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D'Agostino A, Misiti G, Scalia AC, Pavarini M, Fiorati A, Cochis A, Rimondini L, Borrini VF, Manfredi M, Andena L, De Nardo L, Chiesa R. Gallium-doped zirconia coatings modulate microbiological outcomes in dental implant surfaces. J Biomed Mater Res A 2024; 112:2098-2109. [PMID: 38884299 DOI: 10.1002/jbm.a.37727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 01/22/2024] [Accepted: 04/14/2024] [Indexed: 06/18/2024]
Abstract
Despite the significant recent advances in manufacturing materials supporting advanced dental therapies, peri-implantitis still represents a severe complication in dental implantology. Herein, a sol-gel process is proposed to easily deposit antibacterial zirconia coatings onto bulk zirconia, material, which is becoming very popular for the manufacturing of abutments. The coatings' physicochemical properties were analyzed through x-ray diffraction and scanning electron microscopy-energy-dispersive x-ray spectroscopy investigations, while their stability and wettability were assessed by microscratch testing and static contact angle measurements. Uniform gallium-doped tetragonal zirconia coatings were obtained, featuring optimal mechanical stability and a hydrophilic behavior. The biological investigations pointed out that gallium-doped zirconia coatings: (i) displayed full cytocompatibility toward human gingival fibroblasts; (ii) exhibited significant antimicrobial activity against the Aggregatibacter actinomycetemcomitans pathogen; (iii) were able to preserve the commensal Streptococcus salivarius. Furthermore, the proteomic analyses revealed that the presence of Ga did not impair the normal oral microbiota. Still, interestingly, it decreased by 17% the presence of Fusobacterium nucleatum, a gram-negative, strictly anaerobic bacteria that is naturally present in the gastrointestinal tract. Therefore, this work can provide a valuable starting point for the development of coatings aimed at easily improving zirconia dental implants' performance.
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Affiliation(s)
- Agnese D'Agostino
- National Interuniversity Consortium of Materials Science and Technology (INSTM), local unit Politecnico di Milano, Milan, Lombardy, Italy
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Lombardy, Italy
| | - Giulia Misiti
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Lombardy, Italy
| | | | - Matteo Pavarini
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Lombardy, Italy
| | - Andrea Fiorati
- National Interuniversity Consortium of Materials Science and Technology (INSTM), local unit Politecnico di Milano, Milan, Lombardy, Italy
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Lombardy, Italy
| | - Andrea Cochis
- Department of Health Sciences, Università del Piemonte Orientale, Novara, Piedmont, Italy
| | - Lia Rimondini
- Department of Health Sciences, Università del Piemonte Orientale, Novara, Piedmont, Italy
| | | | - Marcello Manfredi
- Department of Translational Medicine, Università del Piemonte Orientale, Novara, Piedmont, Italy
| | - Luca Andena
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Lombardy, Italy
| | - Luigi De Nardo
- National Interuniversity Consortium of Materials Science and Technology (INSTM), local unit Politecnico di Milano, Milan, Lombardy, Italy
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Lombardy, Italy
| | - Roberto Chiesa
- National Interuniversity Consortium of Materials Science and Technology (INSTM), local unit Politecnico di Milano, Milan, Lombardy, Italy
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Lombardy, Italy
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2
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Cai FF, Blanquer A, Costa MB, Schweiger L, Sarac B, Greer AL, Schroers J, Teichert C, Nogués C, Spieckermann F, Eckert J. Hierarchical Surface Pattern on Ni-Free Ti-Based Bulk Metallic Glass to Control Cell Interactions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310364. [PMID: 38109153 DOI: 10.1002/smll.202310364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Indexed: 12/19/2023]
Abstract
Ni-free Ti-based bulk metallic glasses (BMGs) are exciting materials for biomedical applications because of their outstanding biocompatibility and advantageous mechanical properties. The glassy nature of BMGs allows them to be shaped and patterned via thermoplastic forming (TPF). This work demonstrates the versatility of the TPF technique to create micro- and nano-patterns and hierarchical structures on Ti40Zr10Cu34Pd14Sn2 BMG. Particularly, a hierarchical structure fabricated by a two-step TPF process integrates 400 nm hexagonal close-packed protrusions on 2.5 µm square protuberances while preserving the advantageous mechanical properties from the as-cast material state. The correlations between thermal history, structure, and mechanical properties are explored. Regarding biocompatibility, Ti40Zr10Cu34Pd14Sn2 BMGs with four surface topographies (flat, micro-patterned, nano-patterned, and hierarchical-structured surfaces) are investigated using Saos-2 cell lines. Alamar Blue assay and live/dead analysis show that all tested surfaces have good cell proliferation and viability. Patterned surfaces are observed to promote the formation of longer filopodia on the edge of the cytoskeleton, leading to star-shaped and dendritic cell morphologies compared with the flat surface. In addition to potential implant applications, TPF-patterned Ti-BMGs enable a high level of order and design flexibility on the surface topography, expanding the available toolbox for studying cell behavior on rigid and ordered surfaces.
