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Updated: Jul 16, 2026

High Temperature Fabrication of Nanostructured Yttria-Stabilized-Zirconia YSZ Scaffolds by In Situ Carbon Templating Xerogels
Published on: April 16, 2017
Expanded die technique: A novel approach to fabricate zirconia restorations
Erick A Eklin1, Dong Tony S Lee2,3, Sloan D McLaughlin2,3
1Advanced Education Program in Prosthodontics, Army Postgraduate Dental School, Uniformed Services University, Augusta, Georgia, USA.
Abstract:
The purpose of this article is to describe a technique to assess fit and modify zirconia in its pre-sintered state, resulting in an ideally contoured restoration. A zirconia crown and an associated die were digitally designed. A secondary die was formed by using the exact shrinkage factor of the milled zirconia crown to uniformly expand the die to evaluate the pre-sintered zirconia. The pre-sintered zirconia crown was placed on the expanded die to confirm marginal fit and adjust the safety zone. The crown was sintered and placed on the unaltered die to confirm accuracy of adjustments. This article describes a reproducible technique that aims to idealize marginal contours in zirconia restorations in the pre-sintered state and reduce post-sintered adjustments.
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