Study on Dental Colored Zirconia Restoration-Reference-Cited by-同舟云学术

Study on Dental Colored Zirconia Restoration

Published:2008-02 Issue: Volume:368-372 Page:1255-1257
ISSN:1662-9795
Container-title:Key Engineering Materials
language:
Short-container-title:KEM

Author:

Wen Ning¹,Yi Yuan Fu²,Zhang Wei Wei³,Liu Hong Chen⁴,Shao Long Quan⁵,Deng Bin¹,Tian Jie Mo⁶

Affiliation:

1. General Hospital of Chinese People’s Liberation Army

2. General Hospital of Chinese People’s Armed Police Forces

3. ShandongUniversityofScienceandTechnology

4. General Hospital of Chinese PLA

5. Southern Medical University

6. Tsinghua University

Abstract

This paper explored the color and mechanical properties of CeO2 and Er2O3 shaded zirconia ceramics for dental application. Twelve kinds of colored dental ZrO2 powders were prepared. Experimental results showed that the hue of the materials shift from yellow-green to yellow-red with the increasing concentration of the CeO2 and Er2O3, while reducing of the brightness( L* ) value was little. Three-point bending strength decreased form 1209MPa to 845MPa after coloring, which was lower than the uncolored materials (1301MPa). The fracture toughness decrease slightly. SEM observation revealed more porous microstructure in specimen containing both two additives. Cerium oxide and erbium oxide are candidates of color additives for shading dental zirconia ceramics.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Link

https://www.scientific.net/KEM.368-372.1255.pdf

Reference6 articles.

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