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Bio-Tribocorrosion of Titanium Dental Implants and Its Toxicological Implications: A Scoping Review. ScientificWorldJournal 2022; 2022:4498613. [PMID: 36312451 PMCID: PMC9616655 DOI: 10.1155/2022/4498613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 09/30/2022] [Indexed: 11/18/2022] Open
Abstract
Bio-tribocorrosion is a phenomenon that combines the essentials of tribology (friction, wear, and lubrication) and corrosion with microbiological processes. Lately, it has gained attention in implant dentistry because dental implants are exposed to wear, friction, and biofilm formation in the corrosive oral environment. They may degrade upon exposure to various microbial, biochemical, and electrochemical factors in the oral cavity. The mechanical movement of the implant components produces friction and wear that facilitates the release of metal ions, promoting adverse oro-systemic reactions. This review describes the bio-tribocorrosion of the titanium (Ti) dental implants in the oral cavity and its toxicological implications. The original research related to the bio-tribo or tribocorrosion of the dental implants was searched in electronic databases like Medline (Pubmed), Embase, Scopus, and Web of Science. About 34 studies included in the review showed that factors like the type of Ti, oral biofilm, acidic pH, fluorides, and micromovements during mastication promote bio-tribocorrosion of the Ti dental implants. Among the various grades of Ti, grade V, i.e., Ti6Al4V alloy, is most susceptible to tribocorrosion. Oral pathogens like Streptococcus mutans and Porphyromonas gingivalis produce acids and lipopolysaccharides (LPS) that cause pitting corrosion and degrade the TiO2. The low pH and high fluoride concentration in saliva hinder passive film formation and promote metal corrosion. The released metal ions promote inflammatory reactions and bone destruction in the surrounding tissues resulting in peri-implantitis, allergies, and hyper-sensitivity reactions. However, further validation of the role of bio-tribocorrosion on the durability of the Ti dental implants and Ti toxicity is warranted through clinical trials.
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(Bio)Tribocorrosion in Dental Implants: Principles and Techniques of Investigation. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12157421] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Tribocorrosion is a current and very discussed theme in tribology and medicine for its impact on industrial applications. Currently, the phenomena are mainly oriented to the biological environment and, in particular, to medical devices such as hip prostheses, dental implants, knee joints, etc. The term tribocorrosion underlines the simultaneous action of wear and corrosion in a tribocouple. It has a non-negligible effect on the total loss of contact materials and the potential failure of the bio-couplings. This overview aims to focus firstly on the basic principles of prosthesis tribocorrosion and subsequently to describe the techniques and the analytical models developed to quantify this phenomenon, reporting the most relevant results achieved in the last 20 years, proposed in chronological order, in order to discuss and to depict the future research developments and tendencies. Despite considerable research efforts, from this investigation come many issues worthy of further investigation, such as how to prevent or minimize tribocorrosion in biological tribopairs, the development of a consolidated protocol for tribological experiments in corrosive environments joined with new biomaterials and composites, the possibility to achieve more and more accurate theoretical models, and how to be able to ensure the success of new implant designs by supporting research and development for the management of implant complications. The above issues certainly constitute a scientific challenge for the next years in the fields of tribology and medicine.
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López-Ortega A, Sáenz de Viteri V, Alves SA, Mendoza G, Fuentes E, Mitran V, Cimpean A, Dan I, Vela A, Bayón R. Multifunctional TiO 2 coatings developed by plasma electrolytic oxidation technique on a Ti20Nb20Zr4Ta alloy for dental applications. BIOMATERIALS ADVANCES 2022; 138:212875. [PMID: 35913254 DOI: 10.1016/j.bioadv.2022.212875] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/13/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
A newly developed β-Ti alloy based on the Ti-Nb-Zr-Ta system (Ti20Nb20Zr4Ta) has been subjected to Plasma Electrolytic Oxidation (PEO) treatment to obtain a multifunctional ceramic-like (TiO2) coating with superior tribocorrosion (wear and corrosion) resistance and improved biocompatibility. For this aim, elements such as Ca, P, and Ag NPs have been incorporated into the oxide film to obtain bioactive and biocide properties. The chemical composition and morphology of the TiO2-PEO coating was characterized, and its multifunctionality was addressed by several means, including antibacterial activity assessment, formation of bone-like apatite, metallic ion release evaluation, in vitro cellular response analysis, and corrosion and tribocorrosion tests in artificial saliva. The developed coatings enhanced the corrosion and tribocorrosion resistance of the bare alloy and exhibited antibacterial ability with low cytotoxicity and negligible ion release. Furthermore, they were able to sustain MC3T3-E1 preosteoblast viability/proliferation and osteogenic differentiation. Altogether, the results obtained demonstrate the potential of the TiO2 coating incorporating Ca, P, and Ag NPs to be used for dental applications.
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Affiliation(s)
- A López-Ortega
- Tekniker, Basque Research and Technology Aliance (BRTA), Eibar, Spain.
| | | | - S A Alves
- Tekniker, Basque Research and Technology Aliance (BRTA), Eibar, Spain
| | - G Mendoza
- Tekniker, Basque Research and Technology Aliance (BRTA), Eibar, Spain
| | - E Fuentes
- Tekniker, Basque Research and Technology Aliance (BRTA), Eibar, Spain
| | - V Mitran
- University of Bucharest, Department of Biochemistry and Molecular Biology, Bucharest, Romania
| | - A Cimpean
- University of Bucharest, Department of Biochemistry and Molecular Biology, Bucharest, Romania
| | - I Dan
- R&D Consulting and Services SRL, Bucharest, Romania
| | - A Vela
- Mugape S.L., Mallabia, Spain
| | - R Bayón
- Tekniker, Basque Research and Technology Aliance (BRTA), Eibar, Spain
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Shuto T, Mine Y, Makihira S, Nikawa H, Wachi T, Kakimoto K. Alterations to Titanium Surface Depending on the Fluorides and Abrasives in Toothpaste. MATERIALS (BASEL, SWITZERLAND) 2021; 15:51. [PMID: 35009198 PMCID: PMC8746240 DOI: 10.3390/ma15010051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/16/2021] [Accepted: 12/18/2021] [Indexed: 06/14/2023]
Abstract
Fluoride and abrasives in toothpastes may cause corrosion and deterioration of the titanium used for implants and other prostheses. The purpose of this study was to investigate how the presence or absence and types of fluoride and abrasives affected the titanium surface texture. Brushing with toothpastes was performed on pure-titanium discs using an abrasive testing machine. Unprocessed titanium discs without brushing were used as control samples. Surface roughness, color, and gloss of titanium were measured and the differences compared with the control were analyzed. Additionally, titanium surfaces and abrasives in toothpastes were observed using a scanning electron microscope to compare the surface texture of each sample. Some toothpastes (abrasive+) significantly increased the difference in surface roughness, color, and gloss, compared with ultrapure water. Toothpaste (fluoride+/abrasive+) that had many polygonal abrasive particles led to the largest color differences and exhibited notable scratches and a larger number of contaminant- or corrosion-like black spots. In contrast, brushing with toothpaste without fluoride or abrasives (fluoride-/abrasive-) caused little change to the titanium surface. These results suggest that both fluoride and abrasives in toothpaste used for brushing may be factors that affect surface texture and corrosion resistance of titanium.
