Sandpaper at Week 7

I can "feel" recovery, but it's taking its sweet time getting here, and it hurts. I finally gained some sensation on the right edge and top of my tongue. But that sensation amounts to a feeling that there's a layer of sandpaper or roof shingle. Not sure why that is - perhaps it's part of the healing process? I still have what feels like deeper-layer numbness, and it is still impacting my ability to project my voice when I talk.