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Zhang X, Zhou W, Xi W. Advancements in incorporating metal ions onto the surface of biomedical titanium and its alloys via micro-arc oxidation: a research review. Front Chem 2024; 12:1353950. [PMID: 38456182 PMCID: PMC10917964 DOI: 10.3389/fchem.2024.1353950] [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: 12/11/2023] [Accepted: 01/31/2024] [Indexed: 03/09/2024] Open
Abstract
The incorporation of biologically active metallic elements into nano/micron-scale coatings through micro-arc oxidation (MAO) shows significant potential in enhancing the biological characteristics and functionality of titanium-based materials. By introducing diverse metal ions onto titanium implant surfaces, not only can their antibacterial, anti-inflammatory and corrosion resistance properties be heightened, but it also promotes vascular growth and facilitates the formation of new bone tissue. This review provides a thorough examination of recent advancements in this field, covering the characteristics of commonly used metal ions and their associated preparation parameters. It also highlights the diverse applications of specific metal ions in enhancing osteogenesis, angiogenesis, antibacterial efficacy, anti-inflammatory and corrosion resistance properties of titanium implants. Furthermore, the review discusses challenges faced and future prospects in this promising area of research. In conclusion, the synergistic approach of micro-arc oxidation and metal ion doping demonstrates substantial promise in advancing the effectiveness of biomedical titanium and its alloys, promising improved outcomes in medical implant applications.
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Affiliation(s)
- Xue’e Zhang
- Jiangxi Province Key Laboratory of Oral Biomedicine, School of Stomatology, Jiangxi Medical College, Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang University, Nanchang, China
| | - Wuchao Zhou
- Jiangxi Province Key Laboratory of Oral Biomedicine, The Affiliated Stomatological Hospital, Jiangxi Medical College, Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang University, Nanchang, China
| | - Weihong Xi
- Jiangxi Province Key Laboratory of Oral Biomedicine, The Affiliated Stomatological Hospital, Jiangxi Medical College, Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang University, Nanchang, China
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2
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Zhao Q, Ni Y, Wei H, Duan Y, Chen J, Xiao Q, Gao J, Yu Y, Cui Y, Ouyang S, Miron RJ, Zhang Y, Wu C. Ion incorporation into bone grafting materials. Periodontol 2000 2024; 94:213-230. [PMID: 37823468 DOI: 10.1111/prd.12533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 10/13/2023]
Abstract
The use of biomaterials in regenerative medicine has expanded to treat various disorders caused by trauma or disease in orthopedics and dentistry. However, the treatment of large and complex bone defects presents a challenge, leading to a pressing need for optimized biomaterials for bone repair. Recent advances in chemical sciences have enabled the incorporation of therapeutic ions into bone grafts to enhance their performance. These ions, such as strontium (for bone regeneration/osteoporosis), copper (for angiogenesis), boron (for bone growth), iron (for chemotaxis), cobalt (for B12 synthesis), lithium (for osteogenesis/cementogenesis), silver (for antibacterial resistance), and magnesium (for bone and cartilage regeneration), among others (e.g., zinc, sodium, and silica), have been studied extensively. This review aims to provide a comprehensive overview of current knowledge and recent developments in ion incorporation into biomaterials for bone and periodontal tissue repair. It also discusses recently developed biomaterials from a basic design and clinical application perspective. Additionally, the review highlights the importance of precise ion introduction into biomaterials to address existing limitations and challenges in combination therapies. Future prospects and opportunities for the development and optimization of biomaterials for bone tissue engineering are emphasized.
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Affiliation(s)
- Qin Zhao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Yueqi Ni
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Hongjiang Wei
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Yiling Duan
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Jingqiu Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Qi Xiao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Jie Gao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Yiqian Yu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Yu Cui
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Simin Ouyang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Richard J Miron
- Department of Periodontology, University of Bern, Bern, Switzerland
| | - Yufeng Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
- School of Medicine, Medical Research Institute, Wuhan University, Wuhan, China
| | - Chengtie Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
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Byeon SM, Bae TS, Lee MH, Ahn SG. Guided bone regeneration of calcium phosphate-coated and strontium ranelate-doped titanium mesh in a rat calvarial defect model. J Periodontal Implant Sci 2024; 54:54.e3. [PMID: 38290999 DOI: 10.5051/jpis.2303000150] [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: 06/19/2023] [Revised: 11/20/2023] [Accepted: 11/29/2023] [Indexed: 02/01/2024] Open
Abstract
PURPOSE When applied alone, titanium (Ti) mesh may not effectively block the penetration of soft tissues, resulting in insufficient new bone formation. This study aimed to confer bioactivity and improve bone regeneration by doping calcium phosphate (CaP) precipitation and strontium (Sr) ranelate onto a TiO2 nanotube (TNT) layer on the surface of a Ti mesh. METHODS The TNT layer was obtained by anodizing on the Ti mesh, and CaP was formed by cyclic pre-calcification. The final specimens were produced by doping with Sr ranelate. The surface properties of the modified Ti mesh were investigated using high-resolution field emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction. To evaluate the effects of surface treatment on cell viability, osteoblasts were cultured for 1-3 days, and their absorbance was subsequently measured. In an in vivo experiment, critical-size defects were created in rat calvaria (Ф=8 mm). After 5 weeks, the rats were sacrificed (n=4 per group) and bone blocks were taken for micro-computed tomography and histological analysis. RESULTS After immersing the Sr ranelate-doped Ti mesh in simulated body fluid, the protrusions observed in the initial stage of hydroxyapatite were precipitated as a dense structure. On day 3 of osteoblast culture, cell viability was significantly higher on the pre-calcified Sr ranelate-doped Ti mesh surface than on the untreated Ti mesh surface (P<0.05). In the in vivo experiment, a bony bridge formed between the surrounding basal bone and the new bone under the Sr ranelate-doped Ti mesh implanted in a rat calvarial defect, closing the defect. New bone mineral density (0.91±0.003 g/mm3) and bone volume (29.35±2.082 mm3) significantly increased compared to the other groups (P<0.05). CONCLUSIONS Cyclic pre-calcification of a Ti mesh with a uniform TNT layer increased bioactivity, and subsequent doping with Sr ranelate effectively improved bone regeneration in bone defects.
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Affiliation(s)
- Seon Mi Byeon
- Department of Dental Biomaterials, Institute of Biodegradable Materials, School of Dentistry, Jeonbuk National University, Jeonju, Korea
| | - Tae Sung Bae
- Department of Dental Biomaterials, Institute of Biodegradable Materials, School of Dentistry, Jeonbuk National University, Jeonju, Korea
| | - Min Ho Lee
- Department of Dental Biomaterials, Institute of Biodegradable Materials, School of Dentistry, Jeonbuk National University, Jeonju, Korea
| | - Seung Geun Ahn
- Department of Prosthodontics, School of Dentistry, Jeonbuk National University, Jeonju, Korea
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Korea.
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Wu N, Gao H, Wang X, Pei X. Surface Modification of Titanium Implants by Metal Ions and Nanoparticles for Biomedical Application. ACS Biomater Sci Eng 2023; 9:2970-2990. [PMID: 37184344 DOI: 10.1021/acsbiomaterials.2c00722] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Implant surface modification can improve osseointegration and reduce peri-implant inflammation. Implant surfaces are modified with metals because of their excellent mechanical properties and significant functions. Metal surface modification is divided into metal ions and nanoparticle surface modification. These two methods function by adding a finishing metal to the surface of the implant, and both play a role in promoting osteogenic, angiogenic, and antibacterial properties. Based on this, the nanostructural surface changes confer stronger antibacterial and cellular affinity to the implant surface. The current paper reviews the forms, mechanisms, and applications of nanoparticles and metal ion modifications to provide a foundation for the surface modification of implants.
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Affiliation(s)
- Nan Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Hongyu Gao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xu Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xibo Pei
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
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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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Yu D, Guo S, Yu M, Liu W, Li X, Chen D, Li B, Guo Z, Han Y. Immunomodulation and osseointegration activities of Na 2TiO 3 nanorods-arrayed coatings doped with different Sr content. Bioact Mater 2022; 10:323-334. [PMID: 34901549 PMCID: PMC8636710 DOI: 10.1016/j.bioactmat.2021.08.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/30/2021] [Accepted: 08/30/2021] [Indexed: 01/17/2023] Open
Abstract
To endow Ti-based orthopedic implants immunomodulatory capability and thus enhanced osseointegration, different amounts of Sr are doped in Na2TiO3 nanorods in the arrays with identical nanotopographic parameters (rod diameter, length and inter-rod spacing) by substitution of Na+ using hydrothermal treatment. The obtained arrays are denoted as STSr2, STSr4, and STSr7, where the arabic numbers indicate the incorporating amounts of Sr in Na2TiO3. The modulation effects of the Sr-doped nanorods arrays on macrophage polarization and osteogenetic functions of osteoblasts are investigated, together with the array without Sr (ST). Moreover, osseointegration of these arrays are also assayed in rat femoral condyles. Sr-doped nanorods arrays accelerate M1 (pro-inflammatory phenotype)-to-M2 (anti-inflammatory phenotype) transformation of the adhered macrophages, enhancing secretion of pro-osteogenetic cytokines and growth factors (TGF-β1 and BMP2), moreover, the Sr doped arrays directly enhance osteogenetic functions of osteoblasts. The enhancement of paracrine of M2 macrophages and osteogenetic function of osteoblasts is promoted with the increase of Sr incorporating amounts. Consequently, Sr doped arrays show significantly enhanced osseointegration in vivo compared to ST, and STSr7 exhibits the best performance. Our work sheds a new light on the design of surface chemical components and structures for orthopedic implants to enhance their osseointegration.
