Methods:The 50 teeth diseased with fistulous chronic periapical periodontitis were treated with filling up one-off the pulp canal after 3% oxydol wash.

 
  • 方法:選擇50顆瘺管型慢性根尖周炎的病牙,3%25雙氧水沖洗后進(jìn)行一次性根管充填。
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