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单词 post crown
释义

post crownn.

Brit. /ˈpəʊs(t) kraʊn/, U.S. /ˈpoʊs(t) ˌkraʊn/
Origin: Formed within English, by compounding. Etymons: post n.1, crown n.
Etymology: < post n.1 + crown n.
Dentistry.
A prosthetic dental crown held in place by a post or wire sunk into the root of the tooth.
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the world > health and disease > healing > dentistry > [noun] > a restoration > crown
crown1781
pivot tooth1842
crown cap1876
jacket crown1891
post crown1905
three-quarter veneer1924
veneer crown1927
veneer1930
1905 G. Evans Pract. Treat. Artific. Crown-, Bridge-, & Porcelain Work ii. 58 Each of these conditions causes fracture of roots carrying post or dowel crowns.
1936 J. R. Schwartz Cavity Prep. & Abutment Constr. in Bridgework xvii. 183 The earliest attempts to incorporate esthetics in the mechanical procedures of tooth restoration was the banded dowel, or postcrown, with a porcelain facing, presented by Dr. C. M. Richmond, many years ago.
1963 C. R. Cowell et al. Inlays, Crowns, & Bridges viii. 90 An effective temporary post-crown consists of acrylic resin on a preformed post or wire.
1990 Internat. Endodontic Jrnl. 23 239 Forty-eight hours after obturation each group of 15 teeth was prepared to accept a post crown.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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n.1905
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