Results After treated by ozone,secretion appeared less and less,the pain alleviate,the canker and the sious and operative incision were all healed.

• 结果所有患者经臭氧治疗后,局部分泌物逐渐减少,疼痛减轻,溃疡愈合,窦道愈合,手术切口愈合,随访1年未见局部病变复发。