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Affiliation(s)
- Fei-Fan Cai
- Department of Materials Science, Chair of Materials Physics, Montanuniversität Leoben, Jahnstraße 12, Leoben, A-8700, Austria
- Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstraße 12, Leoben, A-8700, Austria
| | - Andreu Blanquer
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Bellaterra, 08193, Spain
| | - Miguel B Costa
- Department of Materials Science & Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK
| | - Lukas Schweiger
- Department of Materials Science, Chair of Materials Physics, Montanuniversität Leoben, Jahnstraße 12, Leoben, A-8700, Austria
| | - Baran Sarac
- Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstraße 12, Leoben, A-8700, Austria
| | - A Lindsay Greer
- Department of Materials Science & Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK
| | - Jan Schroers
- Department of Mechanical Engineering and Materials Science, Yale University, New Haven, CT 06511, USA
| | - Christian Teichert
- Department Physics, Mechanics and Electrical Engineering, Chair of Physics, Montanuniversität Leoben, Franz-Josef-Strasse 18, Leoben, A-8700, Austria
| | - Carme Nogués
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Bellaterra, 08193, Spain
| | - Florian Spieckermann
- Department of Materials Science, Chair of Materials Physics, Montanuniversität Leoben, Jahnstraße 12, Leoben, A-8700, Austria
| | - Jürgen Eckert
- Department of Materials Science, Chair of Materials Physics, Montanuniversität Leoben, Jahnstraße 12, Leoben, A-8700, Austria
- Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstraße 12, Leoben, A-8700, Austria
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3
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Yüce E, Sharifikolouei E, Micusik M, Ferraris S, Rashidi R, Najmi Z, Gümrükçü S, Scalia A, Cochis A, Rimondini L, Spriano S, Omastova M, Sarac AS, Eckert J, Sarac B. Anticorrosion and Antimicrobial Tannic Acid-Functionalized Ti-Metallic Glass Ribbons for Dental Abutment. ACS APPLIED BIO MATERIALS 2024; 7:936-949. [PMID: 38299869 PMCID: PMC10880059 DOI: 10.1021/acsabm.3c00948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 02/02/2024]
Abstract
In this study, a recently reported Ti-based metallic glass (MG), without any toxic element, but with a significant amount of metalloid (Si-Ge-B, 18 atom %) and minor soft element (Sn, 2 atom %), was produced in ribbon form using conventional single-roller melt-spinning. The produced Ti60Zr20Si8Ge7B3Sn2 ribbons were investigated by differential scanning calorimetry and X-ray diffraction to confirm their amorphous structure, and their corrosion properties were further investigated by open-circuit potential and cyclic polarization tests. The ribbon's surface was functionalized by tannic acid, a natural plant-based polyphenol, to enhance its performance in terms of corrosion prevention and antimicrobial efficacy. These properties can potentially be exploited in the premucosal parts of dental implants (abutments). The Folin and Ciocalteu test was used for the quantification of tannic acid (TA) grafted on the ribbon surface and of its redox activity. Fluorescent microscopy and ζ-potential measurements were used to confirm the presence of TA on the surfaces of the ribbons. The cytocompatibility evaluation (indirect and direct) of TA-functionalized Ti60Zr20Si8Ge7B3Sn2 MG ribbons toward primary human gingival fibroblast demonstrated that no significant differences in cell viability were detected between the functionalized and as-produced (control) MG ribbons. Finally, the antibacterial investigation of TA-functionalized samples against Staphylococcus aureus demonstrated the specimens' antimicrobial properties, shown by scanning electron microscopy images after 24 h, presenting a few single colonies remaining on their surfaces. The thickness of bacterial aggregations (biofilm-like) that were formed on the surface of the as-produced samples reduced from 3.5 to 1.5 μm.
