患者，女，47岁。1999年3月25日晚7时在当地个体牙医处拔牙，因龋齿损坏严重，牙体远中部分撬下后掉入口内，恰逢患者张口吸气，随即将牙齿碎块吸入气管内，当即出现剧烈呛咳，急诊入院。检查：神清，表情痛苦，呼吸浅促，深吸气时即咳嗽。双肺呼吸音粗糙，无哮鸣音。胸透及胸 Patient, female, 47 years old. At 25 o’clock on March 25, 1999 at the local individual dentists Department of tooth extraction, due to dental caries were severely damaged, the distal part of the toothpick dropped into the mouth, coincides with the patient mouth inhale, then the tooth fragments inhalation trachea, immediately Severe cough, emergency admission. Check: God clear, facial expression pain, shallow breathing, deep breathing that is coughing. Breathing lungs rough, no wheezing. Chest thorax and chest