Amalgam tattoo (also termed localized argyrosis) is a grey, blue or black area of discoloration on the oral mucosa of the mouth, typically on the gums of the lower jaw, caused by entry of dental amalgam into the soft tissues.
Amalgam tattoo (also termed localized argyrosis, or focal argyrosis) is a grey, blue or black area of discoloration on the oral mucosa of the mouth, typically on the gums of the lower jaw. It is an iatrogenic lesion, caused by entry of dental amalgam into the soft tissues.