You're using a bad argument. Dental amalgam literally contains elemental mercury: https://en.wikipedia.org/wiki/Amalgam_(dentistry)#Composition https://en.wiki

You're using a bad argument. Dental amalgam literally contains elemental mercury: https://en.wikipedia.org/wiki/Amalgam_(dentistry)#Composition https://en.wikipedia.org/wiki/Amalgam_(dentistry)#Compositio... That alone is cause for concern, although it does not mean it's necessarily dangerous: https://en.wikipedia.org/wiki/Dental_amalgam_controversy https://en.wikipedia.org/wiki/Dental_amalgam_controversy