Effect of different surface zirconium oxide treatments on binding strength between zirconia and veneering ceramics.
10.11817/j.issn.1672-7347.2019.01.009
- Author:
Yuhong XIA
1
;
Fei XU
2
;
Lei CHEN
2
;
Xiongwen ZHOU
2
;
Yang CAO
3
,
4
;
Hui TONG
5
Author Information
1. Department of Implant and Prosthodontics, Haizhu Square Branch, Stomatological Hospital of Southern Medical University, Guangzhou 510280, China.
2. Center of Stomatology, Xiangya Hospital, Central South University, Changsha 410008, China.
3. Medical Engineering Center, Xiangya Hospital, Central South University, Changsha 410008
4. Heavy Metal Metallurgy and Advanced Material Research Institute, School of Metallurgy and Environment, Central South University, Changsha 410083, China.
5. Heavy Metal Metallurgy and Advanced Material Research Institute, School of Metallurgy and Environment, Central South University, Changsha 410083, China.
- Publication Type:Journal Article
- MeSH:
Ceramics;
Dental Bonding;
Dental Stress Analysis;
Dental Veneers;
Materials Testing;
Microscopy, Electron, Scanning;
Shear Strength;
Stress, Mechanical;
Surface Properties;
Zirconium
- From:
Journal of Central South University(Medical Sciences)
2019;44(1):53-58
- CountryChina
- Language:Chinese
-
Abstract:
To compare the effect of three different surface zirconium oxide treatments on binding strength and fracture patterns between zirconia and veneering ceramics.
Methods: A total of 40 zirconia specimens and 10 nickel-chromium alloy were divided into 5 groups (n=10 in each group): a treatment group by zirconium oxide sand-blaste (Group A), a zirconia bonded porcelain group (Group B), a hot-etching solution group (Group C), a non-treatment zirconia (Group D) and a non-treatment nickel-chromium alloy group (Group E). After all treatments, a veneering porcelain (4 mm×4 mm×2 mm) was formed onto the center of all substrate specimens by plastic coating method. Shear bond strength (SBS) test with a universal testing machine was used in each group. Scanning electron microscopy was used to observe the surface morphology of the damaged specimen interface, which was randomly selected from each group.
Results: The SBS test showed that there was no significant difference in SBS results between the Group A, the Group B and the Group D (both P>0.05), and both of them were significant less than that in the group E (both P<0.05). The SBS results in the Group C were significantly higher than that in the Group D, the Group A, and the Group B (all P<0.05), but there were no significant difference compared with that in the Group E (P<0.05).
Conclusion: Sand-blaste and liner application on zirconia ceramic contribute no effect to binding strength between zirconia and veneering ceramics, but hot-etching solution can increase the binding strength between zirconia and veneering ceramics.
