Burning sensation in Tung since 5 months

We consulted with many doctors in jhansi like dentist and ear nose throat specialist doctors but untill medicine was ate , got relief in burning after it felt lots of pain and burning in Tung and felt also pain in one side whole cheek from up ear to chin . Face a lots of problems mother get frustrated with these thing and start a overthink about it and this problem going to large and large day by day. She thinks about cancer also. Please help me and suggest what can I do 🥺. Lots of money has already waisted since the problem has came. I really don't know what type of decease is it. Some doctors tell us to go and show her to dentist and some suggest for Ear nose throat doctor. We consulted with both type of doctors in every week. Face a many problems by these things Help me to what type of doctor I have to consult to her so I get relief and totally free with this problem