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长期以来临床医师以X线检查为诊断颞颌关节疾患的主要辅助手段。但由于在X线上颞下颌关节与头骨影像重叠,难以分辨细微的病变。特别是对X线平片不显影的关节盘、关节滑膜,即使关节内造影,对其病变也不易获得准确的观察结果。更谈不上对关节内软组织病变的早期进行观察研究了。直接对颞颌关节内部进行观察,已成为迫切的临床课题。
For a long time clinicians to X-ray examination for the diagnosis of temporomandibular joint disorders, the main adjunct. However, due to the overlap of the TMJ and the skull image on the X-ray, it is difficult to distinguish subtle lesions. Especially on the X-ray film is not the development of articular disc, synovial joint, even if the intra-articular imaging, its lesions are not easy to obtain accurate observations. Not to mention the early observation of soft tissue lesions within the joint study. Direct observation of the internal temporomandibular joint has become an urgent clinical issue.