There had been lots of talk lately how mercury slowly leaks from silver fillings. I was wondering once they place gold inlays or fillings in your mouth, are they in there, or does something leak from those too? If so, what?

The silver filling is actually a mixture of things. It just looks silvery. Mercury acts as a hardening agent. Gold is not the same. Gold fillings are more likely to suck the money out your pocketbook.