My oldest daughter was a thumb sucker. (now getting ready to turn 14yrs) I honestly wouldn't worry about it until she is a little older. My daughter sucked her thumb until she was 3 and has perfectly straight teeth and no cavities. I don't think you have to worry so much about the baby teeth as they will fall out anyway.
Some things to try are the nasty tasing nail stuff that goes on like polish; you can get it at a beauty supply store usually. I wouldn't use hot sauce personally. That just seems mean to me to burn your child's mouth. And, it could upset her stomach.
Another, less nasty idea is to make her see what a big girl she is and try paining her nails, or taking her to get her nails done, but this of course would work better when she is a little older (maybe at age 2).
Another idea is to put mits on her hands at night and nap times when you have less control over her sucking. She'll probably get mad, and they will have to be tied on pretty good so she can't take them off. Just make sure they aren't too tight that you cut off circulation.
A big thing, since this is her comfort, is to replace it with something else that she can use to comfort herself like a blanket. Children need a way to sooth and comfort themselves such as a blanket, stuffed animal, etc. I noticed that my daughter had a tag fettish. I got tired of seeing the butts of Puffalumps up to her face (remember those?) They had silky tags on the butt and she liked to tickle her nose with them. So, I got really soft material, cut silky tags out of my clothes, (let her inspect them to make sure they were the "right" kind, and sewed them on the corners.....now, someone is actually making milions selling "Taggies"! I thought of it 13 years ago!!!! Who knew! ha ha ha I just thought it was my daughter little quirky fettish. Anyway, you get the idea. Just find something your daughter loves, gravitates towards, etc and find someway of of getting that to be her comfort instead of her thumb or binky.
Good luck!!