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A Study on Toughened Zirconia Ceramics As Dental Implant Material

Saad, Abdullah Al
http://orcid.org/0000-0001-9560-1375
http://rave.ohiolink.edu/etdc/view?acc_num=toledo159676065436127

Abstract Details

2020, Master of Science, University of Toledo, Mechanical Engineering.
The demand for developing biomaterials with the optimum mechanical and corrosion properties for dental prostheses is increasing. Zirconia, a ceramic material, is getting more attention for its favorable physical, biological, and corrosion resistance attributes. Zirconia demonstrates polymorphism, and upon cooling, it exhibits martensitic transformation. This results in the uncontrolled expansion of the volume of about 5% and makes it suitable for clinical load bearing application. However, it can result in material catastrophic failure. By introducing a dopant into its crystal structure, this transformation can be stabilized, controlled, and the material becomes fracture-resistant under load-bearing situations. Ceria is isovalent with zirconia and does not create any vacancies upon substitution. In this study, 20 mol % Ceria Stabilized Zirconia (Ce-TZP) has been characterized upon sintering at three different temperatures, such as 1400℃, 1500℃, and 1600℃ for 2 hours. X-ray Diffraction Pattern and Raman spectroscopy confirmed the tetragonal phase, and while analyzing the Scanning electron microscopy images, the increase in grain size is confirmed with sintering temperature. If the tetragonal phase can be confirmed with no change in the grain size distribution and surface roughness, Ce-TZP can be considered aging resistant, which is an important property to consider Ce-TZP as a prospective dental implant material.
Sarit Bhaduri (Committee Chair)
Vijay Goel (Committee Member)
Anju Gupta (Committee Member)
79 p.
Mechanical Engineering
dental implants; ceramics; zirconia; aging; LTD

Recommended Citations

Citations

  • Saad, A. A. (2020). A Study on Toughened Zirconia Ceramics As Dental Implant Material [Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo159676065436127

    APA Style (7th edition)

  • Saad, Abdullah Al. A Study on Toughened Zirconia Ceramics As Dental Implant Material. 2020. University of Toledo, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo159676065436127.

    MLA Style (8th edition)

  • Saad, Abdullah Al. "A Study on Toughened Zirconia Ceramics As Dental Implant Material." Master's thesis, University of Toledo, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=toledo159676065436127

    Chicago Manual of Style (17th edition)

toledo159676065436127
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This open access ETD is published by University of Toledo and OhioLINK.