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Development of β Type Ti23Mo-45S5 Bioglass Nanocomposites for Dental Applications

1
Department of Conservative Dentistry and Periodontology, Poznan University of Medical Sciences, Bukowska 70, Poznan 60-812, Poland
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Institute of Materials Science and Engineering, Poznan University of Technology, Jana Pawla II 24, Poznan 61-138, Poland
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Division of Mother’s and Child’s Health, Poznan University of Medical Sciences, Polna 33, Poznan 60-535, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Juergen Stampfl
Materials 2015, 8(12), 8032-8046; https://doi.org/10.3390/ma8125441
Received: 17 September 2015 / Revised: 13 November 2015 / Accepted: 16 November 2015 / Published: 25 November 2015
(This article belongs to the Section Biomaterials)
Titanium β-type alloys attract attention as biomaterials for dental applications. The aim of this work was the synthesis of nanostructured β type Ti23Mo-x wt % 45S5 Bioglass (x = 0, 3 and 10) composites by mechanical alloying and powder metallurgy methods and their characterization. The crystallization of the amorphous material upon annealing led to the formation of a nanostructured β type Ti23Mo alloy with a grain size of approximately 40 nm. With the increase of the 45S5 Bioglass contents in Ti23Mo, nanocomposite increase of the α-phase is noticeable. The electrochemical treatment in phosphoric acid electrolyte resulted in a porous surface, followed by bioactive ceramic Ca-P deposition. Corrosion resistance potentiodynamic testing in Ringer solution at 37 °C showed a positive effect of porosity and Ca-P deposition on nanostructured Ti23Mo 3 wt % 45S5 Bioglass nanocomposite. The contact angles of glycerol on the nanostructured Ti23Mo alloy were determined and show visible decrease for bulk Ti23Mo 3 wt % 45S5 Bioglass and etched Ti23Mo 3 wt % 45S5 Bioglass nanocomposites. In vitro tests culture of normal human osteoblast cells showed very good cell proliferation, colonization, and multilayering. The present study demonstrated that porous Ti23Mo 3 wt % 45S5 Bioglass nanocomposite is a promising biomaterial for bone tissue engineering. View Full-Text
Keywords: titanium; 45S5 bioglass; nanocomposite; powder metallurgy; surface properties; etching titanium; 45S5 bioglass; nanocomposite; powder metallurgy; surface properties; etching
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Jurczyk, K.; Miklaszewski, A.; Jurczyk, M.U.; Jurczyk, M. Development of β Type Ti23Mo-45S5 Bioglass Nanocomposites for Dental Applications. Materials 2015, 8, 8032-8046.

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