Lead in Dental Products Continues to Worry Dentists

What’s Going on with the Lead Scare?

When last we spoke of the lead scandal, an Ohio TV station had reported finding the toxic metal in two dental crowns manufactured in Chinese dental labs. They launched their investigation after an elderly woman allegedly suffered lead poisoning from her dental bridge.

In two months since the story broke, a number of different organizations have begun their own testing of dental prosthetics. Unfortunately for those of us hungry for more data, few results have been publicly released.

However, the data that has come in so far suggests the lead scandal may be even bigger than we thought. Preliminary numbers suggest that a surprisingly high number of dental prostheses contain lead.

What’s more, the tainted dental work isn’t just coming from China. Lead has apparently been found in restorations made in the US as well as other countries.

Expanding upon their initial investigation, Ohio’s Channel 10 has released the results of further tests. What they found was not encouraging.

  • China: 5 of 7 crowns tested contained 160-240 ppm lead.
  • Thailand: 2 of 2 crowns tested at 130-140 ppm lead.
  • USA: 2 of 4 crowns tested contained 110-130 ppm lead.

Since none of the components of a dental crown should contain lead, the million-dollar question (the one no one can answer right now) is where the lead is coming from. Is the lead in the glaze, the porcelain, or the metal? Are the dental labs responsible, or does the fault lie with those who manufacture the components?

Who’s doing what?

  • The FDA is monitoring the situation, but is not currently planning to issue a Consumer Update.
  • The CDC says it’s the FDA’s job, but suggests that even lead levels of 200 ppm are not dangerous.
  • The ADA is conducting its own tests. Results have not been publicly released.

Read the report from 10 Investigates, or post your own comments on lead in dental products…

About Jim Du Molin

+Jim Du Molin is a leading Internet marketing expert for dentists in North America. He has helped hundreds of doctors make more money in their practices using his proven Internet marketing techniques.


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