Influence of Biocompatible Coating on Titanium Surface Characteristics

Željka Petrović; Jozefina Katić; Ankica Šarić; Ines Despotović; Nives Matijaković; Damir Kralj; Mirela Leskovac; Marin Petković

doi:10.20944/preprints202004.0396.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

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

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.

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

MATERIALS SCIENCE, Surfaces, Coatings & Films

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Influence of Biocompatible Coating on Titanium Surface Characteristics

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