Help with getting money back. Re: bad experience with dentist? Help me pls

If anyone has had a not so great experience with dentist with their Invisalign??? I’ve heard from a lot of people this can happen with people with harder cases and don’t go to an actual ortho. Basically worked out I started Invisalign journey it wasn’t what we spoke about at all so he said he would at least get me back to where I was when we initially started. This is not the case. now that I have my wire in and my retainer my teeth have settled and bite is worse, my teeth are replased on one side so now my smile uneven. I’m not getting anywhere with dentist who can I go to ? To get my money back.... and how do I even prove what I’m saying has happened. is there like a obudsman for this kind of thing to help u get my money back? I’m so upset 😭. (I have wire on, taken attachments off and in the process of rectifying )