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June 5, 2008

In the News - Mercury dental fillings may be harmful to some

I came across the article "Mercury dental fillings may be harmful to some and (of course) had to share.

All of my fillings are porcelain. However, I used to have those ugly silver fillings in the past. Apparently, "silver-colored metal dental fillings contain mercury that may cause health problems in pregnant women, children and fetuses, the Food and Drug Administration said on Wednesday after settling a related lawsuit."

"Dental amalgams contain mercury, which may have neurotoxic effects on the nervous systems of developing children and fetuses," the FDA said in a notice on its Web site.

"Pregnant women and persons who may have a health condition that makes them more sensitive to mercury exposure, including individuals with existing high levels of mercury bioburden, should not avoid seeking dental care, but should discuss options with their health practitioner," the agency said.

Honestly, I thought all fillings these days were porcelain. But apparently, not. According to the American Dental Association Website, "Thanks to advances in modern dental materials and techniques, dentists have more ways to create pleasing, natural-looking smiles. Dental researchers are continuing their often decades-long work developing materials, such as ceramics and polymer compounds that look more like natural teeth. As a result, dentists and patients today have several choices when it comes to selecting materials to repair missing, worn, damaged or decayed teeth.

These new materials have not eliminated the usefulness of more traditional dental materials, such as gold, base metal alloys and dental amalgam. That’s because the strength and durability of traditional dental materials continue to make them useful for situations, such as fillings in the back teeth where chewing forces are greatest."


Also, it appears as though (according to the article) "Fewer patients have been opting for mercury fillings in recent years, instead choosing lighter options such as tooth-colored resin composites.

Only 30 percent of fillings given to patients were mercury-filled ones as of 2003, according to the American Dental Association (ADA). Other options include glass cement and porcelain as well as other metals such as gold, but they cost more and are less durable, the group has said."


I really didn't know I had a choice when it came to fillings. Maybe I should opt for gold the next time? Okay, maybe not.

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