The medications provided by your doctor are appropriate for your diagnosed condition(its O. Tess). For burning sensation at the ulcer you can apply Oint. Dologel CT, 5 mins. before meals or as required.
Next Steps
If the ulcer is longer than 4 weeks in your mouth do get an expert opinion. Regularly visit your dentist for OSMF.
Health Tips
Strictly quitting the habit is a must.