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曲面断层全景摄影有效地应用于口腔外科已有多年,因此有可能提出关于这种技术的适应征、优点和缺点的可靠知识,本文着重讨论曲面断层全景摄影技术在颜面骨折的诊断价值,本文是基于正位曲面断层摄影的实践经验。一张正位曲面断层摄影片(Orthopant-omogram)可显示整个下颔骨全景,包括颞颌关节和面正中部冠状切面,但显示的影像并非在各个区域都同样好,由于技术上的原因,焦距的不同和颈椎的重叠,侧面区域较前面区域影像更清晰。其细节方面叙述如下:
Surface panoramic tomography has been used effectively in oral surgery for many years, so it is possible to come up with reliable knowledge of the indications, strengths and weaknesses of this technique. This article focuses on the diagnostic value of curved tomography in facial fractures Practical experience based on orthographic curvature tomography. An Orthopant-omogram shows a panoramic view of the entire lower tarsal bone, including the temporomandibular joint and the mid-face coronal section, but the images displayed are not as good in all regions. For technical reasons, Different focal lengths and cervical overlap, the side of the area than the previous image clearer. The details are as follows: