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I have what (I believe) what you have as well. I'm referring to "lingual tori". You may want to "google that and see a visual for making certain. But it sounds, from the information you sent me, like that is what you likely are referring to.
If so: They are harmless. Reports vary, but about 6% of us have them. They are essentially boney growths, that have been there for years. They usually do not tend to increase in growth much - if any. So, as a rule of thumb, they generally NEVER need to be dealt with or worried about. There are a slight few exceptions, but that is rare, such as if a person needed a partial denture, and the tori were in the way. Then, they might have to be removed, etc. Likely though, nothing to be concerned with.
I hope this helps you!
*PS: please do let me know if you have any additional concerns - OK ?