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A Histological section of oral mucosal wound at day 7. A; represent control group showed the scab still attached to underlining thin mucosa covering the wound and the submucosa filled with fibrous tissue. B; treated group showed complete thick epithelium covered the wound with minimal amount of granulation tissue. The mucosal layer indicated by solid arrow, the inflammatory cell and fibroblasts cell by open arrow, granulation tissue by open triangle. H& E, ×100.