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Affiliation(s)
- Takahiro Shuto
- Department of Oral Health Engineering, Faculty of Health Sciences, Osaka Dental University, 1-4-4 Makinohonmachi, Osaka 573-1144, Japan;
| | - Yuichi Mine
- Department of Medical System Engineering, Division of Oral Health Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi Minami-ku, Hiroshima 734-8553, Japan;
| | - Seicho Makihira
- Department of Oral Biology & Engineering, Division of Oral Health Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi Minami-ku, Hiroshima 734-8553, Japan; (S.M.); (H.N.)
| | - Hiroki Nikawa
- Department of Oral Biology & Engineering, Division of Oral Health Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi Minami-ku, Hiroshima 734-8553, Japan; (S.M.); (H.N.)
| | - Takanori Wachi
- Section of Fixed Prosthodontics, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Fukuoka 812-8582, Japan;
| | - Kazutoshi Kakimoto
- Department of Oral Health Engineering, Faculty of Health Sciences, Osaka Dental University, 1-4-4 Makinohonmachi, Osaka 573-1144, Japan;
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A Critical Appraisal of the Use and Properties of Nickel-Titanium Dental Alloys. MATERIALS 2021; 14:ma14247859. [PMID: 34947453 PMCID: PMC8703947 DOI: 10.3390/ma14247859] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/02/2021] [Accepted: 12/15/2021] [Indexed: 11/17/2022]
Abstract
Nickel-titanium (NiTi) archwires are used in dentistry for orthodontic treatment. NiTi alloys have favourable mechanical characteristics, such as superelasticity and shape memory, and are also known as a corrosion-resistant alloy. In specific cases, an archwire could be attacked by certain types of corrosion or wear degradation, which can cause the leaching of metal ions and a hypersensitive response due to increased concentrations of Ni in the human body. A systematic search of the literature retrieved 102 relevant studies. The review paper focuses on three main fields: (i) electrochemical properties of NiTi wires and the effect of different environments on the properties of NiTi wires (fluoride and low pH); (ii) tribocorrosion, a combination of chemical and mechanical wear of the material, and (iii) the biocompatibility of NiTi alloy and its subsequent effect on the human body. The review showed that corrosion properties are affected by microstructure, pH of saliva and the presence of fluorides. A high variation in published results should be, therefore, interpreted with care. The release of nickel ions was assessed using the same unit, showing that the vast majority of metal ions were released in the first few days of exposure, then a stable, steady state was reached. In tribocorrosion studies, the increased concentrations of Ni ions were reported.
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Kheder W, Al Kawas S, Khalaf K, Samsudin A. Impact of tribocorrosion and titanium particles release on dental implant complications - A narrative review. JAPANESE DENTAL SCIENCE REVIEW 2021; 57:182-189. [PMID: 34630776 PMCID: PMC8488597 DOI: 10.1016/j.jdsr.2021.09.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 08/31/2021] [Accepted: 09/01/2021] [Indexed: 01/03/2023] Open
Abstract
Titanium particles as a product of degradation have been detected in periimplant oral tissues and it has been assumed that implants were the source of these particles. Periimplantitis sites had higher concentrations of particles in comparison to healthy implant sites. Several factors have been identified in the degradation of dental implant surface, such as mechanical wear, contact with chemical agents, and the effects of biofilm adhesion. Titanium particles silently prompt the immune-system activation and generate a pro-inflammatory response in macrophages, T lymphocytes and monocytes. During the activation, inflammatory cytokines are released including, granulocyte-macrophage colony-stimulating factor (GM-CSF), prostaglandin, and TNF-α, IL-1β, IL-6. The nanoparticles depict unique features such as high level of biological reactivity and potentially harmful compared to microparticles since they have a relatively greater surface area to volume ratio. Allergic response to titanium as a cause of implant failure has not been well documented. Evidence demonstrating biological complication due to titanium particles release includes peri-implant tissue inflammation that lead terminally to implant loss. There is a biological probability for a relation between the presence of titanium particles and ions, biological complication, and corrosion, but there is no justifiable evidence for unidirectional series of causative actions.
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Affiliation(s)
- Waad Kheder
- College of Dental Medicine, University of Sharjah, P.O. Box 27272, United Arab Emirates
| | - Sausan Al Kawas
- College of Dental Medicine, University of Sharjah, P.O. Box 27272, United Arab Emirates
| | - Khaled Khalaf
- College of Dental Medicine, University of Sharjah, P.O. Box 27272, United Arab Emirates
| | - A.R. Samsudin
- College of Dental Medicine, University of Sharjah, P.O. Box 27272, United Arab Emirates
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Mechanical Properties and Residual Stress Measurements of Grade IV Titanium and Ti-6Al-4V and Ti-13Nb-13Zr Titanium Alloys after Laser Treatment. MATERIALS 2021; 14:ma14216316. [PMID: 34771847 PMCID: PMC8585406 DOI: 10.3390/ma14216316] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/13/2021] [Accepted: 10/19/2021] [Indexed: 12/27/2022]
Abstract
Nowadays, surface engineering focuses on research into materials for medical applications. Titanium and its alloys are prominent, especially Ti-6Al-4V and Ti-13Nb-13Zr. Samples made of pure grade IV titanium and the titanium alloys Ti-6Al-4V and Ti-13Nb-13Zr were modified via laser treatment with laser beam frequency f = 25 Hz and laser beam power P = 1000 W during a laser pulse with duration t = 1 ms. Subsequently, to analyze the properties of the obtained surface layers, the following tests were performed: scanning electron microscopy, chemical and phase composition analysis, wetting angle tests and roughness tests. The assessment of the impact of the laser modification on the internal stresses of the investigated materials was carried out by comparing the values of the stresses of the laser-modified samples to those of the reference samples. The obtained results showed increased values of tensile stresses after laser modification: the highest value was found for the Ti-6Al-4V alloy at 6.7434 GPa and the lowest for pure grade IV titanium at 3.742 GPa. After laser and heat treatment, a reduction in the stress was observed, together with a significant increase in the hardness of the tested materials, with the highest value for Ti-6Al-4V alloy at 27.723 GPa. This can provide better abrasion resistance and lower long-term toxicity, both of which are desirable when using Ti-6Al-4V and Ti-13Nb-13Zr alloys for implant materials.
