Who invented rubber dental plates in 1855?

monkeycouzin

A Dr John Cummings applied to patent rubber dentures in 1855. However the patent was refused as a patent had already been taken out in England in 1848 http://www.atomic-i.com/mcbf/feature.html tells the story Mar 22 02, 8:46 AM

Jeeves

Jeeves says: An extract from the following site: Several materials like Celluloid were being tried as denture bases, but they all had problems. Celluloid, for instance, tended to turn green and smell bad. In 1854 Dr. Thomas W. Evans of Paris made a denture for Charles Goodyear, Sr., using a hard rubber base (vulcanite) invented by the Goodyear family. In 1855, Charles Goodyear, Jr. was granted a patent on the use of vulcanite rubber as a denture base. The URL for the above extract is: www.dental-site.itgo.com/westerndent1850.htm#removable Fri Mar 22 02:47:44 CST 2002 (Delete Entry) (Reposted to edit - McG) Apr 14 02, 5:48 PM

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