History of the Stent Impression Material

Spielman, Andrew I. and Forrai, Judit (2025) History of the Stent Impression Material. KALEIDOSCOPE: MŰVELŐDÉS- TUDOMÁNY- ÉS ORVOSTÖRTÉNETI FOLYÓIRAT, 15 (30). pp. 423-425. ISSN 2062-2597

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Abstract

The word stent has two definitions: a mould used for surgical grafts and a medical device for keeping vessels open. The latter is widely recognised in modern medicine, while the former is mostly known to dental historians. The term originates from Charles Stent (1807–1885), an English dentist who invented a thermoplastic impression material. Before his innovation, beeswax, plaster of Paris, and gutta-percha were used, but had limitations. In 1857, Stent improved gutta-percha by adding stearine, talc, and fillers, creating Stent’s Impression Composition. His invention revolutionised dentistry and was later adapted for facial reconstructive surgery, giving rise to the modern medical stent.

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