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Felipucci DNB, Curylofo PA, Crizóstomo LC, Vaz LG, Alves SDV, Macedo AP, Pagnano VO. Effect of Cleanser Solutions on the Retention Force of O'ring Attachment: An in Vitro Study. Braz Dent J 2020; 31:657-663. [PMID: 33237238 DOI: 10.1590/0103-6440202003268] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 07/01/2020] [Indexed: 11/22/2022] Open
Abstract
The aim of this study was to evaluate the effect of cleaning solutions on the retention force of o-ring-type overdenture attachments. The effect of four solutions on nitrile rings were evaluated: Cepacol (C), Cepacol with fluoride (CF), Listerine (L) and 0.05% sodium hypochlorite (SH); deionized water (DW) was used as a control. Matrices containing two implants and abutments and acrylic specimens with the metal capsules were obtained and divided into the groups. A simulation of 90 overnight immersions (8 h) was performed, and the tensile strength value was obtained at the beginning (T0) and in every 30 days (T1, T2 and T3) (n=6). In order to analyze o-ring surface damage after the immersions, a scanning electron microscopy (SEM) was used (n=1). For statistical analysis of the results, analysis of variance (ANOVA) and multiple comparisons with Bonferroni adjustment (test power=1.000; a=0.05) were used. There was a significant difference for the factors time (p<0.001), solution (p<0.001) and for the interaction time × solution (p<0.001). Considering the times of each solution, only for DW there was no significant loss of retention over time. Comparing the solutions in each moment, there was no difference among the solutions in T0. From T1, CF and SH provided less retention than DW (p<0.005). Through SEM it was possible to observe changes in the surface of the CF and SH nitrile o-rings. CF and SH should be avoided due to deleterious action in o-rings.
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Affiliation(s)
| | | | | | - Luis Geraldo Vaz
- Araraquara School of Dentistry, UNESP - Universidade Estadual Paulista, Araraquara, SP, Brazil
| | - Suleima do Vale Alves
- Ribeirão Preto School of Dentistry, USP - Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Ana Paula Macedo
- Ribeirão Preto School of Dentistry, USP - Universidade de São Paulo, Ribeirão Preto, SP, Brazil
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Tang KM, Chen W, Tang ZH, Yu XY, Zhu WQ, Zhang SM, Qiu J. Role of the Hippo-YAP/NF-κB signaling pathway crosstalk in regulating biological behaviors of macrophages under titanium ion exposure. J Appl Toxicol 2020; 41:561-571. [PMID: 33058278 DOI: 10.1002/jat.4065] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/19/2020] [Accepted: 08/21/2020] [Indexed: 12/26/2022]
Abstract
The presence of metal ions, such as titanium (Ti) ions, is toxic to adjacent tissues of implants. Indeed, Ti ions may induce an inflammatory response through the NF-κB pathway, thus causing damage to soft and hard tissues. The involvement of Yes-associated protein (YAP), a key factor of the Hippo pathway, in an immuno-inflammatory response has been confirmed, whereas its role in Ti ion-mediated inflammation has not been elucidated. Therefore, this study aimed to investigate the role of signal crosstalk between the Hippo/YAP and NF-κB signaling pathways in the pro-inflammatory effect of Ti ions on macrophages. In our work, RAW264.7 cells were cocultured with Ti ions. The migration capacity of macrophages under Ti ion exposure was measured by transwell assay. Western blot analysis was used to detect the expressions of related proteins. Polymerase chain reaction was used to evaluate the expression of pro-inflammatory cytokines. The nucleus translocation of YAP and P65 was visualized and analyzed via immunofluorescence staining. The results showed that the migration of macrophages was promoted under Ti ion exposure. Ten parts per million Ti ions induced nuclear expression of YAP and activated the NF-κB pathway, which finally upregulated the expression of pro-inflammatory cytokines in macrophages. Moreover, the inhibition of the NF-κB pathway rescued the reduction of YAP expression under Ti ion exposure. Most importantly, the overexpression of YAP exacerbated the inflammatory response mediated by Ti ions through the NF-κB pathway. In summary, this study explored the mechanism of Hippo-YAP/NF-κB pathway crosstalk involved in the regulation of macrophage behaviors under Ti ion exposure.
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Affiliation(s)
- Kai-Ming Tang
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, China
| | - Wei Chen
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, China
| | - Ze-Hua Tang
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, China
| | - Xiao-Yu Yu
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, China
| | - Wen-Qing Zhu
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, China
| | - Song-Mei Zhang
- Department of General Dentistry, Eastman Institute for Oral Health, University of Rochester, Rochester, New York, USA
| | - Jing Qiu
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, China
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Chen WQ, Zhang SM, Qiu J. Surface analysis and corrosion behavior of pure titanium under fluoride exposure. J Prosthet Dent 2020; 124:239.e1-239.e8. [PMID: 32402439 DOI: 10.1016/j.prosdent.2020.02.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 02/18/2020] [Accepted: 02/18/2020] [Indexed: 12/13/2022]
Abstract
STATEMENT OF PROBLEM The corrosive effects of oral fluoride products on titanium have been reported, and chronic fluorosis, which causes hyperfluoemia, is one of the world's health problems. Nevertheless, the relationship between high serum fluoride and corrosion on the titanium surface, which might have adverse effects on titanium implant osseointegration, has not been elucidated. PURPOSE The purpose of this in vitro study was to investigate the corrosion behavior of pure titanium exposed to high serum fluoride with different pH values based on surface analysis. MATERIAL AND METHODS Pure titanium specimens, exposed to different electrolytes with 0.04 and 0.4 ppm NaF at pH 7.3 and 5.0 values, were examined for surface microstructure by using scanning electron microscopy (SEM) and for surface element composition with X-ray photoelectron spectroscopy (XPS). The corrosion behavior and metal ion release of specimens immersed in the Hanks' balanced salt solution (HBSS) containing 0.04 and 0.4 ppm serum fluoride concentrations (NaF) at 7.3 and 5.0 pH values were measured by electrochemical impedance spectroscopy (EIS) and inductively coupled plasma atomic emission spectrometry (ICP-AES). RESULTS Pitting holes were observed on pure titanium surfaces exposed to high serum fluoride. The surfaces became rougher with the increase of serum fluoride concentration, especially under acidic conditions. XPS analysis revealed a reduction of dominant titanium dioxide (TiO2) on the pure titanium surface under serum fluoride exposure, corresponding to an increase in the relative level of F. EIS data showed an active corrosion behavior of pure titanium exposed to high serum fluoride and gradually decreased corrosion resistance with increasing concentration of serum fluoride, which was more severe under acidic conditions. The release of titanium ions was also induced by high serum fluoride and acidic conditions. CONCLUSIONS High serum fluoride had a negative influence on the corrosion behavior of pure titanium. The titanium oxide film barrier could be broken down in the fluoride ions condition, and the corrosion resistance of pure titanium decreased with the increasing concentration of serum fluoride. The increased corrosion susceptibility of pure titanium accelerated the release of titanium ions after exposure to high serum fluoride; this was more pronounced in an acidic environment.
