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https://ptsldigital.ukm.my/jspui/handle/123456789/457429Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.advisor | Yew Hsu Zenn, Dr. | - |
| dc.contributor.author | Muhammad Hidayat Muhammad Daud (P66135) | - |
| dc.date.accessioned | 2023-09-12T04:06:46Z | - |
| dc.date.available | 2023-09-12T04:06:46Z | - |
| dc.date.issued | 2015-06-02 | - |
| dc.identifier.other | ukmvital:98534 | - |
| dc.identifier.uri | https://ptsldigital.ukm.my/jspui/handle/123456789/457429 | - |
| dc.description | The core-veneer bond strength of zirconia is believed to be influenced by factors including types of zirconia. To date, studies the bond strength between veneering porcelain and zirconia core fabricated by slip-cast technique is lacking. The aim of this study was to investigate and compare the shear bond strength (SBS) of three core materials with two veneering porcelains. Sixty cylindrical discs (11mm in diameter and 3 mm of thickness) were fabricated experimental zirconia (Zir), Cercon®(Cer) and metal (Met). Ceramkiss®(Ck) and InLine®(IL) veneering porcelains were fired to each core in thickness of 3 mm. Prior to veneering process, all core materials were sandblasted with 100 μm Al2O3 and a layer of opaque liner was applied in the first firing. The bonded samples were subjected to shear bond test following storage in distilled water (37 °C) for 24 hours. Scanning electron micrograph (SEM) was used to identify the mode of bonding failure. The results were analysed with One-way ANOVA and Independent t-test with Tukey post-hoc test. Interaction effect analysis was performed using two-way ANOVA. Met-IL displayed the highest mean SBS value (28.9±3.75 MPa) while Cer-IL group obtained the lowest value (2.8±0.67 MPa). The mean SBS values of Zir-Ck and Zir-IL were found to be 23.1±2.43 MPa and 4.1± 0.91MPa respectively. When veneered with the same veneering porcelain, both experimental zirconia and Cercon® were comparable, while significant differences were observed between metal and zirconia groups. All core materials exhibited significant differences in the shear bond strength when veneered with different veneering ceramics. Cohesive failure occurs in high SBS group, while mixed cohesive-adhesive failures were seen in the other groups. The core–veneer SBS appears to be material-dependent. The types of core and veneering materials significantly affect the SBS. Slip casted experimental zirconia and commercial zirconia demonstrated similar bonding capabilities with the existing veneering porcelain designed for zirconia core.,Doctorate in Clinical Dentistry (Restorative Dentistry) | - |
| dc.language.iso | eng | - |
| dc.publisher | UKM, Kuala Lumpur | - |
| dc.relation | Faculty of Dentistry / Fakulti Pergigian | - |
| dc.rights | UKM | - |
| dc.subject | Veneering porcelain | - |
| dc.subject | Zirconia | - |
| dc.subject | Shear bond strength | - |
| dc.subject | Dissertations, Academic -- Malaysia | - |
| dc.subject | Universiti Kebangsaan Malaysia -- Dissertations | - |
| dc.title | Evaluation of shear bond strength of a novel nano-zirconia and veneering ceramics | - |
| dc.type | theses | - |
| dc.format.pages | 66 | - |
| dc.identifier.callno | WU20.5.M952e 2015 9 Tesis | - |
| Appears in Collections: | Faculty of Dentistry / Fakulti Pergigian | |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| ukmvital_98534+Source01+Source010.PDF Restricted Access | 88.67 kB | Adobe PDF |  View/Open |
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