口腔内放射摄影中解剖定位和患者舒适度的临床评估：干板X线摄影与胶片的比较
Clinical assessment of anatomic positioning and patient comfort for intraoral radiography: a comparison of xeroradiography versus film.
作者信息
Gratt B M, Sickles E A, Forsythe A A
出版信息
Oral Surg Oral Med Oral Pathol. 1987 Aug;64(2):241-8. doi: 10.1016/0030-4220(87)90097-1.
The Xerox 110 dental system employs rigid beveled-edge cassettes containing charged selenium-alloy plates for intraoral xeroradiography. This study evaluates the ability of a skilled operator to position these cassettes accurately within the oral cavity as compared to the ability to position conventional film packets using two types of image holders. Results indicate that xeroradiographic cassettes are significantly more difficult to use for complete-mouth radiographs than comparable conventional film packets. Also, the use of xeroradiographic cassettes causes a slight increase in patient discomfort. In addition, two types of rectangular collimating devices were shown to be useful. The greatest shortcoming of the xeroradiographic cassette is not its greater thickness or rigidity but the reduced dimensions of its internal surface area.
施乐110牙科系统采用装有带电硒合金板的刚性斜边暗盒进行口腔内干板X线摄影。本研究评估了熟练操作人员将这些暗盒准确放置在口腔内的能力，并与使用两种类型的影像固定器放置传统胶片暗袋的能力进行比较。结果表明，与可比的传统胶片暗袋相比，干板X线摄影暗盒用于全口X光片拍摄时明显更难操作。此外，使用干板X线摄影暗盒会使患者不适略有增加。另外，两种类型的矩形准直装置被证明是有用的。干板X线摄影暗盒最大的缺点不是其厚度或刚性更大，而是其内表面积尺寸减小。
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