“post crown”的英文意思_释义_用法

单词

post crown

释义

post crown Dentistry.
Also with hyphen and as one word.
[f. post n.¹ + crown n.]
A prosthetic dental crown held in place by a post or wire sunk into the root of the tooth.
1905G. Evans Pract. Treat. Artific. Crown-, Bridge-, & Porcelain Work ii. 58 Each of these conditions causes fracture of roots carrying post or dowel crowns.1936J. R. Schwartz Cavity Prep. & Abutment Construction 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.1963C. R. Cowell et al. Inlays, Crowns, & Bridges viii. 90 An effective temporary post⁓crown consists of acrylic resin on a preformed post or wire.1974L. J. Leggett in Harty & Roberts Restorative Procedures for Practising Dentist xvi. 216 A post crown is indicated, in a root-filled tooth, where there is insufficient bulk or strength in the remaining crown to support a jacket crown.

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