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Affiliation(s)
- Dongmei Yu
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China
| | - Shuo Guo
- Department of Orthopaedics, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi, China
- Department of Biomedical Engineering, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Meng Yu
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China
| | - Wenwen Liu
- Department of Orthopaedics, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi, China
| | - Xiaokang Li
- Department of Orthopaedics, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi, China
| | - Dafu Chen
- Laboratory of Bone Tissue Engineering, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Bo Li
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China
| | - Zheng Guo
- Department of Orthopaedics, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi, China
| | - Yong Han
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China
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Shen X, Fang K, Ru Yie KH, Zhou Z, Shen Y, Wu S, Zhu Y, Deng Z, Ma P, Ma J, Liu J. High proportion strontium-doped micro-arc oxidation coatings enhance early osseointegration of titanium in osteoporosis by anti-oxidative stress pathway. Bioact Mater 2021; 10:405-419. [PMID: 34901556 PMCID: PMC8636681 DOI: 10.1016/j.bioactmat.2021.08.031] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 08/24/2021] [Accepted: 08/27/2021] [Indexed: 02/07/2023] Open
Abstract
The excessive accumulation of reactive oxygen species (ROS) under osteoporosis precipitates a microenvironment with high levels of oxidative stress (OS). This could significantly interfere with the bioactivity of conventional titanium implants, impeding their early osseointegration with bone. We have prepared a series of strontium (Sr)-doped titanium implants via micro-arc oxidation (MAO) to verify their efficacy and differences in osteoinduction capabilities under normal and osteoporotic (high OS levels) conditions. Apart from the chemical composition, all groups exhibited similar physicochemical properties (morphology, roughness, crystal structure, and wettability). Among the groups, the low Sr group (Sr25%) was more conducive to osteogenesis under normal conditions. In contrast, by increasing the catalase (CAT)/superoxide dismutase (SOD) activity and decreasing ROS levels, the high Sr-doped samples (Sr75% and Sr100%) were superior to Sr25% in inducing osteogenic differentiation of MC3T3-E1 cells and the M2 phenotype polarization of RAW264.7 cells, thus enhancing early osseointegration. Furthermore, the results of both in vitro cell co-culture and in vivo studies also showed that the high Sr-doped samples (especially Sr100%) had positive effects on osteoimmunomodulation under the OS microenvironment. Ultimately, the collated findings indicated that the high proportion Sr-doped MAO coatings were more favorable for osteoporosis patients in implant restorations. First study on osteogenic difference of Sr-doped implants in normal and OS conditions. Low Sr-doped MAO coating displays optimal bioactivity in normal microenvironment. High Sr coating significantly enhances osteoimmunomodulation/osteoinduction under OS. High Sr sample resists OS damage by activating CAT/SOD and scavenging excess ROS. High Sr implant restorations are more favorable for osteoporosis patients.
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Affiliation(s)
- Xinkun Shen
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Kai Fang
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Kendrick Hii Ru Yie
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Zixin Zhou
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Yiding Shen
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Shuyi Wu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Yue Zhu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Zhennan Deng
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Pingping Ma
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Jianfeng Ma
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Jinsong Liu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
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Zhao QM, Li B, Yu FX, Li YK, Wu JS, Peng Z, He J, Han QS, Zhang LB, Yi L, Xu RS, Jiao Y. Cu-Co Co-Doped Microporous Coating on Titanium with Osteogenic and Antibacterial Properties. J Biomed Nanotechnol 2021; 17:1435-1447. [PMID: 34446146 DOI: 10.1166/jbn.2021.3120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Titanium (Ti) and its alloys are widely used in bone surgery by virtue of their excellent mechanical properties and good biocompatibility; however, complications such as loosening and sinking have been reported post-implantation. Herein we deposited a copper-cobalt (Cu-Co) co-doped titanium dioxide (TUO) coating on the surface of Ti implants by microarc oxidation. The osteogenic and antimicrobial properties of the coating were evaluated by in vitro experiments, and we also assessed β-catenin expression levels on different sample surfaces. Our results revealed that the coating promoted the adhesion, proliferation, and differentiation of MG63 osteoblasts, and TUO coating promoted β-catenin expression; moreover, the proliferation of Staphylococcus aureus was inhibited. To summarize, we report that Cu-Co co-doping can enhance the osteogenic and antibacterial activities of orthopedic Ti implants, leading to potentially improved clinical performance.
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Affiliation(s)
- Quan-Ming Zhao
- Department of Orthopaedics, Guizhou Provincial People's Hospital, Guiyang 550002, Guizhou, China
| | - Bo Li
- Department of Orthopaedics, Guizhou Provincial People's Hospital, Guiyang 550002, Guizhou, China
| | - Fu-Xun Yu
- NHC Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People's Hospital, Guiyang 550002, Guizhou, China
| | - Yan-Kun Li
- Department of Orthopaedics, Guizhou Provincial People's Hospital, Guiyang 550002, Guizhou, China
| | - Jie-Shi Wu
- Department of Orthopaedics, Affiliated Hospital of Jiangnan University (Wuxi Translational Medicine Center), Wuxi 214000, Jangsu, China
| | - Zhi Peng
- Department of Orthopaedics, Guizhou Provincial People's Hospital, Guiyang 550002, Guizhou, China
| | - Jie He
- NHC Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People's Hospital, Guiyang 550002, Guizhou, China
| | - Quan-Sheng Han
- Department of Orthopaedics, Guizhou Provincial People's Hospital, Guiyang 550002, Guizhou, China
| | - Lei-Bing Zhang
- Department of Orthopaedics, Guizhou Provincial People's Hospital, Guiyang 550002, Guizhou, China
| | - Lei Yi
- Department of Burn, Ruijin Hospital Affliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Rui-Sheng Xu
- Department of Orthopaedics, Affiliated Hospital of Jiangnan University (Wuxi Translational Medicine Center), Wuxi 214000, Jangsu, China
| | - Yang Jiao
- Department of Stomatology, The 7th Medical Center, Chinese PLA General Hospital, Beijing 100700, China
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9
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Three-Dimensional Printing of Hydroxyapatite Composites for Biomedical Application. CRYSTALS 2021. [DOI: 10.3390/cryst11040353] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hydroxyapatite (HA) and HA-based nanocomposites have been recognized as ideal biomaterials in hard tissue engineering because of their compositional similarity to bioapatite. However, the traditional HA-based nanocomposites fabrication techniques still limit the utilization of HA in bone, cartilage, dental, applications, and other fields. In recent years, three-dimensional (3D) printing has been shown to provide a fast, precise, controllable, and scalable fabrication approach for the synthesis of HA-based scaffolds. This review therefore explores available 3D printing technologies for the preparation of porous HA-based nanocomposites. In the present review, different 3D printed HA-based scaffolds composited with natural polymers and/or synthetic polymers are discussed. Furthermore, the desired properties of HA-based composites via 3D printing such as porosity, mechanical properties, biodegradability, and antibacterial properties are extensively explored. Lastly, the applications and the next generation of HA-based nanocomposites for tissue engineering are discussed.
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10
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Dai J, Fu Y, Chen D, Sun Z. A novel and injectable strontium-containing hydroxyapatite bone cement for bone substitution: A systematic evaluation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 124:112052. [PMID: 33947546 DOI: 10.1016/j.msec.2021.112052] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/03/2021] [Accepted: 03/16/2021] [Indexed: 12/12/2022]
Abstract
Reconstruction of bone defects is still a challenge. In this study, we developed and systematically evaluated a novel injectable strontium-containing hydroxyapatite (Sr-HA) bone cement in which Sr-HA powder included 5% Sr and was mixed with a setting liquid that included 5% potassium citrate. This Sr-HA cement was mainly composed of HA and α-tricalcium phosphate (TCP) and exhibited favorable injectability (100%), setting times (the initial setting time was 240 s and the final setting time was 420 s), compressive strength (73.4 MPa), maximal load and maximum bending stress, and excellent radiopacity. In addition, the Sr-HA cement also had excellent biocompatibility that exhibited low cytotoxicity for cell proliferation and no obvious disturbing effect on the osteogenic differentiation of periodontal ligament stem cells (DLSCs) and dental pulp stem cells (DPSCs). However, the Sr-HA cement could slightly promote the osteogenic differentiation of MC3T3 cells, which also implied that it would promote osseointegration between the cement and surrounding bone but would not obviously disturb the biological behavior of DLSCs and DPSCs. An in vivo study further confirmed that Sr-HA cement exhibited favorable osseointegration with the maxilla and tibia. All these findings implied that the novel Sr-HA cement was a suitable bone substitution for bone defects.
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Affiliation(s)
- Jiewen Dai
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China.
| | - Yuanfei Fu
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China.
| | - Demin Chen
- Biomaterials Research and Test Center, Shanghai Ninth People's Hospital, Shanghai JiaoTong University, School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China.
| | - Zhaoyao Sun
- Biomaterials Research and Test Center, Shanghai Ninth People's Hospital, Shanghai JiaoTong University, School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China.
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11
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Costa AI, Gemini-Piperni S, Alves AC, Costa NA, Checca NR, Leite PE, Rocha LA, Pinto AMP, Toptan F, Rossi AL, Ribeiro AR. TiO 2 bioactive implant surfaces doped with specific amount of Sr modulate mineralization. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 120:111735. [PMID: 33545878 DOI: 10.1016/j.msec.2020.111735] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 10/30/2020] [Accepted: 11/11/2020] [Indexed: 11/27/2022]
Abstract
One of the main problems that remain in the implant industry is poor osseointegration due to bioinertness of implants. In order to promote bioactivity, calcium (Ca), phosphorus (P) and strontium (Sr) were incorporated into a TiO2 porous layer produced by micro-arc oxidation. Ca and P as bioactive elements are already well reported in the literature, however, the knowledge of the effect of Sr is still limited. In the present work, the effect of various amounts of Sr was evaluated and the morphology, chemical composition and crystal structure of the oxide layer were investigated. Furthermore, in vitro studies were carried out using human osteoblast-like cells. The oxide layer formed showed a triplex structure, where higher incorporation of Sr increased Ca/P ratio, amount of rutile and promoted the formation of SrTiO3 compound. Biological tests revealed that lower concentrations of Sr did not compromise initial cell adhesion neither viability and interestingly improved mineralization. However, higher concentration of Sr (and consequent higher amount of rutile) showed to induce collagen secretion but with compromised mineralization, possibly due to a delayed mineralization process or induced precipitation of deficient hydroxyapatite. Ca-P-TiO2 porous layer with less concentration of Sr seems to be an ideal candidate for bone implants.
