Nnyocha nke American Dental Association (ADA) kwụrụ ụgwọ na 2003 na pasent 50 nke Mercury na-abanye na Ọha Nwere Ọgwụgwọ Ọrụ (POTWs) nyere site na ụlọ ọrụ eze. IAOMT na-enye azịza iji kpuchido ndị ọrụ, ndị ọrịa na gburugburu ebe obibi site na ihe ọghọm nke eze mercury.
