Abstract
Aim: The aim of the present study was to evaluate the effect of human recombinant Fibroblast growth factor (FGF2) and Epidermal growth factor (EGF) on healing of mechanicalinduced buccal mucosal ulcers in albino rats. Materials and Methods seventy five adult male albino rats (weight 200-250gm) each were used in the study. Rats were divided into 4 groups (group1, group2, group 3 &group 4) : G2 negative control, G3 received FGF, G4 received EGF, then each group was divided into 4 subgroups accordingto the date of scarification at 1,4, 7, 10 days postoperatively ulcers were induced by punch biopsy apparatus (5 mm diameter). Growth factor (FGF or EGF) was applied by using microliter syringe, the specimens were processed for histological and immunohistochemicalanalysis. Results: EGF and FGF promoted proliferation of fibroblast, EGF promoted proliferation of keratinocyte. Conclusion: Both growth factors acceleratewound healing compared with control group. rh FGF restores collagen production, while rh EGF can induce rapid wound healing by accelerating the proliferation of new epithelial cells.
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