Time to fix my anterior crossbite, can braces change the shape of my face? (Photos)

Hi, I am 25 years old thinking to get braces done. I have anterior crossbite just have few questions 1. Can it be fixed with braces 2. Will my face shape or lips change after this 3 I have a big nose, will it brings any change to the size? 4. How long will it take to correct my crossbite?  Also, my doctor said I require the removal of 4 teeth to get braces, is that correct?