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RE: Uranium in dental crowns
Joey: Your request was timely. I was about to archive the files on uranium
in dental porcelain.
Back in 1975, the U.S. Food and Drug Administration's newly created Bureau
of Medical Devices (BMD) asked the Bureau of Radiological Health (BRH) to
evaluate the use of uranium in dental porcelain. If you will provide an
address I will send a copy of the report published in 1976 and information
on the industry's response. (Incidentally, BMD and BRH merged in 1980 to
become the Center for Devices and Radiological Health.)
Donald L. Thompson, PhD
Center for Devices and
Radiological Health, FDA
-----Original Message-----
From: Joey Michael [mailto:joey-michael@UIOWA.EDU]
Sent: Friday, August 15, 2003 4:30 PM
To: 'radsafe@list.vanderbilt.edu'
Subject: Uranium in dental crowns
I recieved a phone call from a woman who wanted to know about Uranium used
in dental crowns. I had not heard of this. She wants to know how to find
out if her crown has U in it.
What kind of exposure rate would one expect from something like this? How
much U was used? Or is this just some more junk science that is scaring
the general public.
Joey Michael
Health Physicist Assistant
The University of Iowa
Health Protection Office
319-335-8518
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