Dental Amalgam Mercury Poisoning: Why Is It Still an Issue?

This is a guest post written by Harmon Pearson who is currently pursing a post graduate degree in dental science. He  spends time blogging about his pursuits and writing on dental care. When he is not studying, he enjoys restoring antique pendulum timepieces. How is it that in the 21st century we continue to put a known toxic element—mercury—into our mouths?  The question may seem straightforward, but the answer, curiously, is not.  Mercury remains a primary ingredient in dental amalgam, also known as silver fillings.  Other ingredients include copper, silver, tin, and zinc.  These elements when bound with mercury form what’s typically referred to as a stable compound.  It’s hard and resilient to degradation in the mouth environment making it a seemingly ideal compound for replacing small amounts of decayed or removed tooth material.  Because of this, it’s remained a … Read more