My inexperienced orthodontist mistake

Hello I had my braces for almost three years now, everything was fine. My teeth correction getting better every month, except one tooth of the lower jaw on the right side (the second premolar tooth) was inwards, towards the tongue. The orthodontist didn't make a major work on that tooth for some reason, he kept it to the end of the braces process. Unfortunately my old orthodontist's contract was over, and the clinic replaced him with a new beginner orthodontist. I spoke to the new orthodontist about my lower second premolar tooth how it still inwards and it needs correction. He tried to fix it, to pull it outwards, and he succeeded but what happened is because he put too much pressure on the first molar the tooth next to the second premolar, the molar went inwards, now I have an inwards molar instead. I told him this is not right, he gives me excuses,he can't fix it at this point and blames me for it because I have a missing tooth above the molar. And I'm pretty sure that the problem happened because of the wrong braces work, I'm not stupid. I wish I can send you a picture of my lower jaw to see on your email if you want and if there's possible way to fix the molar tooth without causing other problems. I'll wait for your reply thank you.