It seems logical that you wouldn’t want to put a toxic metal into your mouth, right? Well, for over 150 years, dentists everywhere have been doing precisely that. Dental amalgam, or “silver fillings” are made up of 50% mercury and a 50% combination of other metals such as silver, tin, and copper. Small amounts of zinc, indium, or palladium also may be used. For years, experts have debated, and studies have seemingly contradicted each other regarding the use of this material. So what’s the truth about dental amalgam, is it actually safe? Read on to find out.