Result: MEBT/MEBO is superior to SD-Ag suspension in terms of wound infection rate, wound healing time, scar formation rate, pain in wounds and itching in skin and pigmentation after wound healing.

• 观察两组在换药过程中病人感染发生率、愈合时间、瘢痕发生率、愈后皮肤瘙痒或疼痛程度、皮肤色素沉着情况。