That was a good post and nicely sums it all up - except for the fact that protein might not be the issue. It might be a vitamin or EF acid that is lacking in a vegan's diet - or at least the vegetarians or vegans who that particular dentist saw. It is not good enough to say that a veg/vegan has no chance of recovery. The specific problem has to be pinned down through proper scientific study of the matter. Finding a rough correlation is not good enough in science; you have to prove cause and effect, which the practitioners - is it Huggins or Joyal - did not.