The purpose of this study was to evaluate the accuracy of the developed auxiliary head alignment device for true X-ray skull lateral projection and evaluate the accuracy of skull true lateral imaging according to the use of this device by applying a skull phantom. The developed non-contact patient head alignment device (HEAD) for radiography was intended to enable someone with minimal experience with X-ray imaging to inspect an accurate skull true lateral projection and ensure the reproducibility of the inspection. The tilting and rotation of the skull X-ray images were evaluated by comparing the positions of the mandibular condylar processes observed from both sides. A paired t test was performed for the differences in tilting and rotational changes before and after using the HEAD for skull lateral projection. In addition, the interclass correlation coefficient (ICC) was used for reliability evaluation according to the use of the HEAD at different times. The mean length of the left and right intervals of both intercondylar processes indicating rotation before and after the use of the HEAD was 7.25 ± 2.62 and 2.24 ± 1.32, respectively (p < 0.01). The upper and lower intervals of both intercondylar processes indicating tilting of the head were 8.18 ± 2.24 without the HEAD and 2.60 ± 1.92 using the device (p < 0.01). Using the developed HEAD, a skull lateral X-ray image with very accurate information for the patient’s diagnosis can be acquired

这项研究的目的是评估开发的用于真实X射线颅骨侧向投影的辅助头部对准设备的准确性，并通过应用颅骨幻影根据该设备的使用来评估颅骨真实侧向成像的准确性。研发的用于射线照相的非接触式患者头部对准设备（HEAD）旨在使对X射线成像经验很少的人能够检查准确的颅骨真实侧向投影并确保检查的可重复性。通过比较从两侧观察到的下颌con突的位置来评估头骨X射线图像的倾斜和旋转。一对t在使用HEAD进行颅骨侧向投影前后，对倾斜和旋转变化的差异进行了测试。此外，根据在不同时间使用HEAD的情况，将类间相关系数（ICC）用于可靠性评估。两次con突间左右间隔的平均长度分别指示在使用HEAD之前和之后旋转，分别为7.25±2.62和2.24±1.32（p  <0.01）。表示con骨头倾斜的两个con间突的上下间隔分别为8.18±2.24（不使用HEAD）和使用该装置时的2.60±1.92（p  <0.01）。使用开发的HEAD，可以获得具有非常准确的信息以供患者诊断的颅骨X线图像