I'm sure most of you are familiar with the controversy over amalgam fillings (the silver fillings in case you didn't know) and the levels of mercury they contain. Although many dentists no longer offer amalgam fillings, not all have done away with them. Some say they are dangerous because they leak mercury in to your system over time, and others argue that the amount of mercury is so low that it couldn't possibly be harmful.
What's your opinion?
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