美国发明了一种新的电子X射线系统,它能使人的牙齿图像显示在电子计算机的屏幕上,加快了牙科检查速度,并更为安全。新系统使用电子探测器代替了X线胶片,与传统的X光技术相比,所用X线减少了一半或三分之一。亚利桑那大学的放射学研究教授、光学专家Hans Rochrig说,牙科医生运用该系统能够从图像中迅速作出较好的判断,也可消 The United States invented a new electronic x-ray system that displays human tooth images on a computer screen, accelerates dental exams and is safer. The new system replaces X-ray film with an electronic detector, reducing X-rays by one-half or one-third compared to conventional X-ray technology. Hans Rochrig, an optical specialist at the University of Arizona’s professor of radiology and optical specialist, said dentists can use the system to quickly make better judgments from images,