Methods:Primary dental root canal was simulated with silica gel tubes, one end sealed and the other end open. The tubes were filled Zinc-Oxide-Eugenol(ZOE), Ca(OH) 2 and iodoform respectively with sterile conditions.

 
  • 方法 :以一端封閉 ,另一端開(kāi)放的硅膠管模擬乳牙根管 ,無(wú)菌條件下分別充填氧化鋅丁香油糊劑 ,氫氧化鈣糊劑和碘仿糊劑。
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