I wouldn't go quite so far as to fire your vet and trainer along with the farrier. Unfortunately, not all horse people are educated on the proper hoof alignment and trim. If they've never had access to something better, they may just not know that it can be better.
If you are satisfied with the vet and trainer in all other aspects, then I would stick with them for the time being.
It was weird the way things fell into place. The farrier had a cancelation yesterday morning so he was free to come out. I had a doctors appointment but felt this was more important. Still did make it to appointment on time. I didn't have the money but I have a great BO that wrote a check for me to pay for it. I will pay her back in a day or so. He didn't charge me as much as I thought it would be. Everything just all fell into place and I am so happy she looks so much better.
He said her rear hooves could start to look a bit ratty as the holes where the nails were may shred a bit when they grow out. He also told me I don't need to use the betadine and I shouldn't use any dressings etc. He said to finish up the hoof supplement I have, the biotin, but that she may not need that as the hooves are really healthy and they are black underneath. Except one has a white stripe. He said she could still be barefoot with white hooves. He said to keep things as natural as possible limiting the use of supplements to only what is actually needed.
He took allot of time with her. He was patient when she got restless. He also said it probably hurt a little with her hooves the way they were and with the foot that had the abscess. He will see her again in 5 weeks when he does the other horses at the ranch feet. He said she may not need anything then except for a slight trim on the rear feet. He said he wants as much of the hoof to grow in as can be till the next time. He said the pads were the way to go for now to get the heels off the ground. She was walking on her heels and that is probably why she was doing weird postures when resting.
Anyway, on my way down to the ranch right now to see how she is doing. A little scared she may hurt her rear hooves if she kicks but I have pretty much everything padded.
The vet had told me to use betadine on the bottoms of the feet when it rains. She does have an indoor barn that stays dry and I have put in DG into her corral and it is sloped and I have put drain pipes in the ground to make sure there are no puddles and that she never has to stand in mud. But the vet said as a preventative. He said not to use it at all and that she doesn't have thrush.