Conservative dentistry in the past century.
D003723:Dental Amalgam / Q000266:history; D003762:Dental Instruments / Q000266:history; D003764:Dental Materials / Q000266:history; D003776:Dental Porcelain / Q000266:history; D003793:Dental Restoration, Permanent / Q000266:history*; D006047:Gold Alloys / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans
D003764:Dental Materials; D006047:Gold Alloys; D003776:Dental Porcelain; D003723:Dental Amalgam