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Qin S, Niu Y, Zhang Y, Wang W, Zhou J, Bai Y, Ma G. Metal Ion-Containing Hydrogels: Synthesis, Properties, and Applications in Bone Tissue Engineering. Biomacromolecules 2024; 25:3217-3248. [PMID: 38237033 DOI: 10.1021/acs.biomac.3c01072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Hydrogel, as a unique scaffold material, features a three-dimensional network system that provides conducive conditions for the growth of cells and tissues in bone tissue engineering (BTE). In recent years, it has been discovered that metal ion-containing hybridized hydrogels, synthesized with metal particles as the foundation, exhibit excellent physicochemical properties, osteoinductivity, and osteogenic potential. They offer a wide range of research prospects in the field of BTE. This review provides an overview of the current state and recent advancements in research concerning metal ion-containing hydrogels in the field of BTE. Within materials science, it covers topics such as the binding mechanisms of metal ions within hydrogel networks, the types and fabrication methods of various metal ion-containing hydrogels, and the influence of metal ions on the properties of hydrogels. In the context of BTE, the review delves into the osteogenic mechanisms of various metal ions, the applications of metal ion-containing hydrogels in BTE, and relevant experimental studies in vitro and in vivo. Furthermore, future improvements in bone repair can be anticipated through advancements in bone bionics, exploring interactions between metal ions and the development of a wider range of metal ions and hydrogel types.
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Affiliation(s)
- Shengao Qin
- Salivary Gland Disease Center and Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Laboratory of Oral Health and Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, P. R. China
- Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian 116044, P. R. China
| | - Yimeng Niu
- School of Stomatology, Dalian Medical University, No. 9 West Section, Lvshunnan Road, Dalian 116044, P. R. China
- Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian 116044, P. R. China
| | - Yihan Zhang
- School of Stomatology, Harbin Medical University, Harbin 150020, P. R. China
| | - Weiyi Wang
- School of Stomatology, Dalian Medical University, No. 9 West Section, Lvshunnan Road, Dalian 116044, P. R. China
- Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian 116044, P. R. China
| | - Jian Zhou
- Salivary Gland Disease Center and Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Laboratory of Oral Health and Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, P. R. China
- Department of VIP Dental Service, School of Stomatology, Capital Medical University, Beijing 100050, P. R. China
- Laboratory for Oral and General Health Integration and Translation, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, P. R. China
| | - Yingjie Bai
- School of Stomatology, Dalian Medical University, No. 9 West Section, Lvshunnan Road, Dalian 116044, P. R. China
- Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian 116044, P. R. China
| | - Guowu Ma
- School of Stomatology, Dalian Medical University, No. 9 West Section, Lvshunnan Road, Dalian 116044, P. R. China
- Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian 116044, P. R. China
- Department of Stomatology, Stomatological Hospital Affiliated School of Stomatology of Dalian Medical University, No. 397 Huangpu Road, Shahekou District, Dalian 116086, P. R. China
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Gallab M, Le PTM, Shintani SA, Takadama H, Ito M, Kitagaki H, Matsushita T, Honda S, Okuzu Y, Fujibayashi S, Yamaguchi S. Mechanical, bioactive, and long-lasting antibacterial properties of a Ti scaffold with gradient pores releasing iodine ions. BIOMATERIALS ADVANCES 2024; 158:213781. [PMID: 38335763 DOI: 10.1016/j.bioadv.2024.213781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/30/2023] [Accepted: 01/22/2024] [Indexed: 02/12/2024]
Abstract
The ideal bone implant would effectively prevent aseptic as well as septic loosening by minimizing stress shielding, maximizing bone ingrowth, and preventing implant-associated infections. Here, a novel gradient-pore-size titanium scaffold was designed and manufactured to address these requirements. The scaffold features a larger pore size (900 μm) on the top surface, gradually decreasing to small sizes (600 μm to 300 μm) towards the center, creating a gradient structure. To enhance its functionality, the additively manufactured scaffolds were biofunctionalized using simple chemical and heat treatments so as to incorporate calcium and iodine ions throughout the surface. This unique combination of varying pore sizes with a biofunctional surface provides highly desirable mechanical properties, bioactivity, and notably, long-lasting antibacterial activity. The target mechanical aspects, including low elastic modulus, high compression, compression-shear, and fatigue strength, were effectively achieved. Furthermore, the biofunctional surface exhibits remarkable in vitro bioactivity and potent antibacterial activity, even under conditions specifically altered to be favorable for bacterial growth. More importantly, the integration of small pores alongside larger ones ensures a sustained high release of iodine, resulting in antimicrobial activity that persisted for over three months, with full eradication of the bacteria. Taken together, this gradient structure exhibits obvious superiority in combining most of the desired properties, making it an ideal candidate for orthopedic and dental implant applications.