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Affiliation(s)
- A I Costa
- CMEMS-UMinho - Center of MicroElectroMechanical Systems, University of Minho, Guimarães, Portugal; DEMM - Department of Metallurgical and Materials Engineering, Faculty of Engineering of the University of Porto, Porto, Portugal.
| | - S Gemini-Piperni
- Postgraduate Program of Translational Biomedicine, University Grande Rio, Duque de Caxias, Brazil; IBTN/Br - Brazilian Branch of the Institute of Biomaterials, Tribocorrosion and Nanomedicine, São Paulo State University, Bauru, São Paulo, Brazil
| | - A C Alves
- CMEMS-UMinho - Center of MicroElectroMechanical Systems, University of Minho, Guimarães, Portugal
| | - N A Costa
- IBTN/Br - Brazilian Branch of the Institute of Biomaterials, Tribocorrosion and Nanomedicine, São Paulo State University, Bauru, São Paulo, Brazil; Postgraduate Program in Materials Science and Technology, São Paulo State University, Bauru, São Paulo, Brazil
| | - N R Checca
- CBPF - Brazilian Centre for Research in Physics, Rio de Janeiro, Brazil
| | - P E Leite
- Directory of Life Sciences Applied Metrology, National Institute of Metrology Quality and Technology, Xérem, Rio de Janeiro, Brazil; Postgraduate Program in Biotechnology, National Institute of Metrology Quality and Technology, Xérem, Rio de Janeiro, Brazil
| | - L A Rocha
- IBTN/Br - Brazilian Branch of the Institute of Biomaterials, Tribocorrosion and Nanomedicine, São Paulo State University, Bauru, São Paulo, Brazil; Faculty of Science, Department of Physics, São Paulo State University, Bauru, São Paulo, Brazil
| | - A M P Pinto
- CMEMS-UMinho - Center of MicroElectroMechanical Systems, University of Minho, Guimarães, Portugal; DEM - Department of Mechanical Engineering, University of Minho, Guimarães, Portugal
| | - F Toptan
- CMEMS-UMinho - Center of MicroElectroMechanical Systems, University of Minho, Guimarães, Portugal; IBTN/Br - Brazilian Branch of the Institute of Biomaterials, Tribocorrosion and Nanomedicine, São Paulo State University, Bauru, São Paulo, Brazil
| | - A L Rossi
- CBPF - Brazilian Centre for Research in Physics, Rio de Janeiro, Brazil
| | - A R Ribeiro
- Postgraduate Program of Translational Biomedicine, University Grande Rio, Duque de Caxias, Brazil; IBTN/Br - Brazilian Branch of the Institute of Biomaterials, Tribocorrosion and Nanomedicine, São Paulo State University, Bauru, São Paulo, Brazil; Postgraduate Program in Biotechnology, National Institute of Metrology Quality and Technology, Xérem, Rio de Janeiro, Brazil
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12
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Electrodeposited Hydroxyapatite-Based Biocoatings: Recent Progress and Future Challenges. COATINGS 2021. [DOI: 10.3390/coatings11010110] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Hydroxyapatite has become an important coating material for bioimplants, following the introduction of synthetic HAp in the 1950s. The HAp coatings require controlled surface roughness/porosity, adequate corrosion resistance and need to show favorable tribological behavior. The deposition rate must be sufficiently fast and the coating technique needs to be applied at different scales on substrates having a diverse structure, composition, size, and shape. A detailed overview of dry and wet coating methods is given. The benefits of electrodeposition include controlled thickness and morphology, ability to coat a wide range of component size/shape and ease of industrial processing. Pulsed current and potential techniques have provided denser and more uniform coatings on different metallic materials/implants. The mechanism of HAp electrodeposition is considered and the effect of operational variables on deposit properties is highlighted. The most recent progress in the field is critically reviewed. Developments in mineral substituted and included particle, composite HAp coatings, including those reinforced by metallic, ceramic and polymeric particles; carbon nanotubes, modified graphenes, chitosan, and heparin, are considered in detail. Technical challenges which deserve further research are identified and a forward look in the field of the electrodeposited HAp coatings is taken.
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13
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Barbosa JS, Mendes RF, Figueira F, Gaspar VM, Mano JF, Braga SS, Rocha J, Almeida Paz FA. Bone Tissue Disorders: Healing Through Coordination Chemistry. Chemistry 2020; 26:15416-15437. [DOI: 10.1002/chem.202004529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/03/2020] [Indexed: 12/17/2022]
Affiliation(s)
- Jéssica S. Barbosa
- Department of Chemistry, CICECO—Aveiro Institute of Materials University of Aveiro 3810-193 Aveiro Portugal
- Department of Chemistry LAQV-REQUIMTE University of Aveiro 3810-193 Aveiro Portugal
| | - Ricardo F. Mendes
- Department of Chemistry, CICECO—Aveiro Institute of Materials University of Aveiro 3810-193 Aveiro Portugal
| | - Flávio Figueira
- Department of Chemistry, CICECO—Aveiro Institute of Materials University of Aveiro 3810-193 Aveiro Portugal
| | - Vítor M. Gaspar
- Department of Chemistry, CICECO—Aveiro Institute of Materials University of Aveiro 3810-193 Aveiro Portugal
| | - João F. Mano
- Department of Chemistry, CICECO—Aveiro Institute of Materials University of Aveiro 3810-193 Aveiro Portugal
| | - Susana S. Braga
- Department of Chemistry LAQV-REQUIMTE University of Aveiro 3810-193 Aveiro Portugal
| | - João Rocha
- Department of Chemistry, CICECO—Aveiro Institute of Materials University of Aveiro 3810-193 Aveiro Portugal
| | - Filipe A. Almeida Paz
- Department of Chemistry, CICECO—Aveiro Institute of Materials University of Aveiro 3810-193 Aveiro Portugal
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14
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In Vivo Assessment of Bone Enhancement in the Case of 3D-Printed Implants Functionalized with Lithium-Doped Biological-Derived Hydroxyapatite Coatings: A Preliminary Study on Rabbits. COATINGS 2020. [DOI: 10.3390/coatings10100992] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We report on biological-derived hydroxyapatite (HA, of animal bone origin) doped with lithium carbonate (Li-C) and phosphate (Li-P) coatings synthesized by pulsed laser deposition (PLD) onto Ti6Al4V implants, fabricated by the additive manufacturing (AM) technique. After being previously validated by in vitro cytotoxicity tests, the Li-C and Li-P coatings synthesized onto 3D Ti implants were preliminarily investigated in vivo, by insertion into rabbits’ femoral condyles. The in vivo experimental model for testing the extraction force of 3D metallic implants was used for this study. After four and nine weeks of implantation, all structures were mechanically removed from bones, by tensile pull-out tests, and coatings’ surfaces were investigated by scanning electron microscopy. The inferred values of the extraction force corresponding to functionalized 3D implants were compared with controls. The obtained results demonstrated significant and highly significant improvement of functionalized implants’ attachment to bone (p-values ≤0.05 and ≤0.00001), with respect to controls. The correct placement and a good integration of all 3D-printed Ti implants into the surrounding bone was demonstrated by performing computed tomography scans. This is the first report in the dedicated literature on the in vivo assessment of Li-C and Li-P coatings synthesized by PLD onto Ti implants fabricated by the AM technique. Their improved mechanical characteristics, along with a low fabrication cost from natural, sustainable resources, should recommend lithium-doped biological-derived materials as viable substitutes of synthetic HA for the fabrication of a new generation of metallic implant coatings.
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15
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Huang CH, Yoshimura M. Direct ceramic coating of calcium phosphate doped with strontium via reactive growing integration layer method on α-Ti alloy. Sci Rep 2020; 10:10602. [PMID: 32606394 PMCID: PMC7327056 DOI: 10.1038/s41598-020-67332-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 05/28/2020] [Indexed: 11/14/2022] Open
Abstract
A strontium (Sr)-doped hydroxyapatite-like coating was deposited on α-Ti alloy via the growing integration layer (GIL) method at various applied voltages. We added 0.03 M strontium hydroxide (Sr(OH)2·8H2O) to a solution containing calcium acetate and sodium dihydrogen phosphate to produce Sr-doped hydroxyapatite (Sr-HA) coatings. The scanning electron microscope (SEM) images of these coatings showed that all various features, such as average pore size, coating thickness, micro-hardness, and roughness, were similar to those of HA. As the voltage increased from 250 to 300 V, the amount of micro cracks decreased, and there were eliminated at 350 V. The SEM images also showed that the Sr-HA coatings were closely integrated with the alloy: without any gaps between the oxide layers and the alloy. In addition, energy-dispersive X-ray spectroscopy verified the Sr integration from the bottom up. X-ray diffraction patterns confirmed Sr-HA formation instead of calcium phosphate, even at the lowest voltage of 250 V. The value of Ecorr increased by 6.6% after raising the voltage from 250 to 350 V. The electrochemical impedance spectroscopy analysis confirmed that the adequate corrosion resistance of Sr-HA coatings, especially at the highest voltage of 350 V. In addition, the GIL treatment increased the layer resistance measured by Rp/Rc. Optimally, the GIL method used the highest voltage of 350 V to produce higher quality of Sr-HA-rich coatings.
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Affiliation(s)
| | - Masahiro Yoshimura
- Hierarchical Green-Energy Materials (Hi-GEM) Research Center, Department of Material Science and Engineering, National Cheng Kung University, No. 1, University Road, Tainan, Taiwan.
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16
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Phosphate Porous Coatings Enriched with Selected Elements via PEO Treatment on Titanium and Its Alloys: A Review. MATERIALS 2020; 13:ma13112468. [PMID: 32481746 PMCID: PMC7321118 DOI: 10.3390/ma13112468] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 05/20/2020] [Accepted: 05/26/2020] [Indexed: 12/12/2022]
Abstract
This paper shows that the subject of porous coatings fabrication by Plasma Electrolytic Oxidation (PEO), known also as Micro Arc Oxidation (MAO), is still current, inter alia because metals and alloys, which can be treated by the PEO method, for example, titanium, niobium, tantalum and their alloys, are increasingly available for sale. On the international market, apart from scientific works/activity developed at universities, scientific research on the PEO coatings is also underway in companies such as Keronite (Great Britain), Magoxid-Coat (Germany), Mofratech (France), Machaon (Russia), as well as CeraFuse, Tagnite, Microplasmic (USA). In addition, it should be noted that the development of the space industry and implantology will force the production of trouble-free micro- and macro-machines with very high durability. Another aspect in favor of this technique is the rate of part treatment, which does not exceed several dozen minutes, and usually only lasts a few minutes. Another advantage is functionalization of fabricated surface through thermal or hydrothermal modification of fabricated coatings, or other methods (Physical vapor deposition (PVD), chemical vapor deposition (CVD), sol-gel), including also reoxidation by PEO treatment in another electrolyte. In the following chapters, coatings obtained both in aqueous solutions and electrolytes based on orthophosphoric acid will be presented; therein, dependent on the PEO treatment and the electrolyte used, they are characterized by different properties associated with their subsequent use. The possibilities for using coatings produced by means of plasma electrolytic oxidation are very wide, beginning from various types of catalysts, gas sensors, to biocompatible and antibacterial coatings, as well as hard wear coatings used in machine parts, among others, used in the aviation and aerospace industries.