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Affiliation(s)
- Wan-Qing Chen
- Graduate student, Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
| | - Song-Mei Zhang
- Resident, Department of General Dentistry, Eastman Institute for Oral Health, University of Rochester, Rochester, NY
| | - Jing Qiu
- Professor, Department of Oral Implantology, Affiliated Hospital of Stomatology, Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, PR China.
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Auñón Á, Esteban J, Doadrio AL, Boiza-Sánchez M, Mediero A, Eguibar-Blázquez D, Cordero-Ampuero J, Conde A, Arenas MÁ, de-Damborenea JJ, Aguilera-Correa JJ. Staphylococcus aureus Prosthetic Joint Infection Is Prevented by a Fluorine- and Phosphorus-Doped Nanostructured Ti-6Al-4V Alloy Loaded With Gentamicin and Vancomycin. J Orthop Res 2020; 38:588-597. [PMID: 31608498 DOI: 10.1002/jor.24496] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 10/04/2019] [Indexed: 02/04/2023]
Abstract
Prosthetic joint infection (PJI) is one of the most devastating complications in orthopedic surgery. One approach used to prevent PJI is local antibiotic therapy. This study evaluates the antibiotic release, in vitro cytocompatibility and in vivo effectiveness in preventing PJI caused by Staphylococcus aureus (S. aureus) of the fluorine- and phosphorus-doped, bottle-shaped, nanostructured (bNT) Ti-6Al-4V alloy loaded with a mixture of gentamicin and vancomycin (GV). We evaluated bNT Ti-6Al-4V loading with a mixture of GV, measuring the release of these antibiotics using high-performance liquid chromatography. Further, we describe bNT Ti-6Al-4V GV cytocompatibility and its efficacy against S. aureus using an in vivo rabbit model. GV was released from bNT Ti-6Al-4V following a Boltzmann non-linear model and maximum release values were obtained at 240 min for both antibiotics. The cell proliferation of MCT3T3-E1 osteoblastic cells significantly increased at 48 (28%) and 168 h (68%), as did the matrix mineralization (52%) of these cells and the gene expression of three of the most important markers related to bone differentiation (more than threefold for VEGF and BGLAP, and 65% for RunX) on bNT Ti-6Al-4V GV compared with control. In vivo study results show that bNT Ti-6Al-4V GV can prevent S. aureus PJI according to histopathological and microbiological results. According to our results, bNT Ti-6Al-4V loaded with a mixture of GV using the soaking method is a promising biomaterial with favorable cytocompatibility and osteointegration, demonstrating local bactericidal properties against S. aureus. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:588-597, 2020.
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Affiliation(s)
- Álvaro Auñón
- Department of Orthopedic Surgery, Fundación Jiménez Díaz University Hospital, Av. Reyes Católicos, 2, 28040, Madrid, Spain
| | - Jaime Esteban
- Department of Clinical Microbiology, IIS-Fundación Jiménez Díaz, UAM, Av. Reyes Católicos, 2, 28040, Madrid, Spain
| | - Antonio L Doadrio
- Department of Inorganic and Bioinorganic Chemistry, Health Research Institute, Complutense University of Madrid, 12 de Octubre i+12, 28040, Madrid, Spain
| | - Macarena Boiza-Sánchez
- Department of Pathology, Fundación Jiménez Díaz University Hospital, Av. Reyes Católicos, 2, 28040, Madrid, Spain
| | - Aranzazu Mediero
- Joint and Bone Research Unit, IIS-Fundación Jimenez Diaz, UAM, Av. Reyes Católicos, 2, 28040, Madrid, Spain
| | - Diego Eguibar-Blázquez
- Department of Experimental Surgery and Animal Research, IIS-Fundación Jimenez Diaz, UAM, Av. Reyes Católicos, 2, 28040, Madrid, Spain
| | - José Cordero-Ampuero
- Department of Orthopaedic Surgery, University Hospital La Princesa, c/Océano Antártico 41, 28760, Tres Cantos, Spain
| | - Ana Conde
- Corrosion and Material Protection Group, Surface Engineering, Corrosion and Durability Department National Center for Metallurgical Research, (CENIM-CSIC) Av. Gregorio del Amo, 8, Madrid, 28040, Spain
| | - María-Ángeles Arenas
- Corrosion and Material Protection Group, Surface Engineering, Corrosion and Durability Department National Center for Metallurgical Research, (CENIM-CSIC) Av. Gregorio del Amo, 8, Madrid, 28040, Spain
| | - Juan-José de-Damborenea
- Corrosion and Material Protection Group, Surface Engineering, Corrosion and Durability Department National Center for Metallurgical Research, (CENIM-CSIC) Av. Gregorio del Amo, 8, Madrid, 28040, Spain
| | - John J Aguilera-Correa
- Department of Clinical Microbiology, IIS-Fundación Jiménez Díaz, UAM, Av. Reyes Católicos, 2, 28040, Madrid, Spain
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Electrochemical behavior of CoCrMo alloy for dental applications in acidic artificial saliva containing albumin. Colloids Surf B Biointerfaces 2019; 184:110492. [PMID: 31522026 DOI: 10.1016/j.colsurfb.2019.110492] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 08/10/2019] [Accepted: 09/05/2019] [Indexed: 12/11/2022]
Abstract
The electrochemical properties of CoCrMo alloy immersed in different artificial saliva with or without Ca2+ and albumin were studied by open circuit potential (OCP), electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization (PP), and meanwhile the microstructures features, phase identification and chemical composition of the alloy were analyzed by SEM, EDS, XRD and RA-IR to further understand the electrochemical behavior of the alloy. The results indicated that the self-passivation behavior of the alloy occurred universally and was obviously distinct with each other in different acidic artificial saliva. No phase transformation was observed and the oxide layer and corrosion products exhibited amorphous nature. There was an obvious complexation of the adsorbed albumin with the alloy, and the adsorption capacity of albumin increased with the prolongation of immersion time. The adsorbed albumin presenting black stripped spots had a certain inhibition to the formation of passivation film, and Ca2+ in saliva promoted the further adsorption of albumin as an intermediate bridge, going against the improvement of the corrosion resistance of passivation film/alloy system. In addition, the passivation state of the alloy surface was changed by different methods to investigate the adsorption behavior of albumin and its influence on the further passivation behavior in depth. Hitherto, we tried to propose a model to explain the dynamic adsorption process of albumin and its influencing mechanism on the growth behavior of passivation film.