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Affiliation(s)
- Mahmoud Gallab
- Biomedical Sciences Department, Chubu University, Kasugai, Aichi 487-0027, Japan; Faculty of Engineering, Minia University, Minia 61111, Egypt.
| | - Phuc Thi Minh Le
- Biomedical Sciences Department, Chubu University, Kasugai, Aichi 487-0027, Japan; Institute of Biotechnology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
| | - Seine A Shintani
- Biomedical Sciences Department, Chubu University, Kasugai, Aichi 487-0027, Japan
| | - Hiroaki Takadama
- Biomedical Sciences Department, Chubu University, Kasugai, Aichi 487-0027, Japan
| | - Morihiro Ito
- Biomedical Sciences Department, Chubu University, Kasugai, Aichi 487-0027, Japan
| | - Hisashi Kitagaki
- Osaka Yakin Kogyo Co., Ltd., Zuiko 4-4-28, Higashi Yodogawa-ku, Osaka City, Osaka 533-0005, Japan
| | - Tomiharu Matsushita
- Biomedical Sciences Department, Chubu University, Kasugai, Aichi 487-0027, Japan
| | - Shintaro Honda
- Department of Orthopaedic Surgery, Kyoto University, Kyoto, Kyoto 606-8501, Japan
| | - Yaichiro Okuzu
- Department of Orthopaedic Surgery, Kyoto University, Kyoto, Kyoto 606-8501, Japan
| | - Shunsuke Fujibayashi
- Department of Orthopaedic Surgery, Kyoto University, Kyoto, Kyoto 606-8501, Japan
| | - Seiji Yamaguchi
- Biomedical Sciences Department, Chubu University, Kasugai, Aichi 487-0027, Japan.
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Kheirmand-Parizi M, Doll-Nikutta K, Gaikwad A, Denis H, Stiesch M. Effectiveness of strontium/silver-based titanium surface coatings in improving antibacterial and osteogenic implant characteristics: a systematic review of in-vitro studies. Front Bioeng Biotechnol 2024; 12:1346426. [PMID: 38486866 PMCID: PMC10937591 DOI: 10.3389/fbioe.2024.1346426] [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: 11/30/2023] [Accepted: 02/16/2024] [Indexed: 03/17/2024] Open
Abstract
Introduction: Due to the high incidence of implant failures, dual functionalization of titanium surfaces with antibacterial and osteogenic agents, like silver (Ag) and strontium (Sr), has gained significant attention in recent years. However, so far, the combined antibacterial and osteoinductive effectiveness of Ag/Sr-based titanium surface coatings has only been analyzed in individual studies. Methods: This systematic review aims to evaluate the existing scientific literature regarding the PICOS question "Does dual incorporation of strontium/silver enhances the osteogenic and anti-bacterial characteristics of Ti surfaces in vitro?". As a result of a web-based search adhering to the PRISMA Guidelines using three electronic databases (PubMed, Scopus, and Web of Science) until March 31, 2023, a total of 69 publications were identified as potentially relevant and 17 of which were considered appropriate for inclusion into this review. Results and Discussion: In all included publications, the use of Sr/Ag combination showed enhanced osteogenic and antibacterial effects, either alone or in combination with other agents. Moreover, the combination of Sr and Ag shows potential to synergistically enhance these effects. Nevertheless, further studies need to validate these findings under clinically more relevant conditions and evaluate the mechanism of antimicrobial and osteogenic activity of Sr/Ag combination.