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17
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Characterization and cytocompatibility of hierarchical porous TiO2 coatings incorporated with calcium and strontium by one-step micro-arc oxidation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 109:110610. [DOI: 10.1016/j.msec.2019.110610] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 12/18/2019] [Accepted: 12/26/2019] [Indexed: 12/22/2022]
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18
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Rothe R, Schulze S, Neuber C, Hauser S, Rammelt S, Pietzsch J. Adjuvant drug-assisted bone healing: Part III - Further strategies for local and systemic modulation. Clin Hemorheol Microcirc 2020; 73:439-488. [PMID: 31177207 DOI: 10.3233/ch-199104] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In this third in a series of reviews on adjuvant drug-assisted bone healing, further approaches aiming at influencing the healing process are discussed. Local and systemic modulation of bone metabolism is pursued with use of a number of drugs with completely different indications, which are characterized by a pleiotropic spectrum of action. These include drugs used to treat lipid disorders (HMG-CoA reductase inhibitors), hypertension (ACE inhibitors), osteoporosis (bisphosphonates), cancer (proteasome inhibitors) and others. Potential applications to enhance bone healing are discussed.
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Affiliation(s)
- Rebecca Rothe
- Department of Radiopharmaceutical and Chemical Biology, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Radiopharmaceutical Cancer Research, Dresden, Germany
| | - Sabine Schulze
- University Center of Orthopaedics and Traumatology (OUC), University Hospital Carl Gustav Carus, Dresden, Germany.,Center for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Christin Neuber
- Department of Radiopharmaceutical and Chemical Biology, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Radiopharmaceutical Cancer Research, Dresden, Germany
| | - Sandra Hauser
- Department of Radiopharmaceutical and Chemical Biology, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Radiopharmaceutical Cancer Research, Dresden, Germany
| | - Stefan Rammelt
- University Center of Orthopaedics and Traumatology (OUC), University Hospital Carl Gustav Carus, Dresden, Germany.,Center for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany.,Center for Regenerative Therapies Dresden (CRTD), Tatzberg 4, Dresden
| | - Jens Pietzsch
- Department of Radiopharmaceutical and Chemical Biology, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Radiopharmaceutical Cancer Research, Dresden, Germany.,Technische Universität Dresden, School of Science, Faculty of Chemistry and Food Chemistry, Dresden, Germany
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19
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Schmidt R, Gebert A, Schumacher M, Hoffmann V, Voss A, Pilz S, Uhlemann M, Lode A, Gelinsky M. Electrodeposition of Sr-substituted hydroxyapatite on low modulus beta-type Ti-45Nb and effect on in vitro Sr release and cell response. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 108:110425. [DOI: 10.1016/j.msec.2019.110425] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 10/23/2019] [Accepted: 11/11/2019] [Indexed: 01/03/2023]
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20
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Baştan FE. Fabrication and characterization of an electrostatically bonded PEEK- hydroxyapatite composites for biomedical applications. J Biomed Mater Res B Appl Biomater 2020; 108:2513-2527. [PMID: 32052943 DOI: 10.1002/jbm.b.34583] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 01/09/2020] [Accepted: 02/02/2020] [Indexed: 12/18/2022]
Abstract
In this study, it was aimed to produce electrostatically induced polyetheretherketone (PEEK) and strontium substituted hydroxyapatite (SrHA) composites. SrHA nanoparticles (5 and 10 vol%) were introduced in the PEEK matrix to increase its mechanical properties and osseointegration. In order to disperse and homogeneously distribute the nanoparticles within the matrix, an electrostatic bond was developed between the PEEK and nanoparticles by wet processing through the attraction of the oppositely charged particles. Particles were pressed and sintered according to the Taguchi Design of experiments (DoE) array. The effects of SrHA reinforcement, sintering temperature and time on the density, crystallinity and crystallite sizes were determined with density test, DSC and XRD, respectively. The disks were also analyzed via SEM, FTIR, compression, microhardness, and nanoindentation tests and were immersed into the simulated body fluid (SBF). The composites produced from electrostatically induced powders presented a homogenous microstructure as SEM analysis illustrated the homogenous dispersion and distribution of the SrHA nanoparticles. The SrHA nanoparticles decreased the relative density and crystallinity of the composite, whereas, the rise in the sintering temperature and time enhanced the relative density, according to the DoE results. SrHA reinforcement improved the reduced modulus and nanoindentation hardness of the PEEK (348.47 MPa, 5.97 GPa) to 392.02 MPa and 6.65 GPa, respectively. SrHA promoted the bioactivity of the composite: an apatite layer covered the surface of PEEK/10SrHA composite after 14 days incubation. These promising results suggest that the electrostatically bonded composite powders would be used to produce homogenous PEEK based bioactive composites.
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Affiliation(s)
- Fatih Erdem Baştan
- Sakarya University, Engineering Faculty, Department of Metallurgy and Materials Engineering, Thermal Spray Research and Development Laboratory, Esentepe-Sakarya, Turkey
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21
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Nguyen TDT, Jang YS, Kim YK, Kim SY, Lee MH, Bae TS. Osteogenesis-Related Gene Expression and Guided Bone Regeneration of a Strontium-Doped Calcium-Phosphate-Coated Titanium Mesh. ACS Biomater Sci Eng 2019; 5:6715-6724. [PMID: 33423489 DOI: 10.1021/acsbiomaterials.9b01042] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Guided bone regeneration using a perforated titanium membrane is actively used in oral and orthopedic surgeries to provide space for the subsequent filling of a new bone in the case of bone defects and to achieve proper bone augmentation and reconstruction. The surface modification of a titanium membrane using a strontium-substituted calcium phosphate coating has become a popular trend to provide better bioactivity and biocompatibility on the membrane for improving the bone regeneration because strontium can stimulate not only the differentiation of osteoblasts but also inhibit the differentiation of osteoclasts. The strontium-doped calcium phosphate coating on the titanium mesh was formed by the cyclic precalcification method, and its effects on bone regeneration were evaluated by in vitro analysis of osteogenesis-related gene expression and in vivo evaluation of osteogenesis of the titanium mesh using the rat calvarial defect model in this study. It was identified that the strontium-doped calcium phosphate-treated mesh showed a higher expression of all genes related to osteogenesis in the osteoblast cells and resulted in new bone formation with better osseointegration with the mesh in the rat calvarial defect, in comparison with the results of untreated and calcium phosphate-treated meshes.
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Affiliation(s)
- Thuy-Duong Thi Nguyen
- Faculty of Odonto-Stomatology, Hue University of Medicine and Pharmacy, Hue University, 06 Ngo Quyen Street, Hue City, Thua Thien Hue 530000, Vietnam
| | - Yong-Seok Jang
- Department of Dental Biomaterials and Institute of Biodegradable Material, Institute of Oral Bioscience, BK21 Plus Project, School of Dentistry, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, South Korea
| | - Yu-Kyoung Kim
- Department of Dental Biomaterials and Institute of Biodegradable Material, Institute of Oral Bioscience, BK21 Plus Project, School of Dentistry, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, South Korea
| | - Seo-Young Kim
- Department of Dental Biomaterials and Institute of Biodegradable Material, Institute of Oral Bioscience, BK21 Plus Project, School of Dentistry, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, South Korea
| | - Min-Ho Lee
- Department of Dental Biomaterials and Institute of Biodegradable Material, Institute of Oral Bioscience, BK21 Plus Project, School of Dentistry, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, South Korea
| | - Tae-Sung Bae
- Department of Dental Biomaterials and Institute of Biodegradable Material, Institute of Oral Bioscience, BK21 Plus Project, School of Dentistry, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, South Korea
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22
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Lin G, Zhou C, Lin M, Xu A, He F. Strontium‐incorporated titanium implant surface treated by hydrothermal reactions promotes early bone osseointegration in osteoporotic rabbits. Clin Oral Implants Res 2019; 30:777-790. [PMID: 31104360 DOI: 10.1111/clr.13460] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 04/27/2019] [Accepted: 05/07/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Guofen Lin
- Department of General Dentistry, The Affiliated Stomatology Hospital, School of Medicine Zhejiang University Hangzhou China
| | - Chuan Zhou
- Department of Prosthodontics, The Affiliated Stomatology Hospital, School of Medicine Zhejiang University Hangzhou China
| | - Mengna Lin
- Department of Prosthodontics, The Affiliated Stomatology Hospital, School of Medicine Zhejiang University Hangzhou China
| | - Antian Xu
- Department of Prosthodontics, The Affiliated Stomatology Hospital, School of Medicine Zhejiang University Hangzhou China
| | - Fuming He
- Department of Prosthodontics, The Affiliated Stomatology Hospital, School of Medicine Zhejiang University Hangzhou China
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23
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Li J, Liu X, Park S, Miller AL, Terzic A, Lu L. Strontium-substituted hydroxyapatite stimulates osteogenesis on poly(propylene fumarate) nanocomposite scaffolds. J Biomed Mater Res A 2019; 107:631-642. [PMID: 30422387 PMCID: PMC7224963 DOI: 10.1002/jbm.a.36579] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 10/09/2018] [Accepted: 11/05/2018] [Indexed: 12/11/2022]
Abstract
Incorporation of hydroxyapatite (HA) into polymer networks is a promising strategy to enhance the mechanical properties and osteoinductivity of the composite scaffolds for bone tissue engineering. In this study, we designed a group of nanocomposite scaffolds based on cross-linkable poly(propylene fumarate) (PPF) and 30 wt % strontium-hydroxyapatite (Sr-HA) nanoparticles. Four different Sr contents [Sr:(Sr + Ca), molar ratio] in the Sr-HA particles were studied: 0% (HA), 5% (Sr5-HA), 10% (Sr10-HA), and 20% (Sr20-HA). Two-dimensional (2D) disks were prepared using a thermal crosslinking method. The structure and surface morphology of different Sr-HA and PPF/Sr-HA composites were characterized using scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), transmission electron microscopy (TEM), and atomic force microscopy (AFM). To detect cellular responses in vitro, MC3T3-E1 cells were seeded and cultured on the different PPF/Sr-HA composite disks. Cell morphology after 24 h and 5 days were imaged using Live/Dead live cell staining and SEM, respectively. Cell proliferation was quantified using an MTS assay at 1, 4, and 7 days. Osteogenic differentiation of the cells was examined by alkaline phosphatase (ALP) staining at 10 days and quantified using ALP activity and osteocalcin assays at 7, 14, and 21 days. The sizes of the HA, Sr5-HA, Sr10-HA, and Sr20-HA particles were mainly between 10 × 20 nm and 10 × 250 nm, and these nanoparticles were dispersed or clustered in the composite scaffolds. in vitro cell studies showed that the PPF/Sr10-HA scaffold was significantly better than the other three groups (PPF/HA, PPF/Sr5-HA, and PPF/Sr20-HA) in supporting MC3T3-E1 cell adhesion, proliferation, and differentiation. PPF/Sr10-HA may, therefore, serve as a promising scaffold material for bone tissue engineering. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 107A: 631-642, 2019.
