Let’s look at amalgam fillings which are about 50% mercury, i.e. the same mercury found in old-fashioned thermometers. Now every time you chew food, gum or drink warm drinks the amalgam filling releases mercury vapour that is toxic to the human body. But your regular dentist will tell you not to worry about your amalgam fillings because they’re not taught this information during their training. Watch this short video about mercury vapour. https://www.youtube.com/watch?v=9ylnQ