Synergetic efect of essential oils and calcium phosphate nanoparticles for enhancement the corrosion resistance of titanium dental implant

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Date

2024-01

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Article

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Nature Publishing Group

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Scientifc Reports;(2024) 14:1573

Abstract

Calcium phosphate (CaPO4) coating is one of various methods that is used to modify the topography and the chemistry of Ti dental implant surface to solve sever oral problems that result from diseases, accidents, or even caries due to its biocompatibility. In this work, anodized (Ti-bare) was coated by CaPO4 prepared from amorphous calcium phosphate nanoparticles (ACP-NPs) and confrmed the structure by X-ray difraction (XRD) and Fourier-transform infrared spectroscopy (FT-IR) techniques. Ti-bare was coated by prepared CaPO4 through the casting process, and the morphology of Ti/CaPO4 was characterized by scanning electron microscope (SEM) where the nano-fakes shape of CaPO4 and measured to be 60 ~ 80 nm was confrmed. The stability of Ti-bare and coated Ti/CaPO4 was studied in a simulated saliva solution using electrochemical impedance spectroscopy (EIS) and linear polarization techniques to deduce their corrosion resistance. Furthermore, three essential oils (EO), Cumin, Thyme, and Coriander, were used to stimulate their synergistic efect with the CaPO4 coat to enhance the corrosion resistance of Ti implant in an oral environment. The ftting EIS parameters based on Rs [RctC] W circuit proved that the charge transfer resistance (Rct) of Ti/CaPO4 increased by 264.4, 88.2, and 437.5% for Cumin, Thyme, and Coriander, respectively, at 2% concentration.

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