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Updated: Aug 21, 2025
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Applying Dynamic Strain on Thin Oxide Films Immobilized on a Pseudoelastic Nickel-Titanium Alloy
Published on: July 28, 2020
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Predictability and outcome of titanium color after different surface modifications and anodic oxidation
Aida Seyidaliyeva1, Stefan Rues1, Zinonas Evagorou2
1University of Heidelberg, Dental School, Department of Prosthodontics.
Dental Materials Journal
|November 17, 2022
Summary
Sandblasting is the most predictable surface treatment for titanium, offering a consistent outcome. Anodizing techniques produce the brightest and most chromatic titanium colors, though with less predictability.
Area of Science:
- Materials Science
- Biomaterials Engineering
- Surface Chemistry
Background:
- Surface modification is crucial for titanium implants.
- Anodization is a key surface treatment technique.
- Understanding color outcomes is important for aesthetic and functional assessments.
Purpose of the Study:
- To evaluate the predictability and color outcomes of different surface modification techniques for titanium.
- To compare sandblasting, polishing+anodizing, sandblasting+anodizing, and polishing+etching+anodizing.
- To determine the most predictable surface treatment method.
Main Methods:
- In-vitro study evaluating four surface modification techniques: sandblasting (S), polishing+anodizing (PA), sandblasting+anodizing (SA), and polishing+etching+anodizing (PEA).
- Color coordinates (L*, a*, b*) were measured using a spectroradiometer.
- Color differences quantified by ΔE00; statistical analysis using 1-way ANOVA and Tukey tests.
Main Results:
- Polishing+anodizing (PA) specimens were brightest with yellowish-reddish hues.
- Sandblasting (S) and sandblasting+anodizing (SA) groups were significantly darker.
- Sandblasting demonstrated higher predictability of outcome compared to other groups.
Conclusions:
- Sandblasting is the most predictable surface treatment method for titanium.
- Anodizing techniques yield the brightest and most chromatic titanium color.
- Surface modification significantly impacts titanium color and predictability.
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