I also have a lot of scar tissue between tongue and flap.
This is mostly along what I call the seam but more at the front tip which rubs on the last tooth at the bottom.
4 teeth where removed to anchor the flap and it�s the 5th tooth that the �seam� rubs on.
I have had biopsies on the area for the last 5 years which come up clear for cancer.
Last biopsy (2 areas for the first time) in January showed mild dysplasia front but mild-moderate near the tonsils.
I will need to keep having yearly checks and most likely biopsies.
I mention this mainly because most of your signature could be mine Sally...except for age..55 at dx
Good luck with your visit and please let us know how it turns out.
Gabriele