For generations, dentists placed silver-colored fillings in millions of teeth. But behind their familiar appearance lies a controversial ingredient: mercury. Now that Europe has largely phased them out, Americans are asking an uncomfortable question—why are they still permitted in the United States?

use, European policymakers aim to limit future mercury pollution while encouraging mercury-free dental materials.

The decision also reflects the growing availability of alternatives such as tooth-colored composite resin.

But across the Atlantic, the regulatory picture remains different.
Why Are Mercury Fillings Still Allowed in America?

As of October 2026, dental amalgam has not been banned nationwide in the United States.

The U.S. Food and Drug Administration continues to permit its use, while recommending that certain higher-risk populations avoid receiving new amalgam fillings whenever possible and appropriate.

The American Dental Association has historically supported amalgam as a durable, affordable restorative option