I used to be like that so I sympathise, couldn't even have a filling without a GA. The maybe good news is that I got over it. I wish I could tell you exactly how but I don't really know. I think I just decided that all the hassle was within me so I was going to tell myself I wasn't bothered by it, and see how it turned out. I had a bad back at the time so I just concentrated on the discomfort that was giving me, and ignored the needles and drills. Anyway, it worked. Since then I've had implants, and even a couple of root-canal treatments where the anaesthetic didn't work - that was definitely unpleasant and yet I still survived.
Maybe you'll be the same some day. The only advice I can give is that things generally aren't as bad as our worst fears. Good luck.