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Affiliation(s)
- Jingfeng Li
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, USA
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota 55905, USA
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, China
| | - Xifeng Liu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, USA
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Sungjo Park
- Department of Cardiovascular Diseases and Center for Regenerative Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - A. Lee Miller
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Andre Terzic
- Department of Cardiovascular Diseases and Center for Regenerative Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Lichun Lu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, USA
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota 55905, USA
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24
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Chen X, Chen Y, Shen J, Xu J, Zhu L, Gu X, He F, Wang H. Positive modulation of osteogenesis on a titanium oxide surface incorporating strontium oxide: An in vitro and in vivo study. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 99:710-718. [PMID: 30889744 DOI: 10.1016/j.msec.2019.02.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Revised: 01/15/2019] [Accepted: 02/04/2019] [Indexed: 02/06/2023]
Abstract
Surface chemistry and topography can determinatively affect the osseointegration of dental implants. Strontium (Sr) has a significant effect on the promotion of bone formation and inhibitation of bone resorption. The emphasis of this study lies on the evaluation of a new surface treatment that aims to improve the early osseointegration of dental implantation both in vitro and in vivo. A hydrothermal method was used to prepare an SrTiO3 incorporation on sandblasted large-grit double acid-etched (SLA) titanium surfaces in SrCl2 solution. The composition and morphology of the SrTiO3 doped surface were analyzed by X-ray diffraction, X-ray photoelectron spectroscopy,and scanning electron microscopy. In addition, the external release figure of Sr was examined by inductively coupled plasma mass spectrometry. The proliferation, adhesion and differentiation of MC3T3-E1 cells on this surface were evaluated in vitro and presented a significant increase in SLA-Sr group compared with that in SLA group. An in vivo study in 24 New Zealand rabbits indicated a remarkable growth in the volume of direct bone-to-implant contact and peri-implant bone in SLA-Sr group, which were compared with SLA group after 3 and 6 weeks, and removal torque tests exhibited a higher torque removal value of SLA-Sr implants. The study gave the result that the biological effect of SLA-Sr implants was significantly superior to that of the SLA implants at the early stage of osseointegration.
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Affiliation(s)
- Xiaoyi Chen
- Department of Oral Implantology, The Affiliated Stomatology Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Yun Chen
- Department of oral Implantology, Xiamen Stomatology Hospital, Xiamen 361003, China
| | - Jianwei Shen
- Department of Oral Implantology, The Affiliated Stomatology Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Junhua Xu
- Oral Medical Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Liqin Zhu
- Oral Medical Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Xinhua Gu
- Oral Medical Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Fuming He
- Department of Oral Implantology, The Affiliated Stomatology Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China.
| | - Huiming Wang
- Department of Oral Implantology, The Affiliated Stomatology Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China.
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25
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Gu X, Lin W, Li D, Guo H, Li P, Fan Y. Degradation and biocompatibility of a series of strontium substituted hydroxyapatite coatings on magnesium alloys. RSC Adv 2019; 9:15013-15021. [PMID: 35516316 PMCID: PMC9064257 DOI: 10.1039/c9ra02210d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 05/04/2019] [Indexed: 01/28/2023] Open
Abstract
Sr-HA coatings could simply improve the degradation and osteoblast response of Mg in a Sr-dose dependent manner.
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Affiliation(s)
- Xuenan Gu
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100191
- China
- Beijing Advanced Innovation Centre for Biomedical Engineering
| | - Wenting Lin
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100191
- China
| | - Dan Li
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100191
- China
| | - Hongmei Guo
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100191
- China
| | - Ping Li
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100191
- China
- Beijing Advanced Innovation Centre for Biomedical Engineering
| | - Yubo Fan
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100191
- China
- Beijing Advanced Innovation Centre for Biomedical Engineering
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26
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Zhou R, Han Y, Cao J, Li M, Jin G, Du Y, Luo H, Yang Y, Zhang L, Su B. Enhanced Osseointegration of Hierarchically Structured Ti Implant with Electrically Bioactive SnO 2-TiO 2 Bilayered Surface. ACS APPLIED MATERIALS & INTERFACES 2018; 10:30191-30200. [PMID: 30130089 DOI: 10.1021/acsami.8b10928] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The poor osseointegration of Ti implant significantly compromise its application in load-bearing bone repair and replacement. Electrically bioactive coating inspirited from heterojunction on Ti implant can benefit osseointegration but cannot avoid the stress shielding effect between bone and implant. To resolve this conflict, hierarchically structured Ti implant with electrically bioactive SnO2-TiO2 bilayered surface has been developed to enhance osseointegration. Benefiting from the electric cue offered by the built-in electrical field of SnO2-TiO2 heterojunction and the topographic cue provided by the hierarchical surface structure to bone regeneration, the osteoblastic function of basic multicellular units around the implant is significantly improved. Because the individual TiO2 or SnO2 coating with uniform surface exhibits no electrical bioactivity, the effects of electric and topographic cues to osseointegration have been decoupled via the analysis of in vivo performance for the placed Ti implant with different surfaces. The developed Ti implant shows significantly improved osseointegration with excellent bone-implant contact, improved mineralization of extracellular matrix, and increased push-out force. These results suggest that the synergistic strategy of combing electrical bioactivity with hierarchical surface structure provides a new platform for developing advanced endosseous implants.
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Affiliation(s)
- Rui Zhou
- Bristol Dental School , University of Bristol , Bristol BS1 2LY , U.K
| | | | - Jianyun Cao
- School of Materials , University of Manchester , Manchester M13 9PL , U.K
| | - Ming Li
- Honghui Hospital , Xi'an Jiaotong University College of Medicine , Xi'an 710054 , P. R. China
| | | | - Yuzhou Du
- School of Materials Science and Engineering , Xi'an University of Technology , Xi'an 710048 , P. R. China
| | | | | | | | - Bo Su
- Bristol Dental School , University of Bristol , Bristol BS1 2LY , U.K
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27
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Nanorod diameter modulated osteogenic activity of hierarchical micropore/nanorod-patterned coatings via a Wnt/β-catenin pathway. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:1719-1731. [DOI: 10.1016/j.nano.2018.04.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Revised: 03/27/2018] [Accepted: 04/09/2018] [Indexed: 01/16/2023]
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28
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Berglund IS, Dirr EW, Ramaswamy V, Allen JB, Allen KD, Manuel MV. The effect of Mg-Ca-Sr alloy degradation products on human mesenchymal stem cells. J Biomed Mater Res B Appl Biomater 2018; 106:697-704. [PMID: 28323384 PMCID: PMC5811831 DOI: 10.1002/jbm.b.33869] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 01/12/2017] [Accepted: 02/13/2017] [Indexed: 11/12/2022]
Abstract
Biodegradable Mg alloys have the potential to replace currently used metallic medical implant devices, likely eliminating toxicity concerns and the need for secondary surgeries, while also providing a potentially stimulating environment for tissue growth. A recently developed Mg-Ca-Sr alloy possesses advantageous characteristics over other Mg alloys, having a good combination of strength and degradation behavior, while also displaying potentially osteogenic properties. To better understand the effect of alloy degradation products on cellular mechanisms, in vitro studies using human bone marrow-derived mesenchymal stem cells were conducted. Ionic products of alloy dissolution were found to be nontoxic but changed the proliferation profile of stem cells. Furthermore, their presence changed the progress of osteogenic development, while concentrations of Mg in particular appeared to induce stem cell differentiation. The work presented herein provides a foundation for future alloy design where structures can be tailored to obtain specific implant performance. These potentially bioactive implants would reduce the risks for patients by shortening their healing time, minimizing discomfort and toxicity concerns, while reducing hospital costs. © 2017 The Authors Journal of Biomedical Materials Research Part B: Applied Biomaterials Published by Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 697-704, 2018.
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Affiliation(s)
- Ida S. Berglund
- Department of Materials Science and EngineeringUniversity of FloridaGainesvilleFlorida32611
| | - Elliott W. Dirr
- Department of Biomedical EngineeringUniversity of FloridaGainesvilleFlorida32611
| | - Vidhya Ramaswamy
- Department of Materials Science and EngineeringUniversity of FloridaGainesvilleFlorida32611
| | - Josephine B. Allen
- Department of Materials Science and EngineeringUniversity of FloridaGainesvilleFlorida32611
- Institute of Cell and Tissue Science and Engineering, University of FloridaGainesvilleFlorida32611
| | - Kyle D. Allen
- Department of Biomedical EngineeringUniversity of FloridaGainesvilleFlorida32611
| | - Michele V. Manuel
- Department of Materials Science and EngineeringUniversity of FloridaGainesvilleFlorida32611
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Sato N, Isomura M, Kawai R, Yoshida W, Sugita Y, Kubo K, Funato A, Ueno N, Jinno M, Maeda H. Osteogenic Potential of Rat Dental Pulp-Derived Cells on Titanium Surfaces. J HARD TISSUE BIOL 2018. [DOI: 10.2485/jhtb.27.315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Nobuaki Sato
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
| | - Madoka Isomura
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
| | - Ryoko Kawai
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
- Research Institute of Advanced Oral Science, Graduate School of Dentistry, Aichi Gakuin University
| | - Waka Yoshida
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
- Research Institute of Advanced Oral Science, Graduate School of Dentistry, Aichi Gakuin University
| | - Yoshihiko Sugita
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
- Research Institute of Advanced Oral Science, Graduate School of Dentistry, Aichi Gakuin University
| | - Katsutoshi Kubo
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
- Research Institute of Advanced Oral Science, Graduate School of Dentistry, Aichi Gakuin University
| | - Akiyoshi Funato
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
| | - Noriyuki Ueno
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
| | - Masato Jinno
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
| | - Hatsuhiko Maeda
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
- Research Institute of Advanced Oral Science, Graduate School of Dentistry, Aichi Gakuin University
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30
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Zhou R, Han Y, Cao J, Li M, Jin G, Luo H, Zhang L, Su B. Electrically bioactive coating on Ti with bi-layered SnO2–TiO2 hetero-structure for improving osteointegration. J Mater Chem B 2018; 6:3989-3998. [DOI: 10.1039/c8tb00709h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
SnO2–TiO2 surface with the bi-layered structure on Ti provides internal electric stimulation to promote osteointegration of implant.
