本文首次较详细的介绍了运用硬性内窥镜技术进行颌下腺导管结石的诊断与摘除;颌骨囊性病变的诊断;上颌窦疾病的诊断与治疗。同时对以前介绍较少的颞颌关节镜进入关节腔后的操作方法进行了较详细的介绍外,还对当前颞颌关节镜研究的新进展——颞颌关节镜外科进行了介绍。 This article for the first time introduced in more detail the use of rigid endoscopic techniques for the diagnosis and removal of submandibular gland duct stones; diagnosis of cystic lesions of the jaw; diagnosis and treatment of maxillary sinus diseases. At the same time, we introduced the operation method of the temporomandibular arthroscope into the joint cavity with less introduction in the past, and introduced the new progress of the temporomandibular arthroscopy-temporomandibular arthroscopy.