Shear Bond Strength of Different Zirconia Generations Bonded with Self Adhesive Resin Containing MDP | ||
| Ain Shams Dental Journal | ||
| Article 5, Volume 28, Issue 4, December 2022, Pages 20-27 PDF (1.4 M) | ||
| Document Type: Original articles | ||
| DOI: 10.21608/asdj.2023.184837.1163 | ||
| Authors | ||
| Maha Fouad* 1; Nasser Hussein2; Sahar Mokhtar3; Lina Saade4 | ||
| 1Lecturer Fixed Prosthodontics department, Faculty of Dentistry, Galala University | ||
| 2Associate Professor, Fixed prosthodontics Department, Modern University for Information and Technology, Egypt | ||
| 3Lecturer, Fixed Prosthodontics Department, Faculty of Dentistry, Misr University for Science and Technology, Egypt | ||
| 4Clinical Instructor, Department of Oral Rehabilitation , Faculty of Dentistry, Beirut Arab University, Beirut, Lebanon | ||
| Abstract | ||
| Statement of Problem: Do the different zirconia generations respond similarly to the same bonding protocol of self-adhesive resin containing MDP. Materials and Methods: Four groups of zirconia specimens were used (n=10 each): according to the generation of zirconia used: group Hi Translucent is generation 1, group Super Translucent is generation 2, group Top Translucent is generation 3, and group Esthetic Explore is generation 5. Ten zirconia cuboids were dry-milled of each of the 4-zirconia blocks using a CAD CAM milling machine then sintered in a ceramic oven. Forty composite cuboids 4X4 were fabricated and cemented using self-adhesive resin cement containing MDP to each zirconia cuboid using custom constructed Plexi-Frames. All specimens were thermally cycled and subjected to shear bond strength in the universal testing machine. Results: The mean SBS was higher in EX group (30.58+ 11.9) followed by HT group (23.16+ 3.6), then TT group (21.59+ 6.6), and finally ST group (21.47+ 6.1). One-Way ANOVA revealed a significant difference in SBS between tested groups. Conclusions: The 5th generation of zirconia scored the highest mean SBS values. More surface treatment protocols should be suggested for each zirconia generation. | ||
| Keywords | ||
| Zirconia; generations; SBS; Shear bond strength; and surface treatment | ||
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