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Affiliation(s)
- Rui Zhou
- State Key Laboratory for Mechanical Behavior of Materials
- Xi’an Jiaotong University
- Xi’an 710049
- P. R. China
- Bristol Dental School
| | - Yong Han
- State Key Laboratory for Mechanical Behavior of Materials
- Xi’an Jiaotong University
- Xi’an 710049
- P. R. China
| | - Jianyun Cao
- School of Materials
- University of Manchester
- Manchester M13 9PL
- UK
| | - Ming Li
- Honghui Hospital
- Xi’an Jiaotong University College of Medicine
- Xi’an 710054
- P. R. China
| | - Guorui Jin
- Bioinspired Engineering and Biomechanics Center
- Xi’an Jiaotong University
- Xi’an 710049
- P. R. China
| | - Haoteng Luo
- State Key Laboratory for Mechanical Behavior of Materials
- Xi’an Jiaotong University
- Xi’an 710049
- P. R. China
| | - Lizhai Zhang
- State Key Laboratory for Mechanical Behavior of Materials
- Xi’an Jiaotong University
- Xi’an 710049
- P. R. China
| | - Bo Su
- Bristol Dental School
- University of Bristol
- Bristol BS1 2LY
- UK
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31
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Effect of titanium implants with strontium incorporation on bone apposition in animal models: A systematic review and meta-analysis. Sci Rep 2017; 7:15563. [PMID: 29138499 PMCID: PMC5686172 DOI: 10.1038/s41598-017-15488-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 10/27/2017] [Indexed: 01/07/2023] Open
Abstract
This systematic review aims to assess the efficacy of titanium (Ti) implant surfaces with or without strontium (Sr) incorporation on osseointegration in animal experimental studies. An electronic search was conducted using databases of PubMed and EMBASE up to November 2016 to identify studies focusing on osseointegration of strontium-modified titanium implants following PRISMA criteria. The primary outcome was the percentage of bone-to-implant contact (BIC) around the implants with or without strontium-modified surface. Of the 1320 studies, 17 studies fulfilling the inclusion criteria were finally included. A random effect meta-analysis was conducted based on BIC in 17 studies, and the results demonstrated considerable heterogeneity (I² = 79%). A sensitivity analysis found that three studies using the same surface modification method were the major source of the heterogeneity. Therefore, exploratory subgroup analysis was performed. Subgroup one including 14 studies showed a standard mean differences (SMD) of 1.42 (95% CI, 1.13-1.71) with no heterogeneity (I² = 0.0%), while subgroup two including the other three studies showed a SMD of 9.49.95% CI, 7.51-11.47) with low heterogeneity (I² = 0.1%). Sr-modified implants in both subgroups showed significantly higher BIC than unmodified implants (P < 0.01). The results showed a statistically significant effect of Sr-modified titanium implant surfaces on osseointegration and bone apposition in animal models.
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32
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Huanhuan J, Pengjie H, Sheng X, Binchen W, Li S. The effect of strontium-loaded rough titanium surface on early osseointegration. J Biomater Appl 2017; 32:561-569. [PMID: 29022842 DOI: 10.1177/0885328217735953] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
It is not clear whether surface bioactive chemistry plays an important role in the early osseointegration of micro-structured titanium implants that have the same surface topography at the micrometer and submicrometer scales. In this study, magnetron sputtering methodology was employed for the preparation of Sr coating on sandblasted and acid-etched (SLA) titanium implant without changing the surface characteristics. The study of the surface morphology of the coating was carried out with the use of scanning electron microscopy, and the chemical composition of the surface was examined by X-ray energy-dispersive spectrometry. Twenty SLA implants together with 20 Sr-SLA implants were randomly inserted into the proximal tibia of 20 rats. The early osseointegration of the Sr-SLA implant was compared with SLA implant by removal torque test and histological analysis following two and eight weeks of implantation, correspondingly. As revealed by the surface characteristics, both Sr-SLA and SLA surfaces exhibited similar typical isotropic irregular indentations. The strontium ions were effectively incorporated into the SLA surface (the atomic ratio is 2%). Following two and eight weeks of healing, significant increases in removal torque values ( p < 0.05) were taken into observation in respect of Sr-SLA implant. Histologically, the Sr-SLA implants displayed significantly higher bone-to-implant contact percentages and bone area ratio in comparison with the SLA implant at eight weeks ( p < 0.05). At two weeks, the bone-implant contact percentages, together with bone area ratio of Sr-SLA surface appeared to be a little bit slightly greater than that of SLA surface. But the statistical difference was not significant. These results indicated that the chemical modification with Sr incorporated by magnetron sputtering treatment in moderately rough surfaced implants remarkably increases early bone apposition.
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Affiliation(s)
- Jiang Huanhuan
- 1 Department of Periodontology, School of Stomatology, Shandong University, Jinan, P.R. China
| | - Hao Pengjie
- 1 Department of Periodontology, School of Stomatology, Shandong University, Jinan, P.R. China
| | - Xu Sheng
- 1 Department of Periodontology, School of Stomatology, Shandong University, Jinan, P.R. China
| | - Wang Binchen
- 1 Department of Periodontology, School of Stomatology, Shandong University, Jinan, P.R. China
| | - Shu Li
- 2 Department of Dental Implantology, Yantai Stomatological Hospital, Yantai, P.R. China
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33
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Review of Antibacterial Activity of Titanium-Based Implants’ Surfaces Fabricated by Micro-Arc Oxidation. COATINGS 2017. [DOI: 10.3390/coatings7030045] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Zhou J, Li B, Zhao L, Zhang L, Han Y. F-Doped Micropore/Nanorod Hierarchically Patterned Coatings for Improving Antibacterial and Osteogenic Activities of Bone Implants in Bacteria-Infected Cases. ACS Biomater Sci Eng 2017; 3:1437-1450. [DOI: 10.1021/acsbiomaterials.6b00710] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jianhong Zhou
- State Key Laboratory
for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China
| | - Bo Li
- State Key Laboratory
for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
| | - Lingzhou Zhao
- State Key Laboratory of Military Stomatology, Department
of Periodontology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Lan Zhang
- State Key Laboratory
for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
| | - Yong Han
- State Key Laboratory
for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
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35
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Jun W, Peng W, Dianming J, Hong L, Cong L, Xing L, Xiangyang Q, Yujiang C, Ming L. In vitroandin vivocharacterization of strontium-containing calcium sulfate/poly(amino acid) composite as a novel bioactive graft for bone regeneration. RSC Adv 2017. [DOI: 10.1039/c7ra10523a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Doped strontium enhanced the biological activity of CS/PAA composites for repairing large bone defects.
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Affiliation(s)
- Wu Jun
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Wang Peng
- Sichuan Guona Science and Technology Co., Ltd
- Chengdu 610041
- People's Republic of China
| | - Jiang Dianming
- Center of Bone and Trauma
- The Third Affiliated Hospital of Chongqing Medical University
- Chongqing 400016
- People's Republic of China
| | - Li Hong
- Sichuan Guona Science and Technology Co., Ltd
- Chengdu 610041
- People's Republic of China
| | - Luo Cong
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Liu Xing
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Qu Xiangyang
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Cao Yujiang
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Li Ming
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
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36
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He X, Zhang X, Bai L, Hang R, Huang X, Qin L, Yao X, Tang B. Antibacterial ability and osteogenic activity of porous Sr/Ag-containing TiO2 coatings. ACTA ACUST UNITED AC 2016; 11:045008. [PMID: 27508428 DOI: 10.1088/1748-6041/11/4/045008] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Implant-associated infection and poor osseointegration remains a major clinical challenge in Ti-based implant materials. A versatile strategy to endow Ti-based implants with long-term antibacterial ability as well as better osteogenic activity is highly desirable for high quality implantation. Strontium (Sr) has been shown to be a significant element to favor bone growth by promoting new bone formation and inhibiting bone resorption. In this study, a novel duplex-treatment technique encompassing magnetron sputtering with micro-arc oxidation is utilized to fabricate porous Sr/Ag-containing TiO2 coatings loaded with different concentrations of Ag and Sr. All coatings are porous with pore size less than 5 µm. Ag is primarily distributed homogeneously inside the pores, and the concentrations of Ag in Sr/Ag-containing TiO2 coatings with low and high Ag contents are 0.40 at.% and 0.83 at.% respectively. We have demonstrated that this kind of coating displays long-lasting antibacterial ability even up to 28 d due to the incorporation of Ag. Further, Sr/Ag-containing TiO2 coatings with optimum Ag and Sr contents revealed good cytocompatibility, enhanced osteoblast spreading and osseointegration, which stemmed primarily from the synergistic effect exerted by the porous surface topography and the bioactive element Sr. However, this study has also identified, for the first time, that proper addition of Ag would further facilitate osteogenic effects. Besides, Sr may be able to alleviate the potential cytotoxic effect of excessive Ag. Thus, integration of optimum functional elements Ag and Sr into Ti-based implant materials would be expected to expedite osseointegration while simultaneously sustaining long-term antibacterial activity, which would provide new insights for relevant fundamental investigations and biomedical applications.
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Affiliation(s)
- Xiaojing He
- Research Institute of Surface Engineering, Taiyuan University of Technology, 79 Yingze West Street, Taiyuan 030024, People's Republic of China
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37
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Fan YP, Chen XY, Chen Y, Yang GL, Wang HM, He FM. Positive effect of strontium-oxide layer on the osseointegration of moderately rough titanium surface in non-osteoporotic rabbits. Clin Oral Implants Res 2016; 28:911-919. [PMID: 27283240 DOI: 10.1111/clr.12897] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2016] [Indexed: 12/19/2022]
Abstract
OBJECTIVES To evaluate the effect of strontium-oxide layer on new bone formation and osseointegration of sandblasted large-grit double-acid-etched (SLA) implant. MATERIAL AND METHODS Strontium-oxide layer on the SLA surface was produced by hydrothermal treatment using a Sr-containing solution. The surface topographies, roughness, hardness values, chemical elements and ionic release of SLA and the strontium-containing SLA (Sr-SLA) surface were measured by special instruments separately. Sixty-four SLA and Sr-SLA implants were inserted into the proximal tibiae and femoral condyles of sixteen non-osteoporotic New Zealand white rabbits. The biological effects were evaluated by removal torque (RTQ) testing and histomorphometric analysis after 3 and 6 weeks of implantation. RESULTS The surface characteristics showed Sr-SLA surfaces with dotted nanostructures can release appropriate amount of strontium ions into surrounding tissue till 14 days. In vivo, the Sr-SLA implants presented significantly higher RTQ than SLA implants at 3 and 6 weeks (P < 0.05). The Sr-SLA implants presented higher bone-to-implant contact (BIC) than SLA implants in cortical bone at 3 and 6 weeks (P < 0.05). The bone area was slightly higher for the Sr-SLA implants at 3 and 6 weeks (P > 0.05). CONCLUSIONS The strontium-oxide layer on the SLA surface has the potential to improve implant osseointegration in non-osteoporotic rabbits.
