甲硝唑片置入智齿拔牙窝预防干槽症临床观察

目的：探讨分析近十年来收治的984例临床诊断为各类阻生智齿和无髓牙拔除术后，局部应用甲硝唑片预防干槽症的临床效果。方法：将984例病例随机分为两组；一组于拔牙术后即刻在拔牙窝内放置甲硝唑片，另一组即对照组拔牙窝内不放置甲硝唑片。结果：其中甲硝唑组有10例发生轻微牙窝感染(2％)，而对照组51例患干槽症(10％)。结论：甲硝唑片置入阻生齿或无髓牙拔牙窝内可以起到预防干槽症的作用。

Clinical observation on prevention against dry socket with metronidazole tablets placed into the extracted wisdom teeth socked

Objective:analysis on the clinical effect of dry socket prevention with local application of Metronidazole tablets after extraction of various types of impacted teeth and pulpless teeth based on 984 such cases which were diagnosed during the last 10 more years in this hospital. Methods:Divide the 984 cases randomly into two groups, one of them having Metronidazole tablets placed into the tooth wound immediately after the extraction operation, and the other as the comparison group withno Metronidazole tablets applied. Results:10 cases out of the first group have mild socket infection(2%), while 51 cases out of the comparison group suffer from dry socket(10%). Conclusion:Metronidazole Tablets placed into the extraction wound of impacted teeth and pulpless teeth may provide prevention against dry socket.