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《Modern Medical Imageology》 2012-04
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Low-Dose Digital Dental Panoramic Radiography Technology Discussion

Yao Lixing Jiang Zhengchun Department of Radiography,The People′s Hospital of Dong hai County,Jiangsu 222300 China  
Purpose:Study of low dose digital dental panoramic photography,in order to improve oral panorama image quality,reduce the examinee radiation dose.Materials and Methods:The use of the German ORTHOPHOS XG digital panoramic camera,in 60 cases tested volunteers to a machine automatically given photographic parameters and the selected photographic parameters of digital dental panoramic photography,recording the respective ray volume(mAs) and compare.Results:Children and medium build subject to 90 kVp,6mA,14.1s photography is automatically given 62kVp,8mA,14.1s photography X amount can be reduced by 25%,fat body subject to 90 kVp,12mA,14.1s photography is automatically given 73kVp,15mA,14.1s photography X amount can be reduced by 20%,to 90 kVp,6mA,14.1s 90 kVp,12mA,14.1s photography is photography X amount can be reduced by 50%,and the image quality have no obvious difference.Conclusion:Digital dental panoramic radiography in High KV(90kVp) is appropriate,can reduce the radiation dose.
【CateGory Index】: R816.4
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