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Bioactive Coatings on Elements Used in the Oral Cavity Environment
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Bioactive Coatings on Elements Used in the Oral Cavity Environment

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Bioactive Coatings and Biointerfaces".

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 9514

Special Issue Editors

Dr. Michal Sarul

E-Mail Website
Guest Editor
Department of Integrated Dentistry, Wroclaw Medical University, 50-367 Wroclaw, Poland
Interests: dentistry material characterization; mechanical testing of dentistry material; orthodontic archwire testing and modification; skeletal anchorage; orthodontic biomechanics
Dr. Elie Amm

E-Mail Website
Guest Editor
Department of Orthodontics & Dentofacial Orthopedics, Henry M. Goldman School of Dental Medicine, Boston University, USA
Interests: ADs; FEM; 3D technologies; agenesis; adolescent treatment

Special Issue Information

Dear Colleagues,

The cooperation between medical sciences, including dentistry, and materials engineering, is a space for solutions capable of changing everyday clinical work to be born. The modification of a dental element’s surface through the use of bioactive coatings is a promising method for improving their biocompatibility and coping with complications resulting from the influence of pathogens. With the belief that research in this field could change the face of modern dentistry in all its specialties being at the heart of this new Special Issue of Coatings, original research and review articles will be featured. Contributions will focus on the basics and applications of bioactive coatings on elements used in the oral environment, with an aim to emphasize the impact of this method on increasing biocompatibility and reducing complications.

Dr. Michal Sarul
Dr. Elie Amm
Guest Editors

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. Coatings is an international peer-reviewed open access monthly 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

  • bioactive coatings
  • surface modification
  • dentistry material characterization
  • surface microstructure
  • biocompatibility

Published Papers (6 papers)

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Editorial

Jump to: Research, Review, Other

3 pages, 192 KiB  
Editorial
Bioactive Coatings in Dentistry—What Is the Future?
by Michal Sarul and Elie Amm
Coatings 2022, 12(6), 842; https://doi.org/10.3390/coatings12060842 - 16 Jun 2022
Cited by 1 | Viewed by 1059
Abstract
Bioactive coatings are widely used and understood materials in engineering [...] Full article
(This article belongs to the Special Issue Bioactive Coatings on Elements Used in the Oral Cavity Environment)

