Novel Materials and Techniques for Dental Implants

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Biobased and Biodegradable Metals".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 930

Special Issue Editor


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Guest Editor
R&D Department-Test Lab, Steros GPA Innovative S.L., C/Maracaibo 1, Naus 2-6, 08030 Barcelona, Spain
Interests: post-processing process; anodizing and platting process; 3D-printing process; microstructural design; advanced characterization techniques; mechanical properties at different length scales; plastic deformation mechanisms; degradation process; revalorization and reutilization
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Special Issue Information

Dear Colleagues,

Advanced materials (e.g.,: ceramic, metallic, and metallic alloy materials), post-processing techniques (e.g., anodizing, physical, or chemical vapor deposition, etc.), and/or surface modification strategies (e.g., chemical etching, laser patterning, etc.) have gained interest within the field of biomedical applications over the last years, particularly for dental implants.

In this regard, an improved knowledge of these advanced materials, as well as the post-treatment surfaces of them and the correlation between the microstructure, corrosion resistance, and biocompatibility properties will lead to hierarchical design materials, ranging across length scales over several orders of magnitude (i.e., from nanometers to hundreds of centimeters), depending the post-processing technique used.

Based on these considerations, this Special Issue aims to provide a critical overview of the current post-processing techniques and surface modification strategies for advanced materials, investigating and comparing the changes produced by these treatments in terms of microstructure, aging, and corrosion resistance, and the biological performance for dental implants. Furthermore, research articles, reviews, and communications relating to this topic, thus leading to developments in the design of advanced biomaterials for both material science researchers and practicing engineers and dentists, are all invited for this Special Issue.

You may choose our Joint Special Issue in Materials.

Dr. Joan Josep Roa
Guest Editor

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Keywords

  • post-processing process
  • surface modification strategies
  • dental materials
  • microstructural characterization

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Published Papers (1 paper)

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Research

14 pages, 6220 KiB  
Article
Post-Processing of AM-EBM Ti6Al4V for Biomedical Applications: Evolution of Mechanical Properties as a Function of Surface Roughness
by Andrea Valencia-Cadena, Ude Hangen and Joan Josep Roa Rovira
Metals 2024, 14(12), 1423; https://doi.org/10.3390/met14121423 - 12 Dec 2024
Viewed by 604
Abstract
Post-processing, and particularly the dry electropolishing process, is essential for improving the surface quality of 3D-printed Ti6Al4V samples, with specific emphasis on reducing roughness over extended polishing times while preserving mechanical properties. Reducing surface roughness enhances the reliability of hardness measurements and improves [...] Read more.
Post-processing, and particularly the dry electropolishing process, is essential for improving the surface quality of 3D-printed Ti6Al4V samples, with specific emphasis on reducing roughness over extended polishing times while preserving mechanical properties. Reducing surface roughness enhances the reliability of hardness measurements and improves the consistency of elastic modulus measurements, as prolonged polishing time stabilizes the full width at half maximum values, thereby minimizing variability due to uniaxial indentation. This stability is crucial for maintaining the structural integrity and uniformity of mechanical properties, facilitating better performance and reliability in biomedical applications. Additionally, under service-like working conditions, solid electrolyte particles undergo dehydration due to the Joule effect, introducing a dynamic aspect to the system as the particle structure degrades with thermal cycling. EDX cross-sectional analysis reveals that TiO2 informs the particle’s surface, with an oxygen-to-titanium ratio that confirms the oxide’s composition. This TiO2 oxide layer demonstrates the progressive surface oxidation occurring under the post-processing process, further modifying the particle’s surface chemistry. This dual effect of roughness reduction and controlled surface chemistry highlights the role of dry electropolishing in enhancing the functional lifespan and mechanical reliability of Ti6Al4V components. Full article
(This article belongs to the Special Issue Novel Materials and Techniques for Dental Implants)
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