It sounds like your body is having a bad reaction to the heavymetals ,like hal huggins says in his book "its all in your head" its not how much mercury is in your body ,but how your body reacts to the mercury , the bright side is you will only have to remove and replace two amalgam filling , and since you are younger then the chances are you will heal alot faster , but removing those poisonous fillings would be a very good start , try to find a mercury free dentist that can safely remove the old filling , if you can't find one localy then I can give you a web address where you can , ( good luck),
p.s depession is one of the top symtoms of mecury poisoning as many of us now know ,I had 15 original amalgam fillings the last one came out this last april and doing much better , if you need a detox buddy ,"I'm in "just private e-mail me ,but most of the people on this forum are dealing with the same issue in one form or another