口腔颌面部外伤并发闭合性喉损伤是创伤中的危重症之一，由于喉外伤的早期常无明显症状，易被多发性损伤所掩盖，而被忽视，故可发生严重的并发症，为了减少并发症的发生，现将作者救治的２例报道如下。１病例介绍例１女，３２岁。因下颌外伤３ｈ来院。其家属代述：于下午５点? Oral and maxillofacial trauma complicated with closed laryngeal injury is one of the critically ill traumatic injuries. Because laryngeal trauma often has no obvious symptoms in the early stage and is easily overlooked by multiple injuries, serious complications may occur. In order to Reduce the incidence of complications, now the author treatment of 2 cases reported as follows. 1 case introduction example 1 female, 32 years old. Due to mandibular trauma 3h to hospital. The family representatives: at 5 o’clock in the afternoon?