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Aguilera-Correa JJ, Auñón Á, Boiza-Sánchez M, Mahillo-Fernández I, Mediero A, Eguibar-Blázquez D, Conde A, Arenas MÁ, de-Damborenea JJ, Cordero-Ampuero J, Esteban J. Urine Aluminum Concentration as a Possible Implant Biomarker of Pseudomonas aeruginosa Infection Using a Fluorine- and Phosphorus-Doped Ti-6Al-4V Alloy with Osseointegration Capacity. ACS OMEGA 2019; 4:11815-11823. [PMID: 31460290 PMCID: PMC6682075 DOI: 10.1021/acsomega.9b00898] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Accepted: 06/10/2019] [Indexed: 06/10/2023]
Abstract
Joint prosthesis failure is mainly related to aseptic loosening and prosthetic joint infections, both associated with high morbidity and a substantial cost burden for patients and health systems. The development of a biomaterial capable of stimulating bone growth while minimizing bacterial adhesion would reduce the incidence of prosthetic failure. Using an in vivo rabbit model, this study evaluates the osseointegration effect of the fluorine (F)- and phosphorus (P)-doped bottle-shaped nanostructured (bNT) Ti-6Al-4V alloy and effectiveness of monitoring urine aluminum concentration to determine the presence of Pseudomonas aeruginosa infection in Ti-6Al-4V implants. Unlike chemically polished (CP) Ti-6Al-4V alloy implants, bNT Ti-6Al-4V alloy implants promoted osseointegration and showed effectiveness as a biomaterial marker. The bNT Ti-6Al-4V alloy implants were associated with a twofold increase in bone thickness and up to 15% greater bone density compared to the CP alloy. Additionally, bNT Ti-6Al-4V alloy implants allowed for discrimination between P. aeruginosa-infected and noninfected animals for 15 days postoperatively, as indicated by the decrease of aluminum concentration in urine, while this difference was only appreciable over the first 7 days when CP Ti-6Al-4V alloy implants were used. Therefore, bNT Ti-6Al-4V alloys could have clinical applications by detecting the infection and by avoiding aseptic loosening.
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Affiliation(s)
- John-Jairo Aguilera-Correa
- Clinical Microbiology Department, Joint and Bone Research Unit,
and Experimental Surgery and
Animal Research Service, IIS-Fundación
Jimenez Diaz, UAM. Av. Reyes Católicos, 2, 28040 Madrid, Spain
| | - Álvaro Auñón
- Orthopedic Surgery Service, Pathology Department, and Epidemiology
and Biostatistics
Service, Fundación Jiménez
Díaz University Hospital, Av. Reyes Católicos, 2, 28040 Madrid, Spain
| | - Macarena Boiza-Sánchez
- Orthopedic Surgery Service, Pathology Department, and Epidemiology
and Biostatistics
Service, Fundación Jiménez
Díaz University Hospital, Av. Reyes Católicos, 2, 28040 Madrid, Spain
| | - Ignacio Mahillo-Fernández
- Orthopedic Surgery Service, Pathology Department, and Epidemiology
and Biostatistics
Service, Fundación Jiménez
Díaz University Hospital, Av. Reyes Católicos, 2, 28040 Madrid, Spain
| | - Aranzazu Mediero
- Clinical Microbiology Department, Joint and Bone Research Unit,
and Experimental Surgery and
Animal Research Service, IIS-Fundación
Jimenez Diaz, UAM. Av. Reyes Católicos, 2, 28040 Madrid, Spain
| | - Diego Eguibar-Blázquez
- Clinical Microbiology Department, Joint and Bone Research Unit,
and Experimental Surgery and
Animal Research Service, IIS-Fundación
Jimenez Diaz, UAM. Av. Reyes Católicos, 2, 28040 Madrid, Spain
| | - Ana Conde
- Corrosion
and Material Protection Group, National
Center for Metallurgical Research (CENIM-CSIC), Av. Gregorio del Amo, 8, 28040 Madrid, Spain
| | - María-Ángeles Arenas
- Corrosion
and Material Protection Group, National
Center for Metallurgical Research (CENIM-CSIC), Av. Gregorio del Amo, 8, 28040 Madrid, Spain
| | - Juan-José de-Damborenea
- Corrosion
and Material Protection Group, National
Center for Metallurgical Research (CENIM-CSIC), Av. Gregorio del Amo, 8, 28040 Madrid, Spain
| | - José Cordero-Ampuero
- Department
of Orthopaedic Surgery, University Hospital
La Princesa, c/Diego de León 62, 28006 Madrid, Spain
| | - Jaime Esteban
- Clinical Microbiology Department, Joint and Bone Research Unit,
and Experimental Surgery and
Animal Research Service, IIS-Fundación
Jimenez Diaz, UAM. Av. Reyes Católicos, 2, 28040 Madrid, Spain
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Zhu WQ, Yu YJ, Xu LN, Ming PP, Shao SY, Qiu J. Regulation of osteoblast behaviors via cross-talk between Hippo/YAP and MAPK signaling pathway under fluoride exposure. J Mol Med (Berl) 2019; 97:1003-1017. [PMID: 31055605 DOI: 10.1007/s00109-019-01785-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 03/26/2019] [Accepted: 04/01/2019] [Indexed: 12/18/2022]
Abstract
Titanium is widely used in implant materials, while excessive fluoride may have negative effects on the osseointegration between the titanium and osteoblasts. Although the underlying mechanisms are still not clear, the mitogen-activated protein kinase (MAPK) or Yes-associated protein (YAP) signaling pathways are thought to be involved. This study evaluated the role of Hippo/YAP and MAPK signaling pathway in osteoblast behaviors under excessive fluoride exposure in vitro and in vivo. Commercially pure Ti (cp-Ti) samples were exposed to fluoride (0, 0.1, and 1.0 mM NaF) for 7 days. Cell adhesion was observed using a laser scanning confocal microscope. Cell viability and apoptosis were evaluated by CCK-8 assay and flow cytometry, respectively. The expressions of osteoblast markers and key molecules in MAPK and YAP pathway were detected by Western blot. In vivo studies were evaluated by histology methods in C57/BL6 mice model. Our results showed that 1.0 mM NaF destroyed the passivation film on cp-Ti surface, which further inhibited the osteoblast adhesion and spreading. Meanwhile, compared to other groups, 1.0 mM NaF led to a remarkable reduction in cell viability (P < 0.05), as well as increased apoptosis (P < 0.05) and downregulation of osteogenesis protein expression (P < 0.05). MAPK and YAP signaling pathways were also activated under 1.0 mM NaF exposure, and JNK seemed to regulate YAP phosphorylation in response to NaF impacts on osteoblasts. In vivo fluorosis mouse model further indicated that 100 ppm NaF group (high fluoride group) increased bone resorption and inhibited the nuclear translocation of YAP. The osteoblast behaviors were negatively altered under excessive fluoride, and MAPK/JNK axis contributed to YAP signaling activation in regulating NaF-induced osteoblast behaviors. KEY MESSAGES: • Excessive fluoride inhibited osteoblast behaviors and bone formation. • YAP and MAPK signaling pathways were activated in osteoblasts under fluoride exposure. • Fluoride regulated osteoblast behaviors via the cross-talk between YAP and MAPK.
