Have you read up on the link between Amalgams and mercury toxicity? I really think this is what's going on with him. Were the fillings he got amalgams? I would read Dr. Huggins book, It's All in Your Head and go to one of his referred dentists to fix what the other one has done. You can call Dr. Huggins office at (866) 948-4638 and ask to speak with Bob. He deals with dentist referrals and is super nice and helpful. This is free also. Please don't let him have any more dental work done right now. Candida isn't the main issue here. In fact, Candida keeps mercury in check for the most part. Go to the Amalgam Forum and read up there. If you have any questions please ask. I will try to help as much as I can. I've been reading up tons about this the last few months because I want to get my Amalgams removed and do it right. Also my mom is having toxicity symptoms such as the numbness in her toes and a while back she had optical neuritis which was suspected to be MS. Thankfully it was not. Let me know if I can help.