Research

Jump to: Editorial, Review, Other

15 pages, 4653 KiB  
Article
The Effects of Using Cements of Different Thicknesses and Amalgam Restorations with Different Young’s Modulus Values on Stress on Dental Tissue: An Investigation Using Finite Element Analysis
by Hakan Yasin Gönder, Mehmet Gökberkkaan Demirel, Reza Mohammadi, Sinem Alkurt, Yasemin Derya Fidancioğlu and Ibrahim Burak Yüksel
Coatings 2023, 13(1), 6; https://doi.org/10.3390/coatings13010006 - 21 Dec 2022
Cited by 4 | Viewed by 1939
Abstract
Background: In this study, it was aimed to use a finite element stress analysis method to determine the amount of stress on enamel, dentin, restoration, resin cement and glass ionomer cement in amalgam class II disto-occlusal (DO) cavities by using two different cements [...] Read more.
Background: In this study, it was aimed to use a finite element stress analysis method to determine the amount of stress on enamel, dentin, restoration, resin cement and glass ionomer cement in amalgam class II disto-occlusal (DO) cavities by using two different cements with different thicknesses and amalgams with different Young’ s modulus values, respectively. Methods: A three-dimensional tooth model was obtained by scanning an extracted human maxillary first molar with dental tomography. A class II DO cavity including 95-degree cavity margin angles was created. Resin cement (RC) and glass ionomer (GI) cement with different Young’ s modulus measures (RC: 7.7 GPa, GI: 10.8 GPa) were used in amalgam. Different thickness combination groups were simulated: 50 μm, 100 μm and 150 μm. Additionally, amalgams with different Young’ s modulus values were used with the same thickness of different cements (Amalgam Young’s modulus: 35 GPa and 50 GPa). A load of 600 N was delivered to the chewing area. The stress distributions on enamel, dentin, restoration, resin cement and class ionomer cement were then analyzed using finite element analysis. Results: The most stress accumulation was observed in the enamel tissue across all groups where resin cement or glass ionomer cement were used in different thicknesses and where amalgam restorations were used with different Young’s modulus values. The least stress accumulation was observed in the cement itself. Conclusions: According to the results obtained, there was no difference between the two cement types in terms of stress accumulations in the models. However, when the same cements with different thicknesses were evaluated, it was concluded that the presence of both glass ionomer and resin cement with a thickness of 150 μm causes less stress on the restoration surface. Furthermore, when the cements were combined with different thicknesses and with different amalgam Young’ s modulus values, it was concluded that 50 GPa causes less stress on restoration surface. Full article
(This article belongs to the Special Issue Bioactive Coatings on Elements Used in the Oral Cavity Environment)
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14 pages, 4596 KiB  
Article
Strength of Fiber Posts with Experimental TiO2 and ZrO2 Particle Bonding—An SEM, EDX, Rheometric and Push-Out Strength Study
by Samar Al-Saleh, Fahim Vohra, Abdullah Alateeq, Abdulaziz H. Alshaya, Mohammed S. Alotaibi, Mai M. Alhamdan, Mohammed Alrabiah, Abdul Alsamrani and Tariq Abduljabbar
Coatings 2022, 12(8), 1176; https://doi.org/10.3390/coatings12081176 - 14 Aug 2022
Cited by 3 | Viewed by 1411
Abstract
The present study aimed to prepare experimental adhesives (EAs): 5 wt.% titanium dioxide (TiO2) adhesive; and 5 wt.% zirconium oxide (ZrO2) adhesive; and analyze their impact on bond integrity of fiber posts to root dentin, and viscosity. The EA [...] Read more.
The present study aimed to prepare experimental adhesives (EAs): 5 wt.% titanium dioxide (TiO2) adhesive; and 5 wt.% zirconium oxide (ZrO2) adhesive; and analyze their impact on bond integrity of fiber posts to root dentin, and viscosity. The EA was composed of: bisphenol A glycol dimethacrylate (BisGMA); triethylene glycol dimethacrylate (TEGDMA); 2-hydroxyethyl methacrylate (HEMA); and ethyl 4-dimethylamino benzoate and camphorquinone. TiO2 and ZrO2 particles were individually incorporated into the EA at 5 wt.%, to form two groups (5% TiO2 and 5% ZrO2). The adhesives, with particles, were characterized using scanning electron microscopy (SEM) and energy-dispersive X-ray (EDX) spectroscopy. The bonded interface was evaluated for adhesive–dentin penetration at the interface, using SEM. The study adhesive groups (EA, 5% TiO2 and 5% ZrO2) were analyzed for rheology and push-out bond strength of the fiber post to root dentin. Data were analyzed using analysis of variance and post hoc comparison. Both TiO2 and ZrO2 particles had irregular, non-uniform shapes. The EDX mapping showed the elemental presence of Ti (TiO2), Zr (ZrO2) and oxygen in formulated adhesives. The 5% TiO2 and 5% ZrO2 adhesives showed a decrease in viscosity, compared with the EA. Bond strength among the 5% TiO2 and 5% ZrO2 adhesives was statistically comparable (p > 0.05), but higher than the control group (10.57 ± 1.45 MPa) (p < 0.05). Reinforcement of the experimental dentin adhesive with 5% TiO2 or 5% ZrO2 increased the push-out bond strength of the fiber post to root dentin, in comparison with the EA. Particle-incorporated adhesives (5% TiO2 and 5% ZrO2) displayed decreased viscosity, compared with the EA (without particles). Full article
(This article belongs to the Special Issue Bioactive Coatings on Elements Used in the Oral Cavity Environment)
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11 pages, 1093 KiB  
Article
Influence of Artificial Aging on Mechanical Properties of Six Resin Composite Blocks for CAD/CAM Application
by Wojciech Grzebieluch, Piotr Kowalewski, Mirosław Sopel and Marcin Mikulewicz
Coatings 2022, 12(6), 837; https://doi.org/10.3390/coatings12060837 - 15 Jun 2022
Cited by 3 | Viewed by 1439
Abstract
(1) The interactions in the oral cavity between resin composite blocks for CAD/CAM application and saliva, biofilm, and chemicals and their influence on mechanical properties are still mostly unknown. The purpose of this study is to examine the impact of artificial aging on [...] Read more.
(1) The interactions in the oral cavity between resin composite blocks for CAD/CAM application and saliva, biofilm, and chemicals and their influence on mechanical properties are still mostly unknown. The purpose of this study is to examine the impact of artificial aging on the flexural strength, flexural modulus, hardness, Weibull modulus, and probability of failure of six resin composite CAD/CAM materials. (2) The aging was conducted by storing the specimens in water at 37 °C for 3 months, then a 3-point bending test was applied and measured. The microhardness was measured with a Vickers microhardness tester. Weibull analysis (according to ISO) was also performed. The shape and scale parameters were calculated. (3) After aging, the flexural strength values ranged from 95.51 (SD 9.07) MPa for the aged Shofu Block HC (HC) to 160.28 (SD 10.37) MPa for non-aged Gandio blocks (GR), and the flexural modulus values ranged from 7.75 (SD 0.19) GPa for HC to 16.77 (SD 0.60) GPa for GR. The microhardness (HV01) ranged from 72.71 (SD 1.43) for the Katana Avencia Block (AV) to 140.50 (SD 5.51) for GR. After aging, the Weibull characteristic strength ranged from 99.47 MPa for HC to 169.25 MPA for Brilliant Crios (CR). (4) Water storage led to a decrease in flexural strength and characteristic strength and slightly affected the flexural modulus. Gandio Blocks, Tetric CAD, and Brilliant Crios presented higher flexural strength than others. Full article
(This article belongs to the Special Issue Bioactive Coatings on Elements Used in the Oral Cavity Environment)
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Review

