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Tan Y, Ding Y, Liu S, Liu P, Cai K. Titanium-based substrate modified with nanoenzyme for accelerating the repair of bone defect. Colloids Surf B Biointerfaces 2024; 234:113737. [PMID: 38176336 DOI: 10.1016/j.colsurfb.2023.113737] [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: 09/05/2023] [Revised: 12/24/2023] [Accepted: 12/27/2023] [Indexed: 01/06/2024]
Abstract
Titanium (Ti) and titanium alloy are the most common metal materials in clinical orthopedic surgery. However, in the initial stage of surgery and implantation, the production of excessive reactive oxygen species (ROS) can induce oxidative stress (OS) microenvironment. OS will further inhibit the growth of new bone, resulting in surgical failure. In this study, based on the fact that nanoscale manganese dioxide (MnO2) can show H2O2-like enzyme activity, a MnO2 nanocoating was prepared on mciro-nano structured surface of Ti substrate via a two-step method of alkaline thermal and hydrothermal treatment. The results of scanning electron microscopy (SEM), X-ray diffractometer (XRD) and X-ray photoelectron spectroscopy (XPS) showed that the nano-MnO2 coating was successfully fabricated on the surface of Ti substrate. The results of measurement of H