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Affiliation(s)
- Wen-Qing Zhu
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, People's Republic of China
| | - Ying-Juan Yu
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, People's Republic of China
| | - Li-Na Xu
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, People's Republic of China
| | - Pan-Pan Ming
- Department of Stomatology, Sir Run Run Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - Shui-Yi Shao
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, People's Republic of China
- Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, People's Republic of China
| | - Jing Qiu
- Department of Oral Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, People's Republic of China.
- Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, People's Republic of China.
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Microbiological and Cellular Evaluation of a Fluorine-Phosphorus-Doped Titanium Alloy, a Novel Antibacterial and Osteostimulatory Biomaterial with Potential Applications in Orthopedic Surgery. Appl Environ Microbiol 2019; 85:AEM.02271-18. [PMID: 30367003 DOI: 10.1128/aem.02271-18] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 10/09/2018] [Indexed: 02/08/2023] Open
Abstract
Joint prosthesis failure is mainly related to aseptic loosening and prosthetic joint infections, both of which are associated with high morbidity and substantial costs for patients and health systems. The development of a biomaterial that is capable of stimulating bone growth while minimizing bacterial adhesion would reduce the incidence of prosthetic failure. We report antibacterial and osteostimulatory effects in a novel fluorine-phosphorus (F-P)-doped TiO2 oxide film grown on Ti-6Al-4V alloy with a nanostructure of bottle-shaped nanotubes (bNT) using five bacterial species (Staphylococcus aureus, Staphylococcus epidermidis, Escherichia coli, Pseudomonas aeruginosa, and Stenotrophomonas maltophilia) and MCT3T3-E1 osteoblastic cells. The interaction between the bacteria and bNT Ti-6Al-4V was complex, as the adhesion of four bacterial species decreased (two staphylococcus species, E. coli, and S. maltophilia), and the viability of staphylococci and S. maltophilia also decreased because of the aluminum (Al) released by bNT Ti-6Al-4V. This released Al can be recruited by the bacteria through siderophores and was retained only by the Gram-negative bacteria tested. P. aeruginosa showed higher adhesion on bNT Ti-6Al-4V than on chemically polished (CP) samples of Ti-6Al-4V alloy and an ability to mobilize Al from bNT Ti-6Al-4V. The cell adhesion and proliferation of MCT3T3-E1 osteoblastic cells significantly increased at 48 and 168 h, as did the matrix mineralization of these cells and the gene expression levels of three of the most important markers related to bone differentiation. According to our results, the bNT Ti-6Al-4V alloy could have clinical application, preventing infection and stimulating bone growth and thus preventing the two main causes of joint prosthesis failure.IMPORTANCE This work evaluates F-P-doped bNT Ti-6Al-4V from microbiological and cellular approaches. The bacterial results highlight that the antibacterial ability of bNT Ti-6Al-4V is the result of a combination of antiadhesive and bactericidal effects exerted by Al released from the alloy. The cell results highlight that F-P bNT Ti-6Al-4V alloy increases osseointegration due to modification of the chemical composition of the alloy resulting from P incorporation and not due to the nanostructure, as reported previously. A key finding was the detection of Al release from inside the bNT Ti-6Al-4V nanostructures, a result of the nanostructure growth during the anodizing process that is in part responsible for its bactericidal effect.
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Aguilera-Correa JJ, Doadrio AL, Conde A, Arenas MA, de-Damborenea JJ, Vallet-Regí M, Esteban J. Antibiotic release from F-doped nanotubular oxide layer on TI6AL4V alloy to decrease bacterial viability. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:118. [PMID: 30030636 DOI: 10.1007/s10856-018-6119-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 07/04/2018] [Indexed: 06/08/2023]
Abstract
We aimed to evaluate the release of two antibiotics: gentamicin and vancomycin loaded into F-doped nanotubular anodic oxide layers, as well as their bactericide effect. F-doped nanotubular oxide layers fabricated on Ti-6Al-4V loaded with gentamicin (Gm), vancomycin (Vm) and their mixture (Gm + Vm) by a previously described loading method. Antibiotic release was studied by RP-HPLC and by a biological method. Bactericidal activity was evaluated by a bacterial adherence protocol described previously using on three clinically important bacterial species. The antibiotic release steady up to 120 and 180 min for Gm and Vm, respectively, and despite the antibiotic concentration decreased, their biological activity was maintained over time. The number of living bacteria of three species tested on NT-Gm specimens was significantly lower than on NT specimens without antibiotics (P < 0.01). There are significant differences among NT-Gm and NT-Gm + Vm specimens (P < 0.05) for S. aureus 15981, S. epidermidis ATCC 35984, and P. aeruginosa ATCC 27853 and no differences between NT-Vm and NT-Gm + Vm for staphylococci (P > 0.05). In conclusion, this Gm + Vm loading method added to the properties of F-doped nanotubular oxide layers fabricated on Ti-6Al-4V, and therefore surfaces with antibacterial, biocompatible, tissue integration stimulating and spread-spectrum bactericidal properties can be obtained.
