Pixel lost 16 teeth in one day. It was rough, but he made it through okay (he was 15 at the time). I would maybe do it over 2 surgeries, vs. one big one? Is she on antibiotics or anything for treatment now? Also before extraction, I would highly recommend an allergy / food sensitivity test. Maybe that is the underlying cause?

Poor baby girl. If it means being pain free, and a cure, I would absolutely remove the teeth.