書誌事項
- タイトル別名
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- Panoramic radiography of the temporomandibular joint. Part 3: Detectability of osseous changes on autopsy mandibular condyles by two different projections in panoramic radiography.
- Part3: Detectability of osseous changes on autopsy mandibular condyles by two different projections in panoramic radiography
- 第三報 撮影方向の違いによる剖検下顎頭の骨形態異常検出率の比較
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抄録
The detectability of osseous abnormalities of the mandibular condyle in two different projections using the panoramic x-ray unit was examined. Seventy two autopsy mandibular condyles with macroscopic osseous changes were selected. Corrected sagittal and frontal tomography and panoramic radiography were performed with the condyle in the tomographic layer. Panoramic radiography included two different projections, one at a horizontal angulation of 18° postero-medially from the frontal plane (lateral mode) and another 30° antero-medially (oblique mode). The vertical angulation of the x-ray tube was fixed upward 3° for the lateral and oblique projections. Radiographic concavity, osteophyte, sclerosis and erosion of the condyles were recorded. Sensitivity of the detection of these osseous abnormalities revealed by the two panoramic projections were calculated based on sagittal and frontal tomographic findings as a gold standard. Sensitivity of the detection of each abnormality revealed by lateral panoramic projections/oblique projections/combination of lateral and oblique projections were as follows. Concavity; 0.49/0.22/0.63, osteophyte; 0.69/0.38/0.69, erosion; 0.42/0.71/0.71, sclerosis; 0.46/0.38/0.50, total; 0.73/0.51/0.75. The oblique projection was essential for the detection of erosion, while the lateral projection for osteophyte. When panoramic radiography is employed as a scouting method for temporomandibular joint disease, two different projections are necessary to detect osseous abnormalities sensitively.
収録刊行物
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- 歯科放射線
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歯科放射線 37 (2), 127-135, 1997
特定非営利活動法人 日本歯科放射線学会
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詳細情報 詳細情報について
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- CRID
- 1390001204961936512
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- NII論文ID
- 130003753797
- 10024566233
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- NII書誌ID
- AN00101479
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- ISSN
- 21856311
- 03899705
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可