Shear Bond Strength of Ceramic Veneers to Zirconia–Calcium Silicate Cores

Improving the bond strength of veneering ceramics to ZrO<sub>2</sub>-based cores remains a challenge. The purpose of this study was to evaluate the shear bond strength of different ZrO<sub>2</sub> cores containing calcium silicate (CaSi) to veneering ceramics. Five types of Z...

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Autores principales: Ting-Yi Chiang, Chun-Chuan Yang, Yi-Hsuan Chen, Min Yan, Shinn-Jyh Ding
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:7cacdc05614748e7bb51b1b271813d2c2021-11-25T17:16:08ZShear Bond Strength of Ceramic Veneers to Zirconia–Calcium Silicate Cores10.3390/coatings111113262079-6412https://doaj.org/article/7cacdc05614748e7bb51b1b271813d2c2021-10-01T00:00:00Zhttps://www.mdpi.com/2079-6412/11/11/1326https://doaj.org/toc/2079-6412Improving the bond strength of veneering ceramics to ZrO<sub>2</sub>-based cores remains a challenge. The purpose of this study was to evaluate the shear bond strength of different ZrO<sub>2</sub> cores containing calcium silicate (CaSi) to veneering ceramics. Five types of ZrO<sub>2</sub>-based cores (n = 230) were divided into two groups: with or without oxygen plasma treatment. These were bound to two veneering ceramics (IPS e.max Ceram or VITA VM9). Shear bond strength of veneering ceramics to various cores was measured (n = 10), in addition to phase composition, surface morphology and contact angle of the cores. The results indicated that the plasma treatment had a significant effect on the water contact angle of the ZrO<sub>2</sub>-based cores, but had little effect on the bond strength. Regardless of plasma treatment, the highest strength value was recorded in the ZrO<sub>2</sub> core specimen containing 20 wt % CaSi, when all cores were adhered to VITA VM 9 veneer. When using IPS e.max Ceram veneer, the shear bond strength of the plasma-treated 20 wt % CaSi-containing ZrO<sub>2</sub> core was 16.6 ± 0.9 MPa higher than that of VITA In-Ceram YZ core control (13.4 ± 1.0 MPa) (<i>p</i> < 0.05). We conclude that the presence of 20 wt % CaSi in ZrO<sub>2</sub> can improve the shear bond strength of zirconia-based cores to veneering ceramic.Ting-Yi ChiangChun-Chuan YangYi-Hsuan ChenMin YanShinn-Jyh DingMDPI AGarticlezirconiacalcium silicaterestorationveneer ceramicEngineering (General). Civil engineering (General)TA1-2040ENCoatings, Vol 11, Iss 1326, p 1326 (2021)
institution DOAJ
collection DOAJ
language EN
topic zirconia
calcium silicate
restoration
veneer ceramic
Engineering (General). Civil engineering (General)
TA1-2040
spellingShingle zirconia
calcium silicate
restoration
veneer ceramic
Engineering (General). Civil engineering (General)
TA1-2040
Ting-Yi Chiang
Chun-Chuan Yang
Yi-Hsuan Chen
Min Yan
Shinn-Jyh Ding
Shear Bond Strength of Ceramic Veneers to Zirconia–Calcium Silicate Cores
description Improving the bond strength of veneering ceramics to ZrO<sub>2</sub>-based cores remains a challenge. The purpose of this study was to evaluate the shear bond strength of different ZrO<sub>2</sub> cores containing calcium silicate (CaSi) to veneering ceramics. Five types of ZrO<sub>2</sub>-based cores (n = 230) were divided into two groups: with or without oxygen plasma treatment. These were bound to two veneering ceramics (IPS e.max Ceram or VITA VM9). Shear bond strength of veneering ceramics to various cores was measured (n = 10), in addition to phase composition, surface morphology and contact angle of the cores. The results indicated that the plasma treatment had a significant effect on the water contact angle of the ZrO<sub>2</sub>-based cores, but had little effect on the bond strength. Regardless of plasma treatment, the highest strength value was recorded in the ZrO<sub>2</sub> core specimen containing 20 wt % CaSi, when all cores were adhered to VITA VM 9 veneer. When using IPS e.max Ceram veneer, the shear bond strength of the plasma-treated 20 wt % CaSi-containing ZrO<sub>2</sub> core was 16.6 ± 0.9 MPa higher than that of VITA In-Ceram YZ core control (13.4 ± 1.0 MPa) (<i>p</i> < 0.05). We conclude that the presence of 20 wt % CaSi in ZrO<sub>2</sub> can improve the shear bond strength of zirconia-based cores to veneering ceramic.
format article
author Ting-Yi Chiang
Chun-Chuan Yang
Yi-Hsuan Chen
Min Yan
Shinn-Jyh Ding
author_facet Ting-Yi Chiang
Chun-Chuan Yang
Yi-Hsuan Chen
Min Yan
Shinn-Jyh Ding
author_sort Ting-Yi Chiang
title Shear Bond Strength of Ceramic Veneers to Zirconia–Calcium Silicate Cores
title_short Shear Bond Strength of Ceramic Veneers to Zirconia–Calcium Silicate Cores
title_full Shear Bond Strength of Ceramic Veneers to Zirconia–Calcium Silicate Cores
title_fullStr Shear Bond Strength of Ceramic Veneers to Zirconia–Calcium Silicate Cores
title_full_unstemmed Shear Bond Strength of Ceramic Veneers to Zirconia–Calcium Silicate Cores
title_sort shear bond strength of ceramic veneers to zirconia–calcium silicate cores
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/7cacdc05614748e7bb51b1b271813d2c
work_keys_str_mv AT tingyichiang shearbondstrengthofceramicveneerstozirconiacalciumsilicatecores
AT chunchuanyang shearbondstrengthofceramicveneerstozirconiacalciumsilicatecores
AT yihsuanchen shearbondstrengthofceramicveneerstozirconiacalciumsilicatecores
AT minyan shearbondstrengthofceramicveneerstozirconiacalciumsilicatecores
AT shinnjyhding shearbondstrengthofceramicveneerstozirconiacalciumsilicatecores
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