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Affiliation(s)
- Marjan Kheirmand-Parizi
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Hannover, Germany
- Lower Saxony Center for Biomedical Engineering, Implant Research and Development (NIFE), Hannover, Germany
| | - Katharina Doll-Nikutta
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Hannover, Germany
- Lower Saxony Center for Biomedical Engineering, Implant Research and Development (NIFE), Hannover, Germany
| | - Amit Gaikwad
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Hannover, Germany
- Lower Saxony Center for Biomedical Engineering, Implant Research and Development (NIFE), Hannover, Germany
| | - Hannah Denis
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Hannover, Germany
- Lower Saxony Center for Biomedical Engineering, Implant Research and Development (NIFE), Hannover, Germany
| | - Meike Stiesch
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Hannover, Germany
- Lower Saxony Center for Biomedical Engineering, Implant Research and Development (NIFE), Hannover, Germany
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Wang YR, Yang NY, Sun H, Dong W, Deng JP, Zheng TX, Qi MC. The effect of strontium content on physicochemical and osteogenic property of Sr/Ag-containing TiO 2 microporous coatings. J Biomed Mater Res B Appl Biomater 2023; 111:846-857. [PMID: 36455234 DOI: 10.1002/jbm.b.35195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 10/17/2022] [Accepted: 11/06/2022] [Indexed: 12/05/2022]
Abstract
Strontium (Sr) is the most common element introduced into TiO2 coatings to strengthen the osteogenic property of titanium implants. However, the optimal Sr content and its effect on osteogenic and physicochemical properties of the coatings need to be clarified. In the current study, TiO2 microporous coatings with different contents of Sr (9.64-21.25 wt %) and silver (Ag) (0.38-0.75 wt %) were prepared via micro-arc oxidation technique. Sr contents did not change physicochemical properties of the coatings, including surface microstructure, micropore size and distribution, phase composition, roughness and hydrophilicity. Meanwhile, higher Sr contents (18.23-21.25 wt %) improved cytocompatibility, proliferation and alkaline phosphatase (ALP) activity of preosteoblasts, even the coatings underwent 30 days' PBS immersion. Furthermore, higher Sr contents facilitated preosteoblast growth and spreading, which are essential for their proliferation and osteogenic differentiation. Therefore, it is promising to incorporate higher Sr content (18.23-21.25 wt %) within TiO2 microporous coatings to improve their osteogenic capability.
