Amalgam--yesterday, today, and tomorrow.
D003723:Dental Amalgam / Q000266:history*; D003793:Dental Restoration, Permanent / Q000266:history*; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D012106:Research / Q000266:history
D003723:Dental Amalgam