Patel J R
Oral Surg Oral Med Oral Pathol. 1979 Nov;48(5):479-83. doi: 10.1016/0030-4220(79)90081-1.
The purpose of this investigation was to investigate intraoral radiography in regards to the frequency of errors, the types of error necessitating retakes, and the relationship of error frequency to the teeth area examined and type x-ray cone used. The present study used 283 complete mouth radiographic surveys made, and 890 radiographs were found to be clinically unacceptable for one or more errors in technique. Thirteen and one-tenth errors per one hundred radiographs were found in this study. The three major radiographic errors occurring in this study were incorrect film placement (49.9 percent), cone-cutting (20.8 percent), and incorrect vertical angulation (12.5 percent).
本调查的目的是研究口腔内放射摄影在错误频率、需要重新拍摄的错误类型，以及错误频率与所检查牙齿区域和使用的X线牙片投照角度之间的关系。本研究采用了283份全口放射摄影检查，发现890张放射照片因一项或多项技术错误而在临床上不可接受。本研究中每100张放射照片发现有13.1处错误。本研究中出现的三大放射摄影错误是胶片放置不正确（49.9%）、牙片投照角度不当（20.8%）和垂直角度不正确（12.5%）。
