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为比较数字荧光摄影术(DLR)和屏-片 系统拍摄头颅侧位的辐射剂量。作者选用一较小的女性头颅,中心轴径线厚度为13cm 比16cm。其颞骨岩部上方有小的骨折,并与Alderson头颅模型进行对比研究。拍摄头颅侧位片应用滤线栅,悬吊球管,高速级200屏-片系统技术,中心投照线束位于耳道上3cm及前方1.5cm,管电流-时间乘积介于3.2及16mAs之间。曝光储存板用DIGISCAN激光扫描系统阅读,自动印出图片,没有后处理。影像质量判断,视觉
Radiographic dosimetry was performed to compare cephalometric images with digital fluorography (DLR) and screen-film systems. The author selected a smaller female head, the central axis diameter thickness of 13cm than 16cm. There was a small fracture above the petrous bone and was compared with Alderson’s skull model. Filming the cranial flaps with a grid, suspended bulb, high-speed 200 screen-sheet system technology, the center projection harness located 3 cm above the ear canal and 1.5 cm in front of the tube with a current-time product between 3.2 and 16 mAs. Exposure of the storage plate with DIGISCAN laser scanning system to read, automatically print pictures, no post-processing. Image quality judgment, vision