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Affiliation(s)
- John-Jairo Aguilera-Correa
- Department of Clinical Microbiology, IIS-Fundación Jiménez Díaz, UAM. Av. Reyes Católicos 2, 28040, Madrid, Spain
| | - Antonio L Doadrio
- Department of Inorganic and Bioinorganic Chemistry, Institute of Sanitary Research Hospital, Complutense University of Madrid, 12 de Octubre i+12, 28040, Madrid, Spain
| | - Ana Conde
- Department of Surface Engineering Corrosion and Durability, National Center for Metallurgical Research, CENIM-CSIC, Avda. Gregorio del Amo, 8, 28040, Madrid, Spain
| | - Maria-Angeles Arenas
- Department of Surface Engineering Corrosion and Durability, National Center for Metallurgical Research, CENIM-CSIC, Avda. Gregorio del Amo, 8, 28040, Madrid, Spain
| | - Juan-Jose de-Damborenea
- Department of Surface Engineering Corrosion and Durability, National Center for Metallurgical Research, CENIM-CSIC, Avda. Gregorio del Amo, 8, 28040, Madrid, Spain
| | - María Vallet-Regí
- Department of Inorganic and Bioinorganic Chemistry, Institute of Sanitary Research Hospital, Complutense University of Madrid, 12 de Octubre i+12, 28040, Madrid, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Jaime Esteban
- Department of Clinical Microbiology, IIS-Fundación Jiménez Díaz, UAM. Av. Reyes Católicos 2, 28040, Madrid, Spain.
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17
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Tribocorrosion of Passive Materials: A Review on Test Procedures and Standards. INTERNATIONAL JOURNAL OF CORROSION 2018. [DOI: 10.1155/2018/7345346] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
This paper reviews the most recent available literature relating to the electrochemical techniques and test procedures employed to assess tribocorrosion behaviour of passive materials. Over the last few decades, interest in tribocorrosion studies has notably increased, and several electrochemical techniques have been adapted to be applied on tribocorrosion research. Until 2016, the only existing standard to study tribocorrosion and to determine the synergism between wear and corrosion was the ASTM G119. In 2016, the UNE 112086 standard was developed, based on a test protocol suggested by several authors to address the drawbacks of the ASTM G119 standard. Current knowledge on tribocorrosion has been acquired by combining different electrochemical techniques. This work compiles different test procedures and a combination of electrochemical techniques used by noteworthy researchers to assess tribocorrosion behaviour of passive materials. A brief insight is also provided into the electrochemical techniques and studies made by tribocorrosion researchers.
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18
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Ramesh D, Sridhar S, Siddiqui DA, Valderrama P, Rodrigues DC. Detoxification of Titanium Implant Surfaces: Evaluation of Surface Morphology and Bone-Forming Cell Compatibility. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/s40735-017-0111-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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19
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Aguilera-Correa JJ, Conde A, Arenas MA, de-Damborenea JJ, Marin M, Doadrio AL, Esteban J. Bactericidal activity of the Ti-13Nb-13Zr alloy against different species of bacteria related with implant infection. ACTA ACUST UNITED AC 2017; 12:045022. [PMID: 28799523 DOI: 10.1088/1748-605x/aa770c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The Ti-6Al-4V alloy is one of the most commonly used in orthopedic surgery. Despite its advantages, there is an increasing need to use new titanium alloys with no toxic elements and improved biomechanical properties, such as Ti-13Nb-13Zr. Prosthetic joint infections (PJI) are mainly caused by Gram-positive bacteria; however, Gram-negative bacteria are a growing problem due to associated multidrug resistance. In this study, the bacterial adherence and viability on the Ti-13Nb-13Zr alloy have been compared to that of the Ti-6Al-4V alloy using 16 collection and clinical strains of bacterial species related to PJI: Staphylococcus aureus, Staphylococcus epidermidis, Escherichia coli, and Pseudomonas aeruginosa. When compared with the Ti-6Al-4V alloy, bacterial adherence on the Ti-13Nb-13Zr alloy was significantly higher in most staphylococcal and P. aeruginosa strains and lower for E. coli strains. The proportion of live bacteria was significantly lower for both Gram-negative species on the Ti-13Nb-13Zr alloy than on the Ti-6Al-4V alloy pointing to some bactericidal effect of the Ti-13Nb-13Zr alloy. This bactericidal effect appears to be a consequence of the formation of hydroxyl radicals, since this effect is neutralized when dimethylsulfoxide was added to both the saline solution and water used to wash the stain. The antibacterial effect of the Ti-13Nb-13Zr alloy against Gram-negative bacteria is an interesting property useful for the prevention of PJI caused by these bacteria on this potential alternative to the Ti-6Al-4V alloy for orthopedic surgery.
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Affiliation(s)
- John-Jairo Aguilera-Correa
- Department of Clinical Microbiology, IIS-Fundación Jiménez Díaz, UAM, Av. Reyes Catolicos, 2, E-28040 Madrid, Spain
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20
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Huang GY, Jiang HB, Cha JY, Kim KM, Hwang CJ. The effect of fluoride-containing oral rinses on the corrosion resistance of titanium alloy (Ti-6Al-4V). Korean J Orthod 2017; 47:306-312. [PMID: 28861392 PMCID: PMC5548711 DOI: 10.4041/kjod.2017.47.5.306] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 12/12/2016] [Accepted: 12/19/2016] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE The purpose of this study was to examine the effect of commercially available fluoride-containing oral rinses on the corrosion behavior of titanium alloys, which are the main components of orthodontic miniscrews. METHODS Four commercially available oral rinses (solution A, pH 4.46/260 ppm fluoride; solution B, pH 4.41/178 ppm fluoride; solution C, pH 6.30/117 ppm fluoride; and solution D, pH 4.17/3.92 ppm fluoride) were tested on titanium alloy (Ti-6Al-4V) circular plates, and saline was used as the control. The open-circuit potential and potentiodynamic polarization of these materials were measured. Thereafter, all samples were evaluated under a field-emission scanning electron microscope. RESULTS Among the tested oral rinses, except solution D, the more the fluoride content was, the greater was the corrosion potential downtrend; the corrosion resistance of the titanium alloy sample was also lowered significantly (p < 0.05). Field-emission scanning electron microscopic analysis of the surface morphology of the titanium alloy samples revealed that all samples had some defects, crevices, or pitting after exposure to the oral rinses than before treatment. In particular, the samples in solution A showed the most changes. CONCLUSIONS Commercially available oral rinses having a high fluoride concentration and a low pH may reduce the corrosion resistance of titanium alloys used in dental appliances such as orthodontic titanium miniscrews and brackets.
