aS far as SSI goes you should really talk to a lawyer. they will take your case for free until you get a settlement. this will give you a much better shot. open the yellow pages and just call a few and see what they say.
as for gold fillings i would highly urge against them. get the composite filling, the ceramic based ones. gold is a metal and all metals are toxic at some point. any good chelation program will also chelate some of the gold out of your fillings and you dont want that. the healthiest mouth is a mouth that is completely metal free.
there is a biocompatability test you can get with various dental fillings to see which one is best suited for your body but not all dentists offer this. any ceramic based filling material is good.