I Had Wrist Surgery Because I Broken By Fall On

I had wrist surgery because I broken by fall on to ice one yeas ago. Still having a problems. Numbness & tingling. Recently find that either damaged meddling neeve or pressing by scar tissue. Also I had pin on my hand. My question is, if nerve damAged, deso this nerve can regenerate or I have to operated again?
Secon question is if sprinter take off there is 9 screws on so, dr. Wants take off filled some kind to help regenerated born. Wheat kind of resk ma I taken?