Sometimes it's caused stress, smoking, alcohol etc any bad habits. If yes then stop all bad habits. Take a nutritious diet, fruits and good sleep will give relief in this lesion.
Tab Turmix 3times daily, topical application of kanakort 3-4 times daily, Cap Zincovit 1 daily for 6 months get relief. But sometimes it's cause a fungal infection than includes a candid-B topically 3-4times daily.
Next Steps
consult oral and maxillofacial surgeon for this lesion.
Health Tips
stop all bad habits.