Published in Medical Letter on the CDC and FDA, October 28th, 2001
The boxes can leave a lead powder than can be transferred to patients through hygienists' fingers and the film itself, the U.S. Centers for Disease Control and Prevention warned.
Health inspectors in Wisconsin found the shoe box-sized containers in 18% of dentist offices they visited earlier this year. The boxes are lined with lead to cut the risk of exposure to radiation. Advances in technology have cut the risk, but the lead boxes are still fairly common in older dentist offices.
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