US scientific background about dental amalgam:
https://www.fda.gov/media/77119/download
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3388771/
Swiss assessment:
Isn't silver amalgam obsolete today? Not at all, in my opinion. Sure, there are drawbacks:
But in the following situations either a much more expensive treatment (a crown) or a much earlier retreatment (composite ) would be the alternatives:
In case of head or neck discomfort very often TMJ disorder caused by unconscious nightly gnawing is at least a part of the problem. Often only when a lot medical checks or treatments failed this is considered.
https://en.wikipedia.org/wiki/Temporomandibular_joint_dysfunction
Not only for rheumatic patients, but often time savers:
To update your general medical knowledge:
http://www.swissheart.ch/ or http://www.heart.org/HEARTORG/
YES! Not in the case of common caries in the dentine, but in early stages limited to the enamel:
Bad mouth odors can be objectified right here in Basel!
https://www.uzb.ch/zahnmedizinische-themen/mundgeruch/
General informations:
https://www.srf.ch/play/tv/puls/video/tabuthema-mundgeruch?urn=urn:srf:video:39660181-5689-45f0-8f02-10ad140407ce or http://www.mayoclinic.org/diseases-conditions/bad-breath/diagnosis-treatment/treatment/txc-20192400