FDAnews
www.fdanews.com/articles/122148-form-of-mercury-in-older-dental-fillings-unlikely-to-be-toxic-study

Form of Mercury in Older Dental Fillings Unlikely to Be Toxic: Study

November 12, 2009
Amid the on-going controversy over the safety of mercury-containing dental fillings, a University of Saskatchewan research team has shed new light on how the chemical forms of mercury at the surface of fillings change over time.
PhysOrg