干槽症为拔牙术后较常见的并发症，表现为拔牙创面剧烈疼痛、周围牙龈红肿、牙槽窝内血凝块是暗灰色或液化、牙槽骨暴露、唾液和食物残渣沉集于牙槽窝，治疗比较困难。1984年以来，我们用甲硝唑糊剂治疗干槽症86例，效果良好。一、一般资料本组男48例，女38例。年龄21～64岁。 Dry trough is the more common complication after tooth extraction, which is characterized by severe pain in the tooth extraction, swollen gums around the alveolus, dark gray or liquefied alveoli, exposure of the alveolar bone, deposition of saliva and food debris in the teeth Slot socket, the treatment is more difficult. Since 1984, we use metronidazole paste in the treatment of dry trough in 86 cases, the effect is good. First, the general information The group of 48 males and 38 females. Age of 21 to 64 years old.