While I don't have metal in my mouth now, when I first got real sick their were a few metallic fillings. Since then I've had to have extensive dental work.
This is a nightmare, but at least you're mostly aware of what's happening...some folks never even know what hit them...
Another thing to do is use your power of ~visualization~. It's at your disposal, costs nothing and you can do it all the time... Picture them ~GONE~ to the "netherworld" in a *hot* flash of the brightest, whitest light! POOFTA! Or croak them with whatever your imagination conjures up : ) Helps me some...
Here's visuals of a healthy throat area:
