My teeth are crooked and crowded because my wisdom teeth are impacted. Will my teeth go back after getting my wisdom teeth removed?

I spoke to my oral surgeon about the crowding in my lower jaw that I believed to be caused by my wisdom teeth. He said that even with the extra space I would receive from the removal of my wisdom teeth, it would be unlikely that my teeth would move back into place. There was mention of being fitted for retainers and going to a different Doctor Who specialized in orthodontics.