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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 Appl Bio Mater 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Zuardi LR, Silva CLA, Rego EM, Carneiro GV, Spriano S, Nanci A, de Oliveira PT. Influence of a Physiologically Formed Blood Clot on Pre-Osteoblastic Cells Grown on a BMP-7-Coated Nanoporous Titanium Surface. Biomimetics (Basel) 2023; 8:biomimetics8010123. [PMID: 36975353 PMCID: PMC10046195 DOI: 10.3390/biomimetics8010123] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
Titanium (Ti) nanotopography modulates the osteogenic response to exogenous bone morphogenetic protein 7 (BMP-7) in vitro, supporting enhanced alkaline phosphatase mRNA expression and activity, as well as higher osteopontin (OPN) mRNA and protein levels. As the biological effects of OPN protein are modulated by its proteolytic cleavage by serum proteases, this in vitro study evaluated the effects on osteogenic cells in the presence of a physiological blood clot previously formed on a BMP-7-coated nanostructured Ti surface obtained by chemical etching (Nano-Ti). Pre-osteoblastic MC3T3-E1 cells were cultured during 5 days on recombinant mouse (rm) BMP-7-coated Nano-Ti after it was implanted in adult female C57BI/6 mouse dorsal dermal tissue for 18 h. Nano-Ti without blood clot or with blood clot at time 0 were used as the controls. The presence of blood clots tended to inhibit the expression of key osteoblast markers, except for Opn, and rmBMP-7 functionalization resulted in a tendency towards relatively greater osteoblastic differentiation, which was corroborated by runt-related transcription factor 2 (RUNX2) amounts. Undetectable levels of OPN and phosphorylated suppressor of mothers against decapentaplegic (SMAD) 1/5/9 were noted in these groups, and the cleaved form of OPN was only detected in the blood clot immediately prior to cell plating. In conclusion, the strategy to mimic in vitro the initial interfacial in vivo events by forming a blood clot on a Ti nanoporous surface resulted in the inhibition of pre-osteoblastic differentiation, which was minimally reverted with an rmBMP-7 coating.
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Affiliation(s)
- Leonardo Raphael Zuardi
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Cleide Lúcia Araújo Silva
- Haematology Division, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14051-060, SP, Brazil
| | - Eduardo Magalhães Rego
- Haematology Division, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14051-060, SP, Brazil
| | - Giovana Vacilotto Carneiro
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Silvia Spriano
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Torino, Italy
| | - Antonio Nanci
- Faculté de médecine dentaire, Université de Montréal, Montreal, QC H3T 1J4, Canada
| | - Paulo Tambasco de Oliveira
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
- Correspondence: ; Tel.: +55-16-99623-3663
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Iviglia G, Morra M. Engineering Interfacial Environment of Epigallocatechin Gallate Coated Titanium for Next-Generation Bioactive Dental Implant Components. Int J Mol Sci 2023; 24:ijms24032661. [PMID: 36768982 PMCID: PMC9917301 DOI: 10.3390/ijms24032661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/20/2023] [Accepted: 01/27/2023] [Indexed: 02/03/2023] Open
Abstract
In view of endowing the surface of abutments, a component of titanium dental implant systems, with antioxidant and antimicrobial properties, a surface layer coated with epigallocatechin gallate (EGCg), a polyphenol belonging to the class of flavonoids, was built on titanium samples. To modulate interfacial properties, EGCg was linked either directly to the surface, or after populating the surface with terminally linked polyethyleneglycol (PEG) chains, Mw ~1600 Da. The underlying assumption is that fouling-resistant, highly hydrated PEG chains could reduce non-specific bioadhesion and magnify intrinsic EGCg properties. Treated surfaces were investigated by a panel of surface/interfacial sensitive techniques, to provide chemico-physical characterization of the surface layer and its interfacial environment. Results show: (i) successful EGCg coupling for both approaches; (ii) that both approaches endow the Ti surface with the same antioxidant properties; (iii) that PEG-EGCg coated surfaces are more hydrophilic and show a significantly higher (>50%) interaction force with water. Obtained results build up a rationale basis for evaluation of the merits of finely tuning interfacial properties of polyphenols coated surfaces in biological tests.
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