It can only be cured, if the cause is ascertained.
Next Steps
Please visit an Oral Medicine/Oral Pathologist specialist for a proper management of the condition.
Health Tips
Mucopain can reduce symptoms of pain and burning for some time but it will not play a major role in curing your problem. Apply mucopain gel over the ulcer 5 minutes before food/beverage consumption. Gargle thorougly before food, this will reduce the burning sensation.