Objective: To look for an effective clinical therapeutical method for oral and maxillofacial salivary myoepithelioma.

手治疗涎腺肌上皮瘤的最佳方法。

To compare the effect between general anesthesia by nasal cavity blindly intubation with and without topical anesthesia through thyrocricocentesis in maxillofacial operations.

比较环甲膜穿刺表麻与否对全麻鼻腔盲的影响。