The goal of this clinical trial is to determine the effectiveness of imiquimod in treating oral dysplasia in adult patients. Imiquimod 5% cream could be a safe and practical treatment for oral epithelial dysplasia (a precancerous change in the mouth). The main questions it aims to answer are: 1. Does imiquimod help to make the lesions smaller and make the abnormal cell changes less severe? 2. How can we make this treatment safer and more feasible? Participants will apply topical imiquimod cream to treat the oral dysplasia and receive two follow-up biopsies after the treatment.
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Effectiveness by Clinical Response
Timeframe: 52 weeks after the start of the participant's treatment course
Effectiveness by histopathological assessment
Timeframe: 52 weeks after the start of participant's treatment course