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Affiliation(s)
- Yan-Pin Fan
- Department of Oral Implantology, The Affiliated Stomatology Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xiao-Yi Chen
- Department of Oral Implantology, The Affiliated Stomatology Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yun Chen
- Department of oral Implantology, Xiamen Stomatology Hospital, Xiamen, China
| | - Guo-Li Yang
- Department of Oral Implantology, The Affiliated Stomatology Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Hui-Ming Wang
- Department of Oral Implantology, The Affiliated Stomatology Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Fu-Ming He
- Department of Oral Implantology, The Affiliated Stomatology Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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38
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Chang B, Song W, Han T, Yan J, Li F, Zhao L, Kou H, Zhang Y. Influence of pore size of porous titanium fabricated by vacuum diffusion bonding of titanium meshes on cell penetration and bone ingrowth. Acta Biomater 2016; 33:311-21. [PMID: 26802441 DOI: 10.1016/j.actbio.2016.01.022] [Citation(s) in RCA: 102] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 12/26/2015] [Accepted: 01/19/2016] [Indexed: 11/26/2022]
Abstract
The present work assesses the potential of three-dimensional (3D) porous titanium (pore size of 188-390 μm and porosity of 70%) fabricated by vacuum diffusion bonding of titanium meshes for applications in bone engineering. Rat bone marrow mesenchymal stem cells were used to investigate the proliferation and differentiation of cells on titanium scaffolds with different pore sizes at day 7, day 14 and day 21 based on DNA contents, alkaline phosphatase (ALP) activity, collagen (COL) secretion and osteogenic gene expressions including ALP, COL-1, bone morphogenetic protein-2 (BMP-2), osteopontin (OPN), runt-related transcription factor 2 (RUNX2), using smooth solid titanium plate as reference material. The rabbit models with distal femoral condyles defect were used to investigate the bone ingrowth into the porous titanium. All samples were subjected to Micro-CT and histological analysis after 4 and 12 weeks of healing. A one-way ANOVA followed by Tukey post hoc tests was used to analyze the data. It was found that the differentiation stage of cells on the porous titanium delayed compared with the smooth solid titanium plate and Ti 188 was more inclined to promote cell differentiation at the initial stage (day 14) while cell proliferation (day 1, 4, 7, 10, 14 and 21) and bone ingrowth (4 and 12 weeks) were biased to Ti 313 and Ti 390. The study indicates that the hybrid porous implant design which combines the advantages of different pore sizes may be meaningful and promising for bone defect restoration. STATEMENT OF SIGNIFICANCE One of the significant challenges in bone defect restoration is the integration of biomaterials and surrounding bone tissue. Porous titanium may be a promising choice for bone ingrowth and mineralization with appropriate mechanical and biological properties. In this study, based on porous titanium fabricated by vacuum diffusion bonding of titanium meshes, we have evaluated the influence of various pore sizes on rat bone marrow mesenchymal stem cells (rBMMSCs) penetration in vitro and bone ingrowth in vivo. It was interesting that we found the proliferation and differentiation abilities of rBMMSCs, as well as bone ingrowth were related to different pore sizes of such porous scaffolds. The results may provide guidance for porous titanium design for bone defect restoration.
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MACHADO CPG, SARTORETTO SC, ALVES ATNN, LIMA IBC, ROSSI AM, GRANJEIRO JM, CALASANS-MAIA MD. Histomorphometric evaluation of strontium-containing nanostructured hydroxyapatite as bone substitute in sheep. Braz Oral Res 2016; 30:e45. [DOI: 10.1590/1807-3107bor-2016.vol30.0045] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 01/25/2016] [Indexed: 11/22/2022] Open
Affiliation(s)
| | | | | | | | | | - José Mauro GRANJEIRO
- Universidade Federal Fluminense, Brazil; Instituto Nacional de Metrologia, Qualidade e Tecnologia, Brazil
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Yoshida G, Ando M, Sugita Y, Maeda H, Kato D, Suzuki R, Murakami H. Effect on Osteogenesis of Cleaning Titanium Implants with Ozonated Water. J HARD TISSUE BIOL 2016. [DOI: 10.2485/jhtb.25.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Genki Yoshida
- Department of Gerodontology, School of Dentistry, Aichi Gakuin University
- Division of Implant Dentistry, School of Dentistry, Aichi Gakuin University
| | - Masahiko Ando
- Department of Gerodontology, School of Dentistry, Aichi Gakuin University
- Division of Implant Dentistry, School of Dentistry, Aichi Gakuin University
| | - Yoshihiko Sugita
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
| | - Hatsuhiko Maeda
- Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
| | - Daisuke Kato
- Department of Gerodontology, School of Dentistry, Aichi Gakuin University
- Division of Implant Dentistry, School of Dentistry, Aichi Gakuin University
| | - Ryu Suzuki
- Division of Implant Dentistry, School of Dentistry, Aichi Gakuin University
| | - Hiroshi Murakami
- Department of Gerodontology, School of Dentistry, Aichi Gakuin University
- Division of Implant Dentistry, School of Dentistry, Aichi Gakuin University
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41
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Xu K, Chen W, Hu Y, Shen X, Xu G, Ran Q, Yu Y, Mu C, Cai K. Influence of strontium ions incorporated into nanosheet-pore topographical titanium substrates on osteogenic differentiation of mesenchymal stem cells in vitro and on osseointegration in vivo. J Mater Chem B 2016; 4:4549-4564. [DOI: 10.1039/c6tb00724d] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Strontium ions incorporation and nanosheet-pore topography of titanium substrates synergistically improve the osteogensis of MSCs and osseointegration in vivo.
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Affiliation(s)
- Kui Xu
- Key Laboratory of Biorheological Science and Technology
- Ministry of Education
- College of Bioengineering
- Chongqing University
- Chongqing 400044
| | - Weizhen Chen
- Key Laboratory of Biorheological Science and Technology
- Ministry of Education
- College of Bioengineering
- Chongqing University
- Chongqing 400044
| | - Yan Hu
- Key Laboratory of Biorheological Science and Technology
- Ministry of Education
- College of Bioengineering
- Chongqing University
- Chongqing 400044
| | - Xinkun Shen
- Key Laboratory of Biorheological Science and Technology
- Ministry of Education
- College of Bioengineering
- Chongqing University
- Chongqing 400044
| | - Gaoqiang Xu
- Key Laboratory of Biorheological Science and Technology
- Ministry of Education
- College of Bioengineering
- Chongqing University
- Chongqing 400044
| | - Qichun Ran
- Key Laboratory of Biorheological Science and Technology
- Ministry of Education
- College of Bioengineering
- Chongqing University
- Chongqing 400044
| | - Yonglin Yu
- Key Laboratory of Biorheological Science and Technology
- Ministry of Education
- College of Bioengineering
- Chongqing University
- Chongqing 400044
| | - Caiyun Mu
- Key Laboratory of Biorheological Science and Technology
- Ministry of Education
- College of Bioengineering
- Chongqing University
- Chongqing 400044
| | - Kaiyong Cai
- Key Laboratory of Biorheological Science and Technology
- Ministry of Education
- College of Bioengineering
- Chongqing University
- Chongqing 400044
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42
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Berglund IS, Jacobs BY, Allen KD, Kim SE, Pozzi A, Allen JB, Manuel MV. Peri-implant tissue response and biodegradation performance of a Mg-1.0Ca-0.5Sr alloy in rat tibia. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 62:79-85. [PMID: 26952400 DOI: 10.1016/j.msec.2015.12.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 11/13/2015] [Accepted: 12/02/2015] [Indexed: 11/18/2022]
Abstract
Biodegradable magnesium (Mg) alloys combine the advantages of traditional metallic implants and biodegradable polymers, having high strength, low density, and a stiffness ideal for bone fracture fixation. A recently developed Mg-Ca-Sr alloy potentially possesses advantageous characteristics over other Mg alloys, such as slower degradation rates and minimal toxicity. In this study, the biocompatibility of this Mg-Ca-Sr alloy was investigated in a rat pin-placement model. Cylindrical pins were inserted in the proximal tibial metaphyses in pre-drilled holes orthogonal to the tibial axis. Implant and bone morphologies were investigated using μCT at 1, 3, and 6 weeks after implant placement. At the same time points, the surrounding tissue was evaluated using H&E, TRAP and Goldner's trichrome staining. Although gas bubbles were observed around the degrading implant at early time points, the bone remained intact with no evidence of microfracture. Principle findings also include new bone formation in the area of the implant, suggesting that the alloy is a promising candidate for biodegradable orthopedic implants.
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Affiliation(s)
- Ida S Berglund
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL 32611, USA
| | - Brittany Y Jacobs
- Department of Biomedical Engineering, University of Florida, Gainesville, FL 32610, USA
| | - Kyle D Allen
- Department of Biomedical Engineering, University of Florida, Gainesville, FL 32610, USA
| | - Stanley E Kim
- Department of Small Animal Clinical Sciences, Gainesville, FL 32610, USA
| | - Antonio Pozzi
- Department of Small Animal Clinical Sciences, Gainesville, FL 32610, USA; Clinic of Small Animal Surgery, University of Zurich, Switzerland
| | - Josephine B Allen
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL 32611, USA
| | - Michele V Manuel
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL 32611, USA.
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43
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Zhou H, Kong S, Pan Y, Zhang Z, Deng L. Microwave-assisted fabrication of strontium doped apatite coating on Ti6Al4V. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 56:174-80. [DOI: 10.1016/j.msec.2015.06.032] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Revised: 05/25/2015] [Accepted: 06/15/2015] [Indexed: 12/13/2022]
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44
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Huang Q, Liu X, Elkhooly TA, Zhang R, Shen Z, Feng Q. A novel titania/calcium silicate hydrate hierarchical coating on titanium. Colloids Surf B Biointerfaces 2015. [DOI: 10.1016/j.colsurfb.2015.07.002] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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45
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Jing W, Zhang M, Jin L, Zhao J, Gao Q, Ren M, Fan Q. Assessment of osteoinduction using a porous hydroxyapatite coating prepared by micro-arc oxidation on a new titanium alloy. Int J Surg 2015; 24:51-6. [PMID: 26306772 DOI: 10.1016/j.ijsu.2015.08.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 07/16/2015] [Accepted: 08/05/2015] [Indexed: 11/19/2022]
Abstract
Surface modification and material improvement is now an important way to improve the osseointegration between bone and uncemented prothesis. The purpose of this study was to investigate the bone ingrowth potential of porous hydroxyapatite (HA) coatings prepared by micro-arc oxidation (MAO) on Ti-3Zr-2Sn-3Mo-25Nb, a new titanium alloy. HA-coated specimens were implanted in the left proximal femoral medullary canal of beagles for 4, 12, and 24 weeks, and uncoated specimens were implanted in the right as a control. The surface morphology and phase composition were investigated with environmental scanning electron microscopy and X-ray diffractometry. The bone ingrowth was assessed by histomorphometry. A pull-out test was performed to assess the mechanical performance of the bone-implant interface. A porous coating was well prepared on the new titanium alloy by using the MAO method. The bone-to-implant contact was significantly higher for the HA-coated group compared to that in the uncoated group. Mechanical tests showed that the HA-coated group had significantly higher maximum force at the bone-implant interface compared to the uncoated specimens. MAO is a suitable coating approach for this new titanium alloy. The HA coating prepared by this approach can significantly promote bone ingrowth and the mechanical performance of the bone-implant interface.
