OSLO, Norway, Jan. 3 -- Norway recently announced a ban on the use of mercury, including dental amalgam, that took effect on January 1, 2008. Sweden announced a similar ban and dentists in Denmark will no longer be allowed to use mercury in fillings after April 1, 2008. "These bans clearly indicate that amalgam is no longer needed. There are viable non-mercury filling substitutes that are used everyday in the US," said Michael Bender, director of the Mercury Policy Project. "By eliminating amalgam use, which is 50% mercury, we can reduce mercury pollution much more efficiently than end-of-the-pipeline solutions." In...