Three blocks of Ash's posterior tube teeth, London, England, 1909-1925
‘Tube teeth’ were teeth made from porcelain. They were inserted over a post in a denture or dental bridge (partial denture). Claudius Ash invented tube teeth in 1838. His invention became used throughout Europe. These moulds were introduced in 1909. They were designed to make teeth for the back of the mouth. They are numbered 300, 301 and 302 to identify different moulds. The blocks were made by C. Ash and Son. This was the same family as the inventor, manufacturers of dental appliances since 1820.
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