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Orally inserted film holder for dental radiography, has a lead strip incorporated within a film backing plate to reduce patient exposure
Orally inserted film holder for dental radiography, has a lead strip incorporated within a film backing plate to reduce patient exposure
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机译:用于口腔放射照相的口腔插入式胶片保持器,其导片结合在胶片背板内,以减少患者暴露
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摘要
Film holder for use in dental radiography by insertion in the mouth. The holder comprises a bite plate (11) and a back plate (13), essentially at right angles to the bite plate. An X-ray recording medium, e.g. a film (16), is positioned on the back plate. A blocking layer (17) is placed, within the beam path, between the recording medium and the back plate.
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