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Affiliation(s)
- Eray Yüce
- Erich
Schmid Institute of Materials Science, Austrian
Academy of Sciences, 8700 Leoben, Austria
- Department
of Materials Science, Chair of Materials Physics, Montanuniversität Leoben, 8700 Leoben, Austria
| | - Elham Sharifikolouei
- Department
of Applied Science and Technology (DISAT), Politecnico di Torino (POLITO), 10129 Turin, Italy
| | - Matej Micusik
- Polymer
Institute, Slovak Academy of Sciences, Dubravska cesta 9, 845 41 Bratislava, Slovakia
| | - Sara Ferraris
- Department
of Applied Science and Technology (DISAT), Politecnico di Torino (POLITO), 10129 Turin, Italy
- POLITO
BIOMed LAB, Politecnico di Torino, 10129 Torino, Italy
| | - Reza Rashidi
- Department
of Applied Science and Technology (DISAT), Politecnico di Torino (POLITO), 10129 Turin, Italy
| | - Ziba Najmi
- Department
of Health Sciences, Center for Translational Research on Autoimmune
and Allergic Diseases-CAAD, Università
del Piemonte Orientale UPO, 28100 Novara, Italy
| | - Selin Gümrükçü
- Department
of Chemistry, Istanbul Technical University, 34469 Istanbul, Türkiye
| | - Alessandro Scalia
- Department
of Health Sciences, Center for Translational Research on Autoimmune
and Allergic Diseases-CAAD, Università
del Piemonte Orientale UPO, 28100 Novara, Italy
| | - Andrea Cochis
- Department
of Health Sciences, Center for Translational Research on Autoimmune
and Allergic Diseases-CAAD, Università
del Piemonte Orientale UPO, 28100 Novara, Italy
| | - Lia Rimondini
- Department
of Health Sciences, Center for Translational Research on Autoimmune
and Allergic Diseases-CAAD, Università
del Piemonte Orientale UPO, 28100 Novara, Italy
| | - Silvia Spriano
- Department
of Applied Science and Technology (DISAT), Politecnico di Torino (POLITO), 10129 Turin, Italy
- POLITO
BIOMed LAB, Politecnico di Torino, 10129 Torino, Italy
| | - Maria Omastova
- Polymer
Institute, Slovak Academy of Sciences, Dubravska cesta 9, 845 41 Bratislava, Slovakia
| | | | - Jürgen Eckert
- Erich
Schmid Institute of Materials Science, Austrian
Academy of Sciences, 8700 Leoben, Austria
- Department
of Materials Science, Chair of Materials Physics, Montanuniversität Leoben, 8700 Leoben, Austria
| | - Baran Sarac
- Erich
Schmid Institute of Materials Science, Austrian
Academy of Sciences, 8700 Leoben, Austria
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Zhan J, Li L, Yao L, Cao Z, Lou W, Zhang J, Liu J, Yao L. Evaluation of sustained drug release performance and osteoinduction of magnetron-sputtered tantalum-coated titanium dioxide nanotubes. RSC Adv 2024; 14:3698-3711. [PMID: 38268551 PMCID: PMC10805130 DOI: 10.1039/d3ra08769g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 01/05/2024] [Indexed: 01/26/2024] Open
Abstract
Modifying the drug-release capacity of titanium implants is essential for maintaining their long-term functioning. Titanium dioxide nanotube (TNT) arrays, owing to their drug release capacity, are commonly used in the biomaterial sphere. Their unique half open structure and arrangement in rows increase the drug release capacity. However, their rapid drug release ability not only reduces drug efficiency but also produces excessive local and systemic deposition of antibiotics. In this study, we designed a tantalum-coated TNT system for drug-release optimization. A decreased nanotube size caused by the tantalum nanocoating was observed through SEM and analyzed (TNT: 110 nm, TNT-Ta1: 80 nm, TNT-Ta3: 40 nm, TNT-Ta5: 20 nm, TNT-Ta7: <5 nm). XPS analysis revealed the distribution of the chemical components, especially that of the tantalum element. In vitro experiments showed that the tantalum nanocoating enhanced cell proliferation; in particular, TNT-Ta5 possessed the best cell viability (about 1.18 of TNT groups at 