Amalgam has up to now been considered a safe, durable material for fillings. The article you reference, and thanks for that, points out that the anti speakers were anti-mercury activists. I generally support activism when it is supported by data. I had looked at this issue, as the FDA is doing now, in the past and was unable to find well designed studies showing any evidence of toxicity from amalgam.
http://onlinelibrary.wiley.com/doi/1...760.x/abstract
The Europeans are almost always ahead of us in protecting the consumer and the environment. And as the article says, several have banned or restricted the use of future amalgam fillings. However what the article does not say is that the major concern leading to this was not the health of the patient rather the risk to the dentist and her staff from the removal process which aerosolizes the mercury into a dust or vapor which is its most toxic form as well as the risk to the environment from mercury use and disposal.
http://www.dentistry.co.uk/news/992-...-causes-a-stir
However, I am sure you will find a dentist willing to remove your mercury and replace it with an alternative material.