Wisdom teeth conflict?


My dentist wanted me to get one wisdom tooth out bc there’s a really bad cavity/root canal that she can’t access until wisdom tooth is out however they can’t just take the top out because then the tooth that is still there will be hitting against my gums and will cause future problems. The other 2 on the other side already had a filling and am getting more cavities so they said I should just get them all out at once? How bad is recovery? Only thing I really care about is the stitches :’( (they aren’t impacted and grew in totally fine)