NgoJanuwari 2012, i-FDA empeleni yayilungiselele "Ukuxhumana Kwezokuphepha" eyayincoma ukunciphisa ukusetshenziswa kwe-mercury amalgam kubantu jikelele, futhi iyigweme kubantu abangaphansi kokungenwa:
- abesifazane abakhulelwe nabancelisayo
- izingane ezingaphansi kweminyaka eyisithupha ubudala
- abantu abane-allergies kwi-mercury noma ezinye izinto
- abantu abanesifo sezinzwa
- abantu abanesifo sezinso
- ibone ubungozi bokuchayeka emsebenzini kwabasebenzi bamazinyo
Izincomo azikaze zenziwe zaziwe, futhi ngoJanuwari 2015, i-FDA yakhipha esinye isitatimende esithi i-amalgam yayiphephile ngokungangabazeki kuwo wonke umuntu. Ngandlela thile, kwenye indawo ekufinyeleleni kukahulumeni kanye ne-Health and Human Services Administration, lesi sichibiyelo kumthetho we-FDA sabulawa.
Nanku umbhalo ophelele womthetho wokuqala ohlongozwayo ka-2012:
