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Paper Titles
Synthesis of Coloured Dental Zirconia Ceramics and their Mechanical Behaviors
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Influence of Different Thickness of Zirconia Core on the Flexural Strength of Bilayered Ceramics in Artificial Saliva
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Color Reproduction and Shade Stability of Zirconia Ceramics
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A Comparison of the Application between Different Proportional nHA / PLA in Alveolar Bone Preservation
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Formation Mechanism and its Pozzolanic Activity of Metakaolin
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Color Reproduction and Shade Stability of Zirconia Ceramics

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Abstract:

The use of zirconia crown has attracted considerable attention due to its good mechanical and optimal biocompatility. The white color of zirconia does not allow for perfect aesthetic characteristics though. Colorized zirconia blocks with Pr6O11, Er2O3 and Fe2O3 gradient concentration and the shade stability were investigated. Chromatic values of the samples were presented in CIELab system, and the shade stability was evaluated by color comparison of samples in the same group. The value of L* from 68.2-84.0, a* from-1.8-5.9, and b* from 18.6-33.2 can be obtained. These values can be comparable to the Vita 3D master system. The E between the samples of every group was below 2.2. The results showed that by adding combined oxides of gradient concentration could reproduce the tooth-like color of zirconia ceramics, and the shade stability was satisfied.

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Periodical:

Key Engineering Materials (Volumes 602-603)

Pages:

610-614

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.602-603.610

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Online since:

March 2014

Authors:

Shi Ming Liu, Jing Liu, Xu Liang Deng, Yuan Hua Lin, Feng Liu*

Keywords:

Color, Dental Ceramic, Pre-Color Technique, Zirconia

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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