7d). It also showed that the tantalum nanocoating had a positive effect on osteogenesis (especially TNT-Ta5 and TNT-Ta7). Additionally, hydrophilic/hydrophobic drug (vancomycin/raloxifene) release results indicated that the TNT-Ta5 group possessed the most desirable sustained release capacity. Moreover, in this drug release system, the hydrophobic drug showed more sustained release capacity than the hydrophilic drug (vancomycin: sustained release for more than 48 h, raloxifene: sustained release for more than 168 h). More importantly, TNT-Ta5 is proved to be an appropriate drug release system, which possesses cytocompatibility, osteogenic capacity, and sustained drug release capacity.
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Affiliation(s)
- Jing Zhan
- Department of Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University 3# Qingchun East Road, Shangcheng District Hangzhou 310058 Zhejiang China
| | - Li Li
- Department of Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University 3# Qingchun East Road, Shangcheng District Hangzhou 310058 Zhejiang China
| | - Lili Yao
- School and Hospital of Stomatology, Wenzhou Medical University 268# Xueyuan West Road, Lucheng District Wenzhou Zhejiang China
| | - Zheng Cao
- Department of Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University 3# Qingchun East Road, Shangcheng District Hangzhou 310058 Zhejiang China
| | - Weiwei Lou
- Department of Stomatology, The First Affiliated Hospital, College of Medicine, Zhejiang University Hangzhou 310003 China
| | - Jianying Zhang
- International Healthcare Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University Hangzhou 310058 China
| | - Jinsong Liu
- School and Hospital of Stomatology, Wenzhou Medical University 268# Xueyuan West Road, Lucheng District Wenzhou Zhejiang China
| | - Litao Yao
- Department of Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University 3# Qingchun East Road, Shangcheng District Hangzhou 310058 Zhejiang China
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Biały M, Hasiak M, Łaszcz A. Review on Biocompatibility and Prospect Biomedical Applications of Novel Functional Metallic Glasses. J Funct Biomater 2022; 13:jfb13040245. [PMID: 36412886 PMCID: PMC9680474 DOI: 10.3390/jfb13040245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/10/2022] [Accepted: 11/13/2022] [Indexed: 11/17/2022] Open
Abstract
The continuous development of novel materials for biomedical applications is resulting in an increasingly better prognosis for patients. The application of more advanced materials relates to fewer complications and a desirable higher percentage of successful treatments. New, innovative materials being considered for biomedical applications are metallic alloys with an amorphous internal structure called metallic glasses. They are currently in a dynamic phase of development both in terms of formulating new chemical compositions and testing their properties in terms of intended biocompatibility. This review article intends to synthesize the latest research results in the field of biocompatible metallic glasses to create a more coherent picture of these materials. It summarizes and discusses the most recent findings in the areas of mechanical properties, corrosion resistance, in vitro cellular studies, antibacterial properties, and in vivo animal studies. Results are collected mainly for the most popular metallic glasses manufactured as thin films, coatings, and in bulk form. Considered materials include alloys based on zirconium and titanium, as well as new promising ones based on magnesium, tantalum, and palladium. From the properties of the examined metallic glasses, possible areas of application and further research directions to fill existing gaps are proposed.
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