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目的 探讨在拔除下颌阻生齿后 ,采用明胶海绵替硝唑浸湿剂置于牙槽窝内是否在预防干槽症中发挥作用。方法 临床上随机选择A、B两组下颌第三磨牙拔除的病人 ,每组 10 0例 ,A组为拔除下颌阻生齿后缝合不做其他处理 ,B组在拔牙后应用明胶海绵替硝唑浸湿剂置于拔牙创内并缝合。结果 A、B两组在拔牙后 4 8～ 72h无显著差异 ,在 72h后发生干槽症上A组明显大于B组 (P <0 .0 5 )。结论 明胶海绵替硝唑浸湿剂有明显的预防拔牙术后发生干槽症的作用。
Objective To investigate whether the use of gelatin sponge tinidazole wetting agent placed in the alveolar fossa plays an important role in the prevention of dry socket after removal of mandibular impacted teeth. Methods A total of 100 cases were randomly selected from group A and group B. The patients in group A received suture extraction without mandibular incision and were treated with no other treatment. Group B was treated with gelatin sponge tinidazole Wetting agent placed in the tooth and wound. Results There was no significant difference between 48 and 72 hours after tooth extraction in group A and group B, and group A was significantly larger than group B in dry-slot disease after 72 hours (P <0.05). Conclusion Gelatin sponge tinidazole wetting agent has obvious effect of preventing dry socket after tooth extraction.