严重的口腔颌面部外伤,常有不同程度的窒息、出血、颅脑损伤等合并症出现。首先应仔细、迅速而全面地检查伤员,抢救伤员生命。窒息的抢救:①取出口腔及咽部的泥土、弹片、碎牙或碎骨片等异物,吸出口腔内的分泌物、血液、血块等。②有舌后坠时,用缝线或大别针穿于舌尖后1.5～2ｃ Serious oral and maxillofacial trauma, often varying degrees of asphyxia, bleeding, head injury and other complications appear. First of all, carefully and promptly and comprehensively inspect the wounded and rescue the wounded. Apnea rescue: ① remove the mouth and pharynx of the earth, shrapnel, broken teeth or bone fragments and other foreign bodies, sucked out of the oral secretions, blood, blood clots and so on. ② after the tongue falls, with sutures or large wear on the tongue 1.5 ~ 2c