hi I have four front veneers, these were done 4 years ago, my dentist moved the position of my teeth, my bite was off, now my teeth are shifting and I have been told by another dentist I have gum disease and bone loss, I have been in agony since my veneers were done, what are my options, I would like my teeth to go back to the way they were before they were moved. please help as I am due at to go to a new dentist tomorrow