金属砷是口腔内科常用的牙髓失活剂。作者曾接诊1例因使用金属砷失活牙髓而引起单侧血管神经性水肿病例,报告如下:患儿,女5.5岁,因左上第一乳磨牙深龋、穿髓、食物嵌塞痛和自发痛就诊,诊断为牙髓炎,于穿髓点处封金属砷失活牙髓,嘱1周后复诊。 Metal Arsenic is a commonly used dental inactivation agent in oral medicine. The authors have received a case of unilateral dental nephropathy caused by the use of metal arsenic edema cases were reported as follows: children, female 5.5 years old, due to the upper left first molars deep caries, through the pulp, food embolism And spontaneous pain treatment, diagnosed as pulpitis, in the puncture site sealed arsenic inactivation of dental pulp, told a week after referral.