[全景体层摄影术在颞下颌关节骨折诊断中的应用]
[Panoramic zonography in the diagnosis of TMJ fractures].
作者信息
Herrmann A, Zöller J
机构信息
Klinik und Poliklinik für Mund-Kiefer-Gesichtschirurgie der Universität Heidelberg.
出版信息
Dtsch Zahnarztl Z. 1991 Jan;46(1):41-3.
The radiological diagnosis of fractures of the mandibular condyle may be quite difficult. In a study of 237 patients the value of panoramic zonography is evaluated. Advantages of the new method are orthoradial projection, examination in a supine position, and good visibility of the anatomical structures in the TMJ-S and TMJ-PA program. Radiation doses in conventional radiography are 40-60 times higher than in panoramic zonography. High resolution CT should be reserved for special indications.
下颌髁突骨折的放射学诊断可能相当困难。在一项对237例患者的研究中，对全景区域断层摄影术的价值进行了评估。这种新方法的优点是正位放射投影、仰卧位检查以及在颞下颌关节侧位片（TMJ-S）和颞下颌关节后前位片（TMJ-PA）程序中解剖结构的良好可视性。传统放射摄影中的辐射剂量比全景区域断层摄影术高40 - 60倍。高分辨率CT应保留用于特殊指征。
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