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首页> 外文期刊>International endodontic journal >A comparative study of image quality and radiation exposure for dental radiographs produced using a charge-coupled device and a phosphor plate system.
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A comparative study of image quality and radiation exposure for dental radiographs produced using a charge-coupled device and a phosphor plate system.

机译:使用电荷耦合装置和磷光板系统制作的牙科X光片的图像质量和放射线曝光的对比研究。

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AIM: To investigate the quality of periapical radiographic images produced by two digital dental radiography systems, a charge-coupled device (CCD) and a photostimulable phosphor (PSP) image plate system, and to examine the overall radiation exposure when using these systems in a clinical setting. METHODOLOGY: Patients were randomly allocated to both systems and the resultant radiographs rated for quality. The expected radiation exposure for an investigation was calculated. RESULTS: Overall, 98 images were acquired using the CCD system and 108 with the PSP system. The PSP system produced significantly higher quality (P < 0.001) periapical images compared with the CCD system. The CCD system required significantly more (P < 0.001) repeat exposures to obtain a diagnostic image than the PSP system but at a lower expected radiation exposure. CONCLUSIONS: The image quality was superior using the phosphor plate system. Although more repeat radiographs were required using the CCD system, the images were produced with a lower expected radiation exposure.
机译:目的:研究由两个数字牙科射线照相系统,一个电荷耦合器件(CCD)和一个光刺激性磷光体(PSP)图像板系统产生的根尖周射线照相图像的质量,并检查将这些系统用于牙科手术时的总体辐射暴露临床上。方法:将患者随机分配至两个系统,并对产生的X光片进行质量评定。计算出预期的辐射暴露量。结果:总体而言,使用CCD系统采集了98张图像,而使用PSP系统采集了108张图像。与CCD系统相比,PSP系统产生的根尖周图像质量更高(P <0.001)。与PSP系统相比,CCD系统需要更多(P <0.001)的重复曝光才能获得诊断图像,但预期的辐射曝光量较低。结论:使用荧光板系统的图像质量更好。尽管使用CCD系统需要更多的重复X射线照片,但是以较低的预期辐射曝光产生图像。

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