Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Influence of Biocompatible Coating on Titanium Surface Characteristics

Version 1 : Received: 19 April 2020 / Approved: 22 April 2020 / Online: 22 April 2020 (08:41:36 CEST)

How to cite: Petrović, Ž.; Katić, J.; Šarić, A.; Despotović, I.; Matijaković, N.; Kralj, D.; Leskovac, M.; Petković, M. Influence of Biocompatible Coating on Titanium Surface Characteristics. Preprints 2020, 2020040396 (doi: 10.20944/preprints202004.0396.v1). Petrović, Ž.; Katić, J.; Šarić, A.; Despotović, I.; Matijaković, N.; Kralj, D.; Leskovac, M.; Petković, M. Influence of Biocompatible Coating on Titanium Surface Characteristics. Preprints 2020, 2020040396 (doi: 10.20944/preprints202004.0396.v1).

Abstract

Background: Nowadays investigations in the field of dental implants engineering are focused on bioactivity and osseointegration properties.Objective: In this study, the oxide-covered titanium was functionalized by vitamin D3 molecules via a simple self-assembly method with the aim to design more corrosion resistant and at the same time more bioactive surface.Methods: Surface properties of the D3-coated titanium were examined by scanning electron microscopy, attenuated total reflectance Fourier transform infrared spectroscopy, and contact angle measurements, while a long-term corrosion stability during immersion in an artificial saliva solution was investigated in situ by electrochemical impedance spectroscopy.Results: Results of all techniques confirmed a successful formation of the D3 vitamin layer on the oxide-covered titanium. Besides very good corrosion resistivity (~5 MΩcm2 ) the D3-modified titanium surface induced spontaneous formation of biocompatible bone-like calcium phosphates (CaP).Conclusion: Observed in vitro CaP-forming ability as a result of D3-modified titanium/artificial saliva interactions could serve as a promising predictor of in vivo bioactivity of implant materials.

Subject Areas

titanium; D3 vitamin; self-assembly; surface coating; calcium phosphates; corrosion properties

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