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Development Of Hybrid Coating Materials To Improve The Success Of Titanium Implants, Zach Gouveia
Development Of Hybrid Coating Materials To Improve The Success Of Titanium Implants, Zach Gouveia
Electronic Thesis and Dissertation Repository
While titanium (Ti) and its alloys have become ubiquitous within implantology as materials to restore or augment the function of human tissues, their success is plagued by complications associated with infection and aseptic implant loosening. These two risks account for the majority of implant failures in the clinic and limit the long-term success of titanium implants in vivo. Therefore, this thesis describes the development of robust multifunctional class II organic-inorganic hybrid coating materials for titanium implants that could be used to effectively target both complications, concurrently. During this master’s work, two different coating systems were examined. First, class II …
Bioactive Glass-Ceramic Coating Of Titanium Substrates By Alkaline Hydrothermal Process, Mohamed Gebril
Bioactive Glass-Ceramic Coating Of Titanium Substrates By Alkaline Hydrothermal Process, Mohamed Gebril
Electronic Thesis and Dissertation Repository
Surface modification is a well-known approach to enhance the osseointegration of titanium dental implants. In this study, a novel hydrothermal method for coating titanium surfaces with bioactive glass was developed. Our method included sol-gel synthesis of bioactive glass, followed by hydrothermal coating of titanium under different NaOH concentrations. The surface properties of coated substrates were evaluated by scanning electron microscopy, X-ray diffraction, energy dispersive X-ray spectroscopy, and surface profilometry. By varying the alkalinity of the hydrothermal process, different surface topographies, crystalline phases and chemistries could be obtained. Soaking the hydrothermally coated titanium substrates in simulated body fluid resulted in hydroxyapatite …