Lead in Dental Crowns from China: Whose Fault Is It?

Protecting the Public from Tainted Dental Lab Work

Since news broke a few weeks ago of lead-tainted dental crowns from China, I’ve been giving you background information and sharing my opinions. This week, I’m going to take a back seat. Instead, let’s see what dentists had to say when responding to my survey. (Read the complete dental lead scare survey results.)

First, the numbers: When asked who should be responsible for protecting the public from tainted dental work, here’s how dentists replied:

  • 31% said the FDA
  • 25% said dental labs should police themselves
  • 41% said dentists should take responsibility; and
  • 3% said the burden should be on patients.

Two out of three dentists thinks this is likely to be nothing more than a tempest in a teapot, while the remainder expect it to be the next big health scandal. The scope of the threat is not clear, as further research has yet to be released. “We don’t know if this is a crisis,” a Washington dentist pointed out. “The labs and FDA need to test a large number of prosthetics that are produced in USA with foreign materials and in foreign countries.”

In Canada, dentists are required by law to have patients sign an informed consent form if their restoration has been manufactured in a foreign dental lab. In the US, dentists have no such notification requirement. “Patients have been systematically kept in the dark when it comes to dental procedures,” wrote a California dentist. “They should be given informed consent when choosing materials. Otherwise dentists will continue to do what they want to do.”

To many, the most important issue is that dentists take responsibility for the quality of their lab work. “Government oversight would not prevent an unscrupulous lab from farming out work,” a Pennsylvania dentist pointed out. “As with most business relationships, one of the best ways to really know what you getting is for the doctor to establish a personal relationship with the lab. This means meeting the owner/director, asking questions, and judging the lab’s honesty.”

Indeed, “judging a lab’s honesty” is one of a dentist’s most important responsibilities. Most dentists have nothing but criticism for colleagues who seem to value low prices over quality materials. “Too many dentists are accommodating low insurance payment schedules by buying their dental materials and laboratory fabrications that are too cheap,” seethed a Maryland dentist. “It doesn’t seem to matter that it compromises the health of the patient.”

To me, the critical question here is: Just what are a dentist’s responsibilities when it comes to evaluating if a dental lab is worthy of the doctor’s trust?

“My lab has assured me that their products are all manufactured in the US,” said a North Carolina dentist. “But so what? People don’t always tell the truth, but we must put trust in something. I trust my lab and I hope the system is not broken.” A Michigan dentist agreed, asking, “I expect that my US labs are not sending my work off shore and using the quality of material I specify, but how do I know for sure?”

One comment really hit a nerve with me.

“I am certain the FDA will be monitoring all materials any US lab uses. It only stands to reason that overseas labs conform to our regulations.”

There’s some very dangerous logic going on in that statement! When it comes to ensuring the health and safety of your patients, you don’t get to just “take it on faith.” This isn’t just ethical guidance I’m giving you — this is legal guidance as well! If you don’t do your due diligence in checking out your dental lab, you could be legally liable. (The woman in Ohio who allegedly got lead poisoning from her Chinese crown? Word is, she’s planning to sue her dentist.)

So who should be in charge of making sure toxic materials aren’t used? The FDA seems the obvious choice. Indeed, the FDA does regulate dental products, but it’s an open secret that they do very little actual testing. In fact, the Nation Association of Dental Labs have been working with the FDA for several years to improve regulation. (Thanks to this scandal, I think we’ll finally start to see some progress on that front!)

I’ll leave you with the words of an Illinois dentist who concisely summed it up: “If you wouldn’t put it into your own mouth, you don’t put into a patient’s mouth.”

Post your comments to this story or read the complete Foreign Dental Labs survey results

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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