alexa Improvement of Bond Strength between Zirconia Framework and Veneering Porcelain
ISSN: 2161-1122

Dentistry
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Research Article

Improvement of Bond Strength between Zirconia Framework and Veneering Porcelain

Yuhui Chen1, Chuhua Tang1*, Shenggen Shi1*, Wenjie Si2,3 and Xiao Liu3

1Diagnosis & Treatment Center of Oral Diseases of the PLA, The 306th Hospital of the PLA, Beijing, China

2School of Materials Science and Engineering, Tsinghua University, Beijing, China

3Shenzhen Upcera Dental Technology Co., Ltd, Shenzhen, China

*Corresponding Author:
Chuhua Tang
Diagnosis & Treatment Center of Oral Diseases of the PLA
The 306th Hospital of the PLA, Beijing, China
Tel: 8613910687917
E-mail: [email protected]

Shenggen Shi
Diagnosis & Treatment Center of Oral Diseases of the PLA
The 306th Hospital of the PLA, Beijing, China
Tel: 8613661037718
E-mail: [email protected]

Received date : November 26, 2015; Accepted date : December 23, 2015; Published date : December 31, 2015

Citation: Chen Y, Tang C, Shi S, Si W, Liu X (2015) Improvement of Bond Strength between Zirconia Framework and Veneering Porcelain. Dentistry 6:352. doi:10.4172/2161-1122.1000352

Copyright: © 2015 Chen Y, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



 

Abstract

A series of specimens with different surface morphology, pre-sintering process, and sintering temperature were designed for studying the improvement of bond strength between zirconia framework and veneering porcelain. Shear strength test, Scanning Electron Microscope (SEM), and Energy Dispersive Spectrometer (EDS) were adopted in the investigation. A remarkably enhance of average bond strength from 24.1 MPa to 37.2 MPa was obtained by performing humps on zirconia substrate. Moreover, a pre-sintering process for bonding porcelain was beneficial to the increasing of bond strength. Hence, during all-ceramic dental restoration fabrication, it is promising to perform surface treatment on zirconia and conduct pre-sintering procedure on bonding porcelain for the improvement of bond strength between zirconia framework and veneering porcelain.

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