Shortly after you get a new metal filling, it happens: an unexplained zap that makes you jump in shock.
Or it could be a problem you’ve dealt with for years: the metal fork that comes in contact with your metal filling.
In either case, you’re likely experiencing what is called galvanic shock, or current.
What is “Galvanic Shock?”
Having metal in your mouth give you the chance to basically create a battery in your mouth.
That’s right, you can generate a low current of electricity with dental restorations!
This current is created by the difference in charges between different metals. When these metals are come in contact through saliva, your tongue, or directly against each other, they can send a little zing that you won’t soon forget!
This shock doesn’t happen between metal fillings made of the same material. It’s more likely to happen when you have a gold crown on one tooth and a silver amalgam filling on another.
What You Can Do
A lot of patients make the choice to have metal fillings placed because they tend to be faster and cheaper than composite fillings. But as long as there is a chance for two fillings of different metals to be touching, you run the risk of generating a galvanic current!
It may simply take time for a new metal filling to “calm down” in your mouth. Galvanic shock should go away within a couple days. But while this shock may only be annoying to some people, it’s a big problem for others.
If your metal fillings are bothering you, ask your dentist about replacing them with much more well-behaved white composite fillings!
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1646 W U.S. 50
O’Fallon, IL 62269
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