My mare was also diagnosed via x-rays after she came up with shifting lameness up front over a harsh northeastern winter. Things that have worked: plastic pads, aluminum pads, keeping her toes short and rolled, a 5/6 week trim cycle, and only turning her out indoors if there is any potential the ground will freeze.
Leather pads were not enough for her. Her soles are too sensitive for pour in pads, equi-pak, or even dental impression type material. I have her on a biotin supplement, use farrier’s fix a few times a week (especially around the coronet band), and just purchased Reducine on the advice of my farrier. I will also say that my mare’s feet are overall not great and have some other things working against them (chippy TB feet and a propensity to pull shoes).
@IPEsq - did your rads show any difference in the extent of the demineralization after Tildren? I’ve heard anecdotes about rads showed less “feathering” of the pedal bone after using Tildren or Osphos, but my vet was not optimistic.