CONCLUSION: The epidermal growth factor, dexamethasone and ornidazole-contained composite chitosan membrane could help to accelerate the healing of dental ulcer and promote the recovery of tissues.

• 结论：表皮细胞生长因子复合地塞米松及含奥硝唑的壳聚糖复合药膜可显著加快兔口腔溃疡的愈合速度，促进组织的修复。