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11 pages, 788 KiB  
Review
Influence of Aesthetic Archwire Coatings on Bacterial Adhesion
by Krzysztof Słonik, Marcin Mikulewicz and Michał Sarul
Coatings 2022, 12(8), 1120; https://doi.org/10.3390/coatings12081120 - 05 Aug 2022
Cited by 2 | Viewed by 1303
Abstract
Bacterial biofilm plays a key role in the development of complications in orthodontic treatment in the form of caries or periodontal disease. The coating of orthodontic archwires can affect their mechanical properties and their bactericidal properties. In connection with the growing interest in [...] Read more.
Bacterial biofilm plays a key role in the development of complications in orthodontic treatment in the form of caries or periodontal disease. The coating of orthodontic archwires can affect their mechanical properties and their bactericidal properties. In connection with the growing interest in aesthetic archwires, it was examined whether aesthetic archwire coatings contribute to the reduction of bacterial adhesion. Based on the available literature, a review was conducted on the basis of the risk of bias (RoB) assessment and GRADE (Grading of Recommendations, Assessment, Development and Evaluations) analysis. The study took into account the results of research on different aesthetic archwire coatings. The analysis shows that there is a lack of homogeneity in the research results. The data on the different aesthetic coatings are inconclusive. On the basis of the data collected, it is impossible to determine whether aesthetic coatings reduce bacterial adhesion. Further studies, standardised in terms of research methods and statistical analysis, are needed to definitively establish whether aesthetic coatings influence bacterial adhesion. Full article
(This article belongs to the Special Issue Bioactive Coatings on Elements Used in the Oral Cavity Environment)
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Other

11 pages, 776 KiB  
Systematic Review
Cytotoxicity of Silver-Containing Coatings Used in Dentistry, a Systematic Review
by Marta Gawlik-Maj, Alicja Babczyńska, Hanna Gerber, Jacek Kotuła, Beata Sobieszczańska and Michał Sarul
Coatings 2022, 12(9), 1338; https://doi.org/10.3390/coatings12091338 - 14 Sep 2022
Viewed by 1390
Abstract
Silver is an element that has been widely used in medicine. As a result of its remarkable properties, this metal is now extensively used in virtually all areas of dentistry. Its anti-caries and antibacterial properties are used in (but not limited to) periodontal [...] Read more.
Silver is an element that has been widely used in medicine. As a result of its remarkable properties, this metal is now extensively used in virtually all areas of dentistry. Its anti-caries and antibacterial properties are used in (but not limited to) periodontal therapy or during endodontic treatment. The addition of silver ions to materials, such as cements and substances used for fillings, proved to increase their flexural strength and surface microhardness. This element has also found use in orthodontics, e.g., as a material covering components of fixed braces or in implantology as one of the components of coatings applied to dental implants. The following systematic review aims to find and analyze available studies that evaluate silver according to cytotoxicity. For this purpose, information was gathered from three databases: PubMed, Web of Science, and Scopus. This was followed by the Risk of Bias (RoB) analysis and the GRADE analysis of selected articles in which cytotoxicity was tested on human gingival fibroblasts (HGFs). A total of 387 articles were evaluated using required criteria, and, 13 papers were selected for final review. As all studies were evaluated to be of relatively good quality, it may be concluded that silver used in dentistry in low concentrations is free of significant cytotoxicity, and its use helps to improve the properties of the materials used. Full article
(This article belongs to the Special Issue Bioactive Coatings on Elements Used in the Oral Cavity Environment)
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