Risk from mercury in 'silver' fillings still prompts dental debate

Risk from mercury in 'silver' fillings still prompts dental debate
http://www.cleveland.com/healthfit/index.ssf/2009/09/risks_from_mercury_fillings_st.html

"In 2005 alone, dentists in the United States plugged 52 million holes in our teeth with a material commonly known as "silver"-- a material that, despite the name, is mostly mercury. There is no question that mercury, a heavy metal, is toxic in large doses. It can cause memory impairment; itching; burning; pain; tissue swelling; loss of hair, teeth and nails; kidney dysfunction; and psychiatric problems."