pt complaints of ulcers on palate lips gums since 2 years she got blood test malignancy test hiv test done all reports are negative took treatment in many hospital for the same problem plz diagnose and suggest the treatment plan

pt is a male aged 65yrs Labourerho fever 3 days back took meftal forte as self medication came with co burning sensation in mouth. what is Dx and Rx

20 year old male presented with white lesions involving several oral sites including the bilateral buccal mucosa, bilateral vestibules, and upper and lower lips. The lesions we corrugated to verrucoid and rough in consistency. There were areas of focal ulceration associated with a mild burning sensation. What are the differentials?

40 year old patient presented with Painless White patches on Dorsal Tongue surface for the past 1 month, according to him, he used antifungals and antibiotics but it didn’t work on him. What is your diagnosis approach?

55 yrs male with lacy white lesions in the mouth with burning sensation for more than 15 days