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Open AccessArticle

Novel Approach in the Use of Plasma Spray: Preparation of Bulk Titanium for Bone Augmentations

1
Department of Metals and Corrosion Engineering, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
2
Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
*
Author to whom correspondence should be addressed.
Materials 2017, 10(9), 987; https://doi.org/10.3390/ma10090987
Received: 12 July 2017 / Revised: 14 August 2017 / Accepted: 21 August 2017 / Published: 24 August 2017
(This article belongs to the Section Biomaterials)
Thermal plasma spray is a common, well-established technology used in various application fields. Nevertheless, in our work, this technology was employed in a completely new way; for the preparation of bulk titanium. The aim was to produce titanium with properties similar to human bone to be used for bone augmentations. Titanium rods sprayed on a thin substrate wire exerted a porosity of about 15%, which yielded a significant decrease of Young′s modulus to the bone range and provided rugged topography for enhanced biological fixation. For the first verification of the suitability of the selected approach, tests of the mechanical properties in terms of compression, bending, and impact were carried out, the surface was characterized, and its compatibility with bone cells was studied. While preserving a high enough compressive strength of 628 MPa, the elastic modulus reached 11.6 GPa, thus preventing a stress-shielding effect, a generally known problem of implantable metals. U-2 OS and Saos-2 cells derived from bone osteosarcoma grown on the plasma-sprayed surface showed good viability. View Full-Text
Keywords: titanium; plasma spray; porosity; bone augmentation titanium; plasma spray; porosity; bone augmentation
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MDPI and ACS Style

Fousova, M.; Vojtech, D.; Jablonska, E.; Fojt, J.; Lipov, J. Novel Approach in the Use of Plasma Spray: Preparation of Bulk Titanium for Bone Augmentations. Materials 2017, 10, 987.

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