Don't use Amalgam in the future for yourself or your family, especially the children. Consider a good diet to detoxify yourself. The Muslims regular and voluntary fasting is good also when it comes to detoxifying the body. Amalgam normally does not make a person sick at once. However it can sometimes appear at once after a larger dental work which includes Gold or other metals.
Different persons react differently.
Some react violently especially those who have Amalgam in combination with Gold works in bridges etc. Even if we get symptoms from Amalgam later in life it might be impossible to know the exact reasons for our symptoms. Our goal must be to minimize all kinds of poisons since it can be too difficult to eliminate poisons totally. Planned to be completely forbidden in Sweden around the Millennium. However in Sweden the Authorities have chosen to pull the teeth out nowadays instead of repairing them to a large extent.