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Ti Alloys for Dental Implant Applications-Series II
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Ti Alloys for Dental Implant Applications-Series II

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: closed (20 July 2022) | Viewed by 5027

Special Issue Editor

Dr. Alicja Kazek-Kęsik

E-Mail Website
Guest Editor
Department of Inorganic Chemistry, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, B. Krzywoustego Street 6, 44-100 Gliwice, Poland
Interests: titanium alloys; implants; surface treatment; plasma electrolytic oxidation process; hybrid coatings; functional coatings; electrophoretic deposition; bioactivity; biocompatibility
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Titanium (Ti Grade 4) and Ti-6Al-4V alloy are widely used for the manufacture of dental implants due to their good biocompatibility. Novel titanium alloys, especially β-type titanium alloys and vanadium-free, are considered the future materials for dental implants. Thus, various manufacturing techniques are used to obtain biocompatible implants with the desirable mechanical properties. Various methods are available for the bioactivation of metal surface: plasma electrolytic oxidation, sol–gel methods, plasma spraying, ion implantation, electrophoretic deposition, chemical or physical vapor deposition, and the electro spinning or dip coating technique. Functional coatings can be designed for dental implant applications for human medicine and veterinary science, as well. Bioactive coatings should be composed only of biocompatible compounds and not from toxic corrosion or degradation products.

The following topics are within the scope of the Special Issue:

  • Manufacturing of titanium-based dental implants;
  • Surface treatment of dental implants made by commercially available and novel Ti alloys;
  • Formation of bioactive, ceramic coatings on a titanium alloy surface;
  • Enhancing antibacterial and antifouling properties of titanium alloy;
  • Formation of hybrid, ceramic–polymer coatings on Ti implants;
  • Characterization of Ti-based implants for dental applications, including biocompatibility analysis of implants and degradation of coatings in body fluids.

Dr. Alicja Kazek-Kęsik
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • dental implants
  • titanium alloy
  • bioactivity
  • biocompatibility
  • antibacterial properties
  • surface modification
  • ceramic coatings
  • polymer coatings

Published Papers (2 papers)

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Research

15 pages, 36910 KiB  
Article
Relevant Aspects of Titanium and Zirconia Dental Implants for Their Fatigue and Osseointegration Behaviors
by Javier Aragoneses, Nansi Lopez Valverde, Manuel Fernandez-Dominguez, Jesús Mena-Alvarez, Cinthia Rodriguez, Javier Gil and Juan Manuel Aragoneses
Materials 2022, 15(11), 4036; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15114036 - 06 Jun 2022
Cited by 5 | Viewed by 2444
Abstract
Osseointegration capacity and good mechanical behavior are key to the success of the dental implant. In many investigations, comparisons of properties are made using different dental implant designs and therefore the results can be influenced by the macrodesign of the dental implant. In [...] Read more.
Osseointegration capacity and good mechanical behavior are key to the success of the dental implant. In many investigations, comparisons of properties are made using different dental implant designs and therefore the results can be influenced by the macrodesign of the dental implant. In this work, studies were carried out with the same dental implant model using different roughness and different materials—commercially pure titanium (grade 4) and zirconia. For this purpose, 80 smooth passivated titanium (Ti), 80 smooth zirconia (ZrO2), and 80 rough passivated titanium (Ti-R) dental implants were used. The samples were characterized by their roughness, wettability, surface energy, residual stresses, and fatigue behavior. The implants were implanted in minipigs for 4 and 12 weeks. The animals were sacrificed, and histological studies were carried out to determine the osseointegration parameters for each of the implantation times. Ti and ZrO2 dental implants have very similar wettability and surface energy properties. However, the roughness causes a decrease in the hydrophilic character and a decrease of the total surface energy and especially the dispersive component, while the polar component is higher. Due to the compressive residual stresses of alumina sandblasting, the rough dental implant has the best fatigue behavior, followed by Ti and due to the lack of toughness and rapid crack propagation the ZrO2 implants have the worst fatigue behavior. The bone index contact (BIC) values for 4 weeks were around 25% for Ti, 32% for ZrO2, and 45% for Ti-R. After 12 weeks the Ti dental implants increased to 42%, for Ti, 43% for ZrO2, and an important increase to 76% was observed for Ti-R implants. In vivo results showed that the key factor that improves osseointegration is roughness. There was no significant difference between ZrO2 and Ti implants without sandblasting. Full article
(This article belongs to the Special Issue Ti Alloys for Dental Implant Applications-Series II)
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12 pages, 2460 KiB  
Article
Zirconia vs. Titanium Dental Implants: Primary Stability In-Vitro Analysis
by Nerea Arlucea, Aritza Brizuela-Velasco, Markel Dieguez-Pereira, Miquel Punset, Meritxell Molmeneu, Fernando Sánchez Lasheras, Hector deLlanos-Lanchares and Ángel Álvarez-Arenal
Materials 2021, 14(24), 7886; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14247886 - 20 Dec 2021
Cited by 4 | Viewed by 2021
Abstract
The present experimental trial uses two types of dental implants, one made of titanium (Ti6Al4V) and the other one of zirconia (ZrO2), but both of identical design, to compare their stability and micro-movements values under load. One [...] Read more.
The present experimental trial uses two types of dental implants, one made of titanium (Ti6Al4V) and the other one of zirconia (ZrO2), but both of identical design, to compare their stability and micro-movements values under load. One of each type of implant (n = 42) was placed into 21 cow ribs, recording the insertion torque and the resonance frequency using a specific transducer. Subsequently, a prosthetic crown made of PMMA was screwed onto each of the implants in the sample. They were then subjected to a static compression load on the vestibular cusp of the crown. The resulting micromovements were measured. The zirconia implants obtained a higher mean of both IT and RFA when compared with those of titanium, with statistically significant differences in both cases (p = 0.0483 and p = 0.0296). However, the micromovement values when load was applied were very similar for both types, with the differences between them (p = 0.3867) not found to be statistically significant. The results show that zirconia implants have higher implant stability values than titanium implants. However, the fact that there are no differences in micromobility values implies that caution should be exercised when applying clinical protocols for zirconia based on RFA, which only has evidence for titanium. Full article
(This article belongs to the Special Issue Ti Alloys for Dental Implant Applications-Series II)
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