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Affiliation(s)
- Wensen Jing
- Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, Shanxi, China
| | - Minghua Zhang
- Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, Shanxi, China
| | - Lei Jin
- Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, Shanxi, China
| | - Jian Zhao
- Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, Shanxi, China
| | - Qing Gao
- Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, Shanxi, China
| | - Min Ren
- Research Institute for Strength of Metals, Xi'an Jiaotong University, Xi'an 710049, Shanxi, China
| | - Qingyu Fan
- Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, Shanxi, China.
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Chang C, Huang X, Liu Y, Bai L, Yang X, Hang R, Tang B, Chu PK. High-current anodization: A novel strategy to functionalize titanium-based biomaterials. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.05.075] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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47
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Liu W, Cheng M, Wahafu T, Zhao Y, Qin H, Wang J, Zhang X, Wang L. The in vitro and in vivo performance of a strontium-containing coating on the low-modulus Ti35Nb2Ta3Zr alloy formed by micro-arc oxidation. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2015; 26:203. [PMID: 26152510 DOI: 10.1007/s10856-015-5533-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Accepted: 06/27/2015] [Indexed: 06/04/2023]
Abstract
The β-titanium alloy is thought to be a promising alloy using as orthopedic or dental implants owing to its characteristics, which contains low elastic modulus, high corrosion resistance and well biocompatibility. Our previous study has reported that a new β-titanium alloy Ti35Nb2Ta3Zr showed low modulus close to human bone, equal tissue compatibility to a traditional implant alloy Ti6Al4V. In this study, micro-arc oxidation (MAO) was applied on the Ti35Nb2Ta3Zr alloy to enhance its surface characteristics and biocompatibility and osseointegration ability. Two different coatings were formed, TiO2 doped with calcium-phosphate coating (Ca-P) and calcium-phosphate-strontium coating (Ca-P-Sr). Then we evaluated the effects of the MAO coatings on the Ti35Nb2Ta3Zr alloy through in vitro and in vivo tests. As to the characteristics of the coatings, the morphology, chemical composition, surface roughness and contact angle of MAO coatings were tested by scanning electron microscopy, energy dispersive spectroscopy, atomic force microscopy, and video contact-angle measurement system respectively. Besides, we performed MTT assay, ALP test and cell morphology-adhesion test on materials to evaluate the MAOed coating materials' biocompatibility in vitro. The in vivo experiment was performed through rabbit model. Alloys were implanted into rabbits' femur shafts, then we performed micro-CT, histological and sequential fluorescent labeling analysis to evaluate implants' osseointegration ability in vivo. Finally, the Ca-P specimens and Ca-P-Sr specimens exhibited a significant enhancement in surface roughness, hydrophilicity, cell proliferation, cell adhesion. More new bone was found around the Ca-P-Sr coated alloy than Ca-P coated alloy and Ti35Nb2Ta3Zr alloy. In conclusion, the MAO treatment improved in vitro and in vivo performance of Ti35Nb2Ta3Zr alloy. The Ca-P-Sr coating may be a promising modified surface formed by MAO for the novel β-titanium alloy Ti35Nb2Ta3Zr.
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Affiliation(s)
- Wei Liu
- Department of Orthopedic, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, People's Republic of China
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48
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Mashinchian O, Turner LA, Dalby MJ, Laurent S, Shokrgozar MA, Bonakdar S, Imani M, Mahmoudi M. Regulation of stem cell fate by nanomaterial substrates. Nanomedicine (Lond) 2015; 10:829-47. [DOI: 10.2217/nnm.14.225] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Stem cells are increasingly studied because of their potential to underpin a range of novel therapies, including regenerative strategies, cell type-specific therapy and tissue repair, among others. Bionanomaterials can mimic the stem cell environment and modulate stem cell differentiation and proliferation. New advances in these fields are presented in this review. This work highlights the importance of topography and elasticity of the nano-/micro-environment, or niche, for the initiation and induction of stem cell differentiation and proliferation.
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Affiliation(s)
- Omid Mashinchian
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine (SATiM), Tehran University of Medical Sciences, PO Box 14177–55469, Tehran, Iran
| | - Lesley-Anne Turner
- Centre for Cell Engineering, Joseph Black Building, Institute of Biomedical & Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
| | - Matthew J Dalby
- Centre for Cell Engineering, Joseph Black Building, Institute of Biomedical & Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
| | - Sophie Laurent
- Department of General, Organic & Biomedical Chemistry, NMR & Molecular Imaging Laboratory, University of Mons, Avenue Maistriau 19, B-7000 Mons, Belgium
- CMMI – Center for Microscopy & Molecular Imaging, Rue Adrienne Bolland, 8, B-6041 Gosselies, Belgium
| | | | - Shahin Bonakdar
- National Cell Bank, Pasteur Institute of Iran, PO Box 13169–43551, Tehran, Iran
| | - Mohammad Imani
- Novel Drug Delivery Systems Department, Iran Polymer & Petrochemical Institute (IPPI), PO Box 14965/115, Tehran, Iran
| | - Morteza Mahmoudi
- Department of Nanotechnology & Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, PO Box 14155–6451, Tehran, Iran
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA 94305–5101, USA
- Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305–5101, USA
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49
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Valiense H, Barreto M, Resende RF, Alves AT, Rossi AM, Mavropoulos E, Granjeiro JM, Calasans-Maia MD. In vitro and in vivo evaluation of strontium-containing nanostructured carbonated hydroxyapatite/sodium alginate for sinus lift in rabbits. J Biomed Mater Res B Appl Biomater 2015; 104:274-82. [PMID: 25716009 DOI: 10.1002/jbm.b.33392] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Revised: 01/08/2015] [Accepted: 01/29/2015] [Indexed: 11/09/2022]
Abstract
Various synthetic bone substitutes have been developed to reconstruct bone defects. One of the most prevalent ceramics in bone treatment is hydroxyapatite (HA) that is a useful material as bone substitute, however, with a low rate of biodegradation. Its structure allows isomorphic cationic and anionic substitutions to be easily introduced, which can alter the crystallinity, morphology, biocompatibility, and osteoconductivity. The objective of this study was to investigate the in vitro and in vivo biological responses to strontium-containing nanostructured carbonated HA/sodium alginate (SrCHA) spheres (425<ϕ <600 μm) that were used for sinus lifts in rabbits using nanostructured carbonated HA/sodium alginate (CHA) as a reference. Cytocompatibility was determined using a multiparametric assay after exposing murine preosteoblasts to the extracts of these materials. Twelve male and female rabbits underwent bilateral sinus lift procedures and were divided into two groups (CHA or SrCHA) and in two experimental periods (4 and 12 weeks), for microscopic and histomorphometric analyses. The in vitro test revealed the overall viability of the cells exposed to the CHA and SrCHA extracts; thus, these extracts were considered cytocompatible, which was confirmed by three different parameters in the in vitro tests. The histological analysis showed chronic inflammation with a prevalence of macrophages around the CHA spheres after 4 weeks, and this inflammation decreased after 12 weeks. Bone formation was observed in both groups, and smaller quantities of SrCHA spheres were observed after 12 weeks, indicating greater bioresorption of SrCHA than CHA. SrCHA spheres are biocompatible and osteoconductive and undergo bioresorption earlier than CHA spheres.
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Affiliation(s)
- Helder Valiense
- Department of Implantology, Bahiana School of Medicine and Public Health, Salvador, Bahia, Brazil
| | - Mauricio Barreto
- Department of Implantology, Bahiana School of Medicine and Public Health, Salvador, Bahia, Brazil
| | - Rodrigo F Resende
- Department of Oral Surgery, Fluminense Federal University, Niteroi, Rio de Janeiro, Brazil
| | - Adriana T Alves
- Department of Oral Pathology, Fluminense Federal University, Niteroi, Rio de Janeiro, Brazil
| | - Alexandre M Rossi
- Graduate Programm in Dentistry, LABIOMAT, Brazilian Center for Physics Research, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Elena Mavropoulos
- Graduate Programm in Dentistry, LABIOMAT, Brazilian Center for Physics Research, Rio de Janeiro, Rio de Janeiro, Brazil
| | - José M Granjeiro
- Department of Oral Surgery, Fluminense Federal University, Niteroi, Rio de Janeiro, Brazil.,Division of Bioengineering, Applied Physics Department, Brazilian Center for Physics Research, National Institute of Metrology, Quality and Technology, Duque de Caxias, Rio de Janeiro, Brazil
| | - Mônica D Calasans-Maia
- Department of Oral Surgery, Fluminense Federal University, Niteroi, Rio de Janeiro, Brazil
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50
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Production of hydroxyapatite layers on the plasma electrolytically oxidized surface of titanium alloys. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 43:527-32. [PMID: 25175246 DOI: 10.1016/j.msec.2014.07.030] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Revised: 06/01/2014] [Accepted: 07/07/2014] [Indexed: 01/26/2023]
Abstract
Hydroxyapatite (HA) is a bioactive material that is widely used for improving the osseointegration of titanium dental implants. Titanium can be coated with HA by various methods, such as chemical vapor deposition (CVD), thermal spray, or plasma spray. HA coatings can also be grown on titanium surfaces by hydrothermal, chemical, and electrochemical methods. Plasma electrolytic oxidation (PEO), or microarc oxidation (MAO), is an electrochemical method that enables the production of a thick porous oxide layer on the surface of a titanium implant. If the electrolyte in which PEO is performed contains calcium and phosphate ions, the oxide layer produced may contain hydroxyapatite. The HA content can then be increased by subsequent hydrothermal treatment. The HA thus produced on titanium surfaces has attractive properties, such as a high porosity, a controllable thickness, and a considerable density, which favor its use in dental and bone surgery. This review summarizes the state of the art and possible further development of PEO for the production of HA on Ti implants.
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