When general anesthesia does tracheal spile, the likelihood causes a tooth to fall off, and injury of tracheal, lip, tongue, guttural, vocal cords, serious when can pose breathing function obstacle.

• 全身麻醉做气管插管时，可能造成牙齿脱落，以及气管、口唇、舌、咽喉、声带损伤 ，严重时可引起呼吸功能障碍。