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Affiliation(s)
- Gui-Yue Huang
- Department of Orthodontics, College of Dentistry, Yonsei University, Seoul, Korea
| | - Heng Bo Jiang
- Department and Research Institute of Dental Biomaterials and Bioengineering, College of Dentistry, Yonsei University, Seoul, Korea
| | - Jung-Yul Cha
- Department of Orthodontics, The Institute of Craniofacial Deformity, College of Dentistry, Yonsei University, Seoul, Korea
| | - Kwang-Mahn Kim
- Department and Research Institute of Dental Biomaterials and Bioengineering, College of Dentistry, Yonsei University, Seoul, Korea.,BK21 PLUS Project, Yonsei University College of Dentistry
| | - Chung-Ju Hwang
- Department of Orthodontics, The Institute of Craniofacial Deformity, College of Dentistry, Yonsei University, Seoul, Korea
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Hamidi MFFA, Harun WSW, Samykano M, Ghani SAC, Ghazalli Z, Ahmad F, Sulong AB. A review of biocompatible metal injection moulding process parameters for biomedical applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 78:1263-1276. [PMID: 28575965 DOI: 10.1016/j.msec.2017.05.016] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 04/30/2017] [Accepted: 05/04/2017] [Indexed: 01/07/2023]
Abstract
Biocompatible metals have been revolutionizing the biomedical field, predominantly in human implant applications, where these metals widely used as a substitute to or as function restoration of degenerated tissues or organs. Powder metallurgy techniques, in specific the metal injection moulding (MIM) process, have been employed for the fabrication of controlled porous structures used for dental and orthopaedic surgical implants. The porous metal implant allows bony tissue ingrowth on the implant surface, thereby enhancing fixation and recovery. This paper elaborates a systematic classification of various biocompatible metals from the aspect of MIM process as used in medical industries. In this study, three biocompatible metals are reviewed-stainless steels, cobalt alloys, and titanium alloys. The applications of MIM technology in biomedicine focusing primarily on the MIM process setting parameters discussed thoroughly. This paper should be of value to investigators who are interested in state of the art of metal powder metallurgy, particularly the MIM technology for biocompatible metal implant design and development.
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Affiliation(s)
- M F F A Hamidi
- Institute of Postgraduate Studies, Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300 Gambang, Kuantan, Pahang, Malaysia
| | - W S W Harun
- Green Research for Advanced Materials Laboratory, Human Engineering Group, Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang, Malaysia.
| | - M Samykano
- Structural and Material Degradation Group, Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang, Malaysia
| | - S A C Ghani
- Green Research for Advanced Materials Laboratory, Human Engineering Group, Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang, Malaysia
| | - Z Ghazalli
- Green Research for Advanced Materials Laboratory, Human Engineering Group, Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang, Malaysia
| | - F Ahmad
- Department of Mechanical Engineering, Universiti Teknologi PETRONAS, Malaysia
| | - A B Sulong
- Department of Mechanical & Materials Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM, Bangi, Malaysia
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Marques IDSV, Alfaro MF, Saito MT, da Cruz NC, Takoudis C, Landers R, Mesquita MF, Nociti Junior FH, Mathew MT, Sukotjo C, Barão VAR. Biomimetic coatings enhance tribocorrosion behavior and cell responses of commercially pure titanium surfaces. Biointerphases 2016; 11:031008. [PMID: 27514370 PMCID: PMC4982872 DOI: 10.1116/1.4960654] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Revised: 07/25/2016] [Accepted: 07/28/2016] [Indexed: 12/11/2022] Open
Abstract
Biofunctionalized surfaces for implants are currently receiving much attention in the health care sector. Our aims were (1) to create bioactive Ti-coatings doped with Ca, P, Si, and Ag produced by microarc oxidation (MAO) to improve the surface properties of biomedical implants, (2) to investigate the TiO2 layer stability under wear and corrosion, and (3) to evaluate human mesenchymal stem cells (hMSCs) responses cultured on the modified surfaces. Tribocorrosion and cell experiments were performed following the MAO treatment. Samples were divided as a function of different Ca/P concentrations and treatment duration. Higher Ca concentration produced larger porous and harder coatings compared to the untreated group (p < 0.001), due to the presence of rutile structure. Free potentials experiments showed lower drops (-0.6 V) and higher coating lifetime during sliding for higher Ca concentration, whereas lower concentrations presented similar drops (-0.8 V) compared to an untreated group wherein the drop occurred immediately after the sliding started. MAO-treated surfaces improved the matrix formation and osteogenic gene expression levels of hMSCs. Higher Ca/P ratios and the addition of Ag nanoparticles into the oxide layer presented better surface properties, tribocorrosive behavior, and cell responses. MAO is a promising technique to enhance the biological, chemical, and mechanical properties of dental implant surfaces.
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Affiliation(s)
- Isabella da Silva Vieira Marques
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Av Limeira, 901, Piracicaba, São Paulo 13414-903, Brazil
| | - Maria Fernanda Alfaro
- Department of Restorative Dentistry, University of Illinois at Chicago, College of Dentistry, 801 S Paulina, Chicago, Illinois 60612
| | - Miki Taketomi Saito
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Av Limeira, 901, Piracicaba, São Paulo 13414-903, Brazil
| | - Nilson Cristino da Cruz
- Laboratory of Technological Plasmas, Engineering College, Univ Estadual Paulista (UNESP), Av Três de Março, 511, Sorocaba, São Paulo 18087-180, Brazil
| | - Christos Takoudis
- Departments of Chemical Engineering and Bioengineering, University of Illinois at Chicago, 851 S. Morgan St., SEO 218, Chicago, Illinois 60607
| | - Richard Landers
- Institute of Physics Gleb Wataghin, University of Campinas (UNICAMP), Cidade Universitária Zeferino Vaz, Barão Geraldo, Campinas, São Paulo 13083-859, Brazil
| | - Marcelo Ferraz Mesquita
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Av Limeira, 901, Piracicaba, São Paulo 13414-903, Brazil
| | - Francisco Humberto Nociti Junior
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Av Limeira, 901, Piracicaba, São Paulo 13414-903, Brazil
| | - Mathew T Mathew
- Department of Biomedical Sciences, University of Illinois, College of Medicine at Rockford, 1601 Parkview Avenue, Rockford, Illinois 61107
| | - Cortino Sukotjo
- Department of Restorative Dentistry, University of Illinois at Chicago, College of Dentistry, 801 S Paulina, Chicago, Illinois 60612
| | - Valentim Adelino Ricardo Barão
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Av Limeira, 901, Piracicaba, São Paulo 13414-903, Brazil
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Toptan F, Rego A, Alves A, Guedes A. Corrosion and tribocorrosion behavior of Ti–B4C composite intended for orthopaedic implants. J Mech Behav Biomed Mater 2016; 61:152-163. [DOI: 10.1016/j.jmbbm.2016.01.024] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 01/20/2016] [Accepted: 01/25/2016] [Indexed: 12/01/2022]
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