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Affiliation(s)
- Yi-Rui Wang
- Department of Oral & Maxillofacial Surgery, College of stomatology, North China University of Science and Technology, Tangshan City, People's Republic of China
| | - Nuo-Ya Yang
- Department of Oral & Maxillofacial Surgery, College of stomatology, North China University of Science and Technology, Tangshan City, People's Republic of China
| | - Hong Sun
- Department of Pathology, college of basic medicine, North China University of Science and Technology, Tangshan, China
| | - Wei Dong
- Department of Oral & Maxillofacial Surgery, College of stomatology, North China University of Science and Technology, Tangshan City, People's Republic of China
| | - Jiu-Peng Deng
- Department of Oral & Maxillofacial Surgery, College of stomatology, North China University of Science and Technology, Tangshan City, People's Republic of China
| | - Tian-Xia Zheng
- Department of Oral & Maxillofacial Surgery, College of stomatology, North China University of Science and Technology, Tangshan City, People's Republic of China
| | - Meng-Chun Qi
- Department of Oral & Maxillofacial Surgery, College of stomatology, North China University of Science and Technology, Tangshan City, People's Republic of China
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Wang H, Zheng TX, Yang NY, Li Y, Sun H, Dong W, Feng LF, Deng JP, Qi MC. Osteogenic and long-term antibacterial properties of Sr/Ag-containing TiO 2 microporous coating in vitro and in vivo. J Mater Chem B 2023; 11:2972-2988. [PMID: 36919628 DOI: 10.1039/d2tb01658c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Bacterial infection and poor osseointegration are two critical issues that need to be solved for long-term use of titanium implants. As such, Sr/Ag-containing TiO2 microporous coatings were prepared on a Ti alloy surface in the current study via a single-step microarc oxidation technique. The coatings showed both good cytocompatibility in vitro and biosafety in vivo. Sr/Ag incorporation brought no significant change in the surface micromorphology and physicochemical properties, but endowed the coating with strong osteogenic activity and long-term antibacterial capability in vitro. Furthermore, the osteogenic and antibacterial capability of the coating was also confirmed in vivo. In a rat osseointegration model, new bone formation, implant-bone contact, removal torque and bone mineralization were all significantly increased in the M-Sr/Ag group when compared with those in group M, although they were slightly lower than those in group M-Sr. In a periimplantitis model, no rats suffered infection in the M-Sr/Ag group after 3 months of osseointegration and 5 weeks of bacterial inoculation period, when compared to 100% and 75% infection rates in M and M-Sr groups, respectively. In addition, active bone remodeling and many mesenchymal cells were observed in the M-Sr group, suggesting good bone regeneration potential in Sr-containing coatings in the case of controlled periimplantitis. Overall, the Sr/Ag-containing TiO2 microporous coating is valuable for preventing periimplantitis and improving implant reosseointegration, and is therefore promising for long-term and high quality use of titanium implants.
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Affiliation(s)
- Huan Wang
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian (063210), Tangshan City, Hebei Province, P. R. China.
| | - Tian-Xia Zheng
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian (063210), Tangshan City, Hebei Province, P. R. China.
| | - Nuo-Ya Yang
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian (063210), Tangshan City, Hebei Province, P. R. China.
| | - Ying Li
- Department of Stomatology, First Hospital of Qinhuangdao, Qinhuangdao City, Hebei Province, China
| | - Hong Sun
- Department of Pathology, College of Basic Medicine, North China University of Science and Technology, Tangshan, Hebei Province, China
| | - Wei Dong
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian (063210), Tangshan City, Hebei Province, P. R. China.
| | - Li-Fang Feng
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian (063210), Tangshan City, Hebei Province, P. R. China.
| | - Jiu-Peng Deng
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian (063210), Tangshan City, Hebei Province, P. R. China.
| | - Meng-Chun Qi
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian (063210), Tangshan City, Hebei Province, P. R. China.
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Piñera-Avellaneda D, Buxadera-Palomero J, Ginebra MP, Calero JA, Manero JM, Rupérez E. Surface competition between osteoblasts and bacteria on silver-doped bioactive titanium implant. BIOMATERIALS ADVANCES 2023; 146:213311. [PMID: 36709627 DOI: 10.1016/j.bioadv.2023.213311] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/13/2023] [Accepted: 01/18/2023] [Indexed: 01/26/2023]
Abstract
The rapid integration in the bone tissue and the prevention of bacterial infection are key for the success of the implant. In this regard, a silver (Ag)-doped thermochemical treatment that generate an Ag-doped calcium titanate layer on titanium (Ti) implants was previously developed by our group to improve the bone-bonding ability and provide antibacterial activity. In the present study, the biological and antibacterial potential of this coating has been further studied. In order to prove that the Ag-doped layer has an antibacterial effect with no detrimental effect on the bone cells, the behavior of osteoblast-like cells in terms of cell adhesion, morphology, proliferation and differentiation was evaluated, and the biofilm inhibition capacity was assessed. Moreover, the competition by the surface between cell and bacteria was carried out in two different co-culture methods. Finally, the treatment was applied to porous Ti implants to study in vivo osteointegration. The results show that the incorporation of Ag inhibits the biofilm formation and has no effect on the performance of osteoblast-like cells. Therefore, it can be concluded that the Ag-doped surface is capable of preventing bone bacterial infection and providing suitable osseointegration.
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Affiliation(s)
- David Piñera-Avellaneda
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Technical University of Catalonia (UPC), Barcelona East School of Engineering (EEBE), 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, EEBE, 08019 Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034 Barcelona, Spain.
| | - Judit Buxadera-Palomero
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Technical University of Catalonia (UPC), Barcelona East School of Engineering (EEBE), 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, EEBE, 08019 Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034 Barcelona, Spain
| | - María-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Technical University of Catalonia (UPC), Barcelona East School of Engineering (EEBE), 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, EEBE, 08019 Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034 Barcelona, Spain; Institute for Bioengineering of Catalonia (IBEC), 08028 Barcelona, Spain
| | - José A Calero
- AMES GROUP, 08980 Sant Feliu de Llobregat, Barcelona, Spain
| | - José María Manero
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Technical University of Catalonia (UPC), Barcelona East School of Engineering (EEBE), 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, EEBE, 08019 Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034 Barcelona, Spain
| | - Elisa Rupérez
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Technical University of Catalonia (UPC), Barcelona East School of Engineering (EEBE), 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, EEBE, 08019 Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034 Barcelona, Spain
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Geng T, Wang Y, Lin K, Zhang C, Wang J, Liu Y, Yuan C, Wang P. Strontium-doping promotes bone bonding of titanium implants in osteoporotic microenvironment. Front Bioeng Biotechnol 2022; 10:1011482. [PMID: 36185426 PMCID: PMC9520299 DOI: 10.3389/fbioe.2022.1011482] [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: 08/04/2022] [Accepted: 08/19/2022] [Indexed: 11/13/2022] Open
Abstract
Osteoporosis is a major challenge to oral implants, and this study focused on improving the osseointegration ability of titanium (Ti) implants in osteoporosis environment via surface modification, including doping of strontium ion and preparation of nanoscale surface feature. Our previous studies have shown that strontium (Sr) ions can enhance osteogenic activity. Therefore, we aimed to comprehensively evaluate the effect of hydrothermal treatment of Sr-doped titanium implant coating on bone-binding properties in the microenvironment of osteoporosis in this study. We fabricated Sr-doped nanocoating (AHT-Sr) onto the surface of titanium implants via hydrothermal reaction. The rough Sr-doping had good biological functions and could apparently promote osteogenic differentiation of osteoporotic bone marrow mesenchymal stem cells (OVX-BMSCs). Most importantly, AHT-Sr significantly promoted bone integration in the osteoporosis environment. This study provides an effective approach to implant surface modification for better osseointegration in an osteoporotic environment.
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Affiliation(s)
- Tengyu Geng
- School of Stomatology, Xuzhou Medical University, Xuzhou, China
- Department of Dental Implant, The Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou, China
| | - Yiru Wang
- School of Stomatology, Xuzhou Medical University, Xuzhou, China
- Department of Dental Implant, The Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou, China
| | - Kaili Lin
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
| | - Cheng Zhang
- School of Stomatology, Xuzhou Medical University, Xuzhou, China
| | - Jing Wang
- School of Stomatology, Xuzhou Medical University, Xuzhou, China
| | - Ya Liu
- School of Stomatology, Xuzhou Medical University, Xuzhou, China
| | - Changyong Yuan
- School of Stomatology, Xuzhou Medical University, Xuzhou, China
- Department of Dental Implant, The Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou, China
- *Correspondence: Penglai Wang, ; Changyong Yuan,
| | - Penglai Wang
- School of Stomatology, Xuzhou Medical University, Xuzhou, China
- Department of Dental Implant, The Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou, China
- *Correspondence: Penglai Wang, ; Changyong Yuan,
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Ikeda N, Fujibayashi S, Yamaguchi S, Goto K, Otsuki B, Kawai T, Shimizu T, Okuzu Y, Masamoto K, Shimizu Y, Takaoka Y, Matsuda S. Bioactivity and antibacterial activity of iodine-containing calcium titanate against implant-associated infection. BIOMATERIALS ADVANCES 2022; 138:212952. [PMID: 35913226 DOI: 10.1016/j.bioadv.2022.212952] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 05/02/2022] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
Developing antimicrobial biomaterials is a major challenge in the fields of orthopaedic and dental implants. In this study, we evaluated the bone-bonding ability and antibacterial activity of a novel biomaterial for preventing implant-associated infections. We have previously reported that NaOH heat treatment improved the bone-bonding ability of titanium, which was later modified to release target ions from the calcium titanate surface. Iodine, an essential nutrient, exhibits broad-spectrum antimicrobial activity; hence, we designed a calcium titanate that releases iodine ions (Ca-I-Ti). The material was prepared from a simple solution using heat treatments as well as inexpensive devices and chemical agents. MC3T3-E1 cells seeded on Ca-I-Ti displayed high degrees of bioactivity and viability, and Ca-I-Ti exhibited antibacterial activity against methicillin-susceptible Staphylococcus aureus. In vivo biomechanical and histological experiments showed that Ca-I-Ti had excellent bone-bonding ability at 8 weeks after implantation. In a subcutaneous infection model in rats, methicillin-susceptible Staphylococcus aureus on the implant was reduced by approximately 95% compared to that on commercially pure titanium, indicating that Ca-I-Ti has antibacterial effects in vivo. In addition, no local or systemic complications were observed, and active infection in the surrounding tissues was histologically inhibited. Thus, iodine-containing calcium titanate is a safe biomaterial with excellent bioactivity and antibacterial properties, indicating its potential in preventing implant-associated infections.
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Affiliation(s)
- Norimasa Ikeda
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan.
| | - Shunsuke Fujibayashi
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Seiji Yamaguchi
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi 487-8501, Japan
| | - Koji Goto
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Bungo Otsuki
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Toshiyuki Kawai
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Takayoshi Shimizu
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Yaichiro Okuzu
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Kazutaka Masamoto
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Yu Shimizu
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Yusuke Takaoka
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Shuichi Matsuda
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
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Wang Q, Zhang Y, Li Q, Chen L, Liu H, Ding M, Dong H, Mou Y. Therapeutic Applications of Antimicrobial Silver-Based Biomaterials in Dentistry. Int J Nanomedicine 2022; 17:443-462. [PMID: 35115777 PMCID: PMC8805846 DOI: 10.2147/ijn.s349238] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 01/13/2022] [Indexed: 12/16/2022] Open
Abstract
Microbial infection accounts for many dental diseases and treatment failure. Therefore, the antibacterial properties of dental biomaterials are of great importance to the long-term results of treatment. Silver-based biomaterials (AgBMs) have been widely researched as antimicrobial materials with high efficiency and relatively low toxicity. AgBMs have a broad spectrum of antimicrobial properties, including penetration of microbial cell membranes, damage to genetic material, contact killing, and dysfunction of bacterial proteins and enzymes. In particular, advances in nanotechnology have improved the application value of AgBMs. Hence, in many subspecialties of dentistry, AgBMs have been researched and employed, such as caries arresting or prevention, root canal sterilization, periodontal plaque inhibition, additives in dentures, coating of implants and anti-inflammatory material in oral and maxillofacial surgery. This paper aims to provide an overview of the application approaches of AgBMs in dentistry and present better guidance for oral antimicrobial therapy via the development of AgBMs.
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Affiliation(s)
- Qiyu Wang
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Yu Zhang
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Qiang Li
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Li Chen
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Hui Liu
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Meng Ding
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Heng Dong
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Yongbin Mou
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
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10
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Yamaguchi S, Le PTM, Shintani SA, Takadama H, Ito M, Ferraris S, Spriano S. Iodine-Loaded Calcium Titanate for Bone Repair with Sustainable Antibacterial Activity Prepared by Solution and Heat Treatment. NANOMATERIALS 2021; 11:nano11092199. [PMID: 34578515 PMCID: PMC8472594 DOI: 10.3390/nano11092199] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/23/2021] [Accepted: 08/25/2021] [Indexed: 11/16/2022]
Abstract
In the orthopedic and dental fields, simultaneously conferring titanium (Ti) and its alloy implants with antibacterial and bone-bonding capabilities is an outstanding challenge. In the present study, we developed a novel combined solution and heat treatment that controllably incorporates 0.7% to 10.5% of iodine into Ti and its alloys by ion exchange with calcium ions in a bioactive calcium titanate. The treated metals formed iodine-containing calcium-deficient calcium titanate with abundant Ti-OH groups on their surfaces. High-resolution XPS analysis revealed that the incorporated iodine ions were mainly positively charged. The surface treatment also induced a shift in the isoelectric point toward a higher pH, which indicated a prevalence of basic surface functionalities. The Ti loaded with 8.6% iodine slowly released 5.6 ppm of iodine over 90 days and exhibited strong antibacterial activity (reduction rate >99%) against methicillin-resistant Staphylococcus aureus (MRSA), S. aureus, Escherichia coli, and S. epidermidis. A long-term stability test of the antibacterial activity on MRSA showed that the treated Ti maintained a >99% reduction until 3 months, and then it gradually decreased after 6 months (to a 97.3% reduction). There was no cytotoxicity in MC3T3-E1 or L929 cells, whereas apatite formed on the treated metal in a simulated body fluid within 3 days. It is expected that the iodine-carrying Ti and its alloys will be particularly useful for orthopedic and dental implants since they reliably bond to bone and prevent infection owing to their apatite formation, cytocompatibility, and sustainable antibacterial activity.
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Affiliation(s)
- Seiji Yamaguchi
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto, Kasugai 487-8501, Aichi, Japan; (P.T.M.L.); (S.A.S.); (H.T.); (M.I.)
- Correspondence: ; Tel.: +81-568-51-6420; Fax: +81-568-51-5370
| | - Phuc Thi Minh Le
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto, Kasugai 487-8501, Aichi, Japan; (P.T.M.L.); (S.A.S.); (H.T.); (M.I.)
| | - Seine A. Shintani
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto, Kasugai 487-8501, Aichi, Japan; (P.T.M.L.); (S.A.S.); (H.T.); (M.I.)
| | - Hiroaki Takadama
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto, Kasugai 487-8501, Aichi, Japan; (P.T.M.L.); (S.A.S.); (H.T.); (M.I.)
| | - Morihiro Ito
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto, Kasugai 487-8501, Aichi, Japan; (P.T.M.L.); (S.A.S.); (H.T.); (M.I.)
| | - Sara Ferraris
- Politecnico di Torino, Corso Duca degli Abruzzi 24, Corso Duca degli Abruzzi 24, 10129 Torino, Italy; (S.F.); (S.S.)
| | - Silvia Spriano
- Politecnico di Torino, Corso Duca degli Abruzzi 24, Corso Duca degli Abruzzi 24, 10129 Torino, Italy; (S.F.); (S.S.)
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11
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Antimicrobial Properties of Strontium Functionalized Titanium Surfaces for Oral Applications, A Systematic Review. COATINGS 2021. [DOI: 10.3390/coatings11070810] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The aim of this systematic review was to assess the current scientific evidence of the antimicrobial potential of strontium (Sr) when used to functionalize titanium (Ti) for oral applications. Out of an initial list of 1081 potentially relevant publications identified in three electronic databases (MEDLINE via PubMed, Scopus, and Cochrane) up to 1 February 2021, nine publications based on in vitro studies met the inclusion criteria. The antimicrobial potential of Sr was investigated on different types of functionalized Ti substrates, employing different application methods. Nine studies reported on the early, i.e., 6–24 h, and two studies on the late, i.e., 7–28 days, antimicrobial effect of Sr, primarily against Staphylococcus aureus (S. aureus) and/or Escherichia coli (E. coli). Sr-modified samples demonstrated relevant early antimicrobial potential against S. aureus in three studies; only one of which presented statistical significance values, while the other two presented only the percentage of antimicrobial rate and biofilm inhibition. A relevant late biofilm inhibition potential against S. aureus of 40% and 10%—after 7 and 14 days, respectively—was reported in one study. Combining Sr with other metal ions, i.e., silver (Ag), zinc (Zn), and fluorine (F), demonstrated a significant antimicrobial effect and biofilm inhibition against both S. aureus and E. coli. Sr ion release within the first 24 h was generally low, i.e., below 50 µg/L and 0.6 ppm; however, sustained Sr ion release for up to 30 days, while maintaining up to 90% of its original content, was also demonstrated. Thus, in most studies included herein, Sr-functionalized Ti showed a limited immediate (i.e., 24 h) antimicrobial effect, likely due to a low Sr ion release; however, with an adequate Sr ion release, a relevant antimicrobial effect, as well as a biofilm inhibition potential against S. aureus—but not E. coli—was observed at both early and late timepoints. Future studies should assess the antimicrobial potential of Ti functionalized with Sr against multispecies biofilms associated with peri-implantitis.
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Zhu Y, Zheng T, Wen LM, Li R, Zhang YB, Bi WJ, Feng XJ, Qi MC. Osteogenic capability of strontium and icariin-loaded TiO 2 nanotube coatings in vitro and in osteoporotic rats. J Biomater Appl 2021; 35:1119-1131. [PMID: 33632004 DOI: 10.1177/0885328221997998] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Titanium (Ti) and Ti alloys are widely used biomaterials, but they lack osteogenic capability for rapid bone integration. To improve osseointegration of Ti implants, TiO2 nanotubes were prepared using the anodizing oxidation technique, and strontium (Sr) combined with icariin (ICA) was loaded on TiO2 nanotube coatings. Cell adhesion and proliferation of MC3T3-E1 cells, alkaline phosphatase (ALP) activity, mineralization of extracellular matrix, and bone formation around titanium implants in ovariectomized rats, were examined separately. The results showed that compared with pure Ti, TiO2 and Sr-loaded TiO2 coatings, the coatings loaded with both Sr and ICA showed better effect on cell adhesion and proliferation, higher ALP activity and more red-stained mineralized nodules. Furthermore, more bone was formed around implants loaded with both Sr and ICA in osteoporotic rats. Therefore, coating with Sr and ICA is valuable for clinical application to strengthen the osseointegration of titanium implants, especially in osteoporotic patients.
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Affiliation(s)
- Ye Zhu
- College of Stomatology, North China University of Science and Technology, Tangshan, China
| | - Tianxia Zheng
- College of Stomatology, North China University of Science and Technology, Tangshan, China
| | - Li-Ming Wen
- College of Stomatology, North China University of Science and Technology, Tangshan, China
| | - Ren Li
- College of Stomatology, North China University of Science and Technology, Tangshan, China
| | - Yan-Bo Zhang
- Chengde Medical College Affiliated Hospital, Chengde, China
| | - Wen-Juan Bi
- College of Stomatology, North China University of Science and Technology, Tangshan, China
| | - Xiao-Jie Feng
- College of Stomatology, North China University of Science and Technology, Tangshan, China
| | - Meng-Chun Qi
- College of Stomatology, North China University of Science and Technology, Tangshan, China
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