUO Ayae
    • 愛知学院大学歯学部附属病院放射線技術部 Department of Technical Radiology, Dental Hospital, Aichi-Gakuin University
    • 横井 みどり YOKOI Midori
    • 愛知学院大学歯学部附属病院放射線技術部 Department of Technical Radiology, Dental Hospital, Aichi-Gakuin University
    • 蛭川 亜紀子 HIRUKAWA Akiko
    • 愛知学院大学歯学部附属病院放射線技術部 Department of Technical Radiology, Dental Hospital, Aichi-Gakuin University
    • 奥村 信次 OKUMURA Shinji
    • 愛知学院大学歯学部附属病院放射線技術部 Department of Technical Radiology, Dental Hospital, Aichi-Gakuin University
    • 小山 修司 KOYAMA Shuji
    • 名古屋大学医学部保健学科 Department of Radiological Technology, Nagoya University School of Health Sciences

抄録

<i>Objective</i>: This research compared the field of view with the tissue absorbed dose and effective doses using the two dental cone beam computed tomography (CBCT) scanners. <i>Materials and Methods</i>: Two CBCT devices, an Alphard VEGA and 3DX multi-image micro CT MCT-1, were used. Measurements were made using an Alderson RANDO phantom and thermoluminescence dosimeters (TLDs). The calculation of the effective dose was carried out according to ICRP Publication 60 and 103. <i>Results</i>: The effective doses for Alphard VEGA D mode, I mode, P mode, and C mode were 86, 238, 413, and 323 μSv, respectively. The effective doses using 3DX for the maxillary incisor, maxillary molar, mandibular incisor, mandibular molar, TMJ, and mandibular molar scout images were 27, 30, 48, 60, 14, and 1 μSv, respectively. <i>Conclusions</i>: Both Alphard VEGA and 3DX values revealed salivary gland and oral mucosa doses much higher than those required for other tissues. It is necessary to select a small mode suitable in order to realize optimization.

収録刊行物

  • 日本放射線技術學會雜誌

    日本放射線技術學會雜誌 68(3), 216-225, 2012-03-20

    Japanese Society of Radiological Technology

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各種コード

  • NII論文ID(NAID)
    10030139223
  • NII書誌ID(NCID)
    AN00197784
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    03694305
  • NDL 記事登録ID
    023639961
  • NDL 請求記号
    Z19-205
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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