PRF in orabase will be applied as a pack material on chronic oral ulcers of chronic multiple
oral lesions compared to conventional topical steroid therapy with clobetasol propionate
0.05% in orabase. The outcomes measured are Pain alleviation as Primary outcome and Clinical
improvement in terms of Ulcer size, Number and Mucositis score as Secondary outcomes. Time
frame for outcomes assessment will be Daily for 7 Days regarding pain score and weekly for 2
weeks regarding clinical improvement.