Dental Tips Blog

Aug
2

Are There Risks of Getting Mercury Poisoning from a Dental Filling?

Posted in Fillings

Could something as simple as a dental filling cause mercury poisoning?

Here’s what you need to know.

What Is in Dental Fillings

Amalgam or silver fillings often contain some combination of these metals: silver, nickel, zinc, copper, tin, and mercury. Why the mercury?

Mercury helps mix the metals in a liquid form, allows the dentist to shape and pack the filling like a putty, and then it hardens everything into a lasting restoration.

Silver fillings are fast and cost-effective to make. But more of today’s restorations are made from mixes of resin and ceramic and don’t require any mercury. These fillings are tooth-colored and carry no risk of mercury poisoning, at all.

Is There Any Risk from Silver Fillings?

Having a metal filling in your mouth is not toxic. Even if you swallowed some of an amalgam filling it wouldn’t harm you. Inhaling mercury vapors is what causes trouble.

Very few vapors come off from an amalgam restoration. You are exposed to more mercury vapors from other environmental sources than from your dental work. Still, you may want to avoid silver fillings if you are already exposed to a lot of mercury, such as through your job.

Reduce Your Risk for Mercury Poisoning

Ongoing studies are investigating the risks of mercury-based metal fillings. But so far, the research shows no risk of poisoning.

If you have metal filling that’s in good shape, there’s no rush to replace it. Your dentist can remove an amalgam restoration if it’s broken, there is decay under it, or if you want a whiter smile.

Ask your dentist for a consultation to find out what your best restorative option is.

Posted on behalf of:
Kennesaw Mountain Dental Associates
1815 Old 41 Hwy NW #310
Kennesaw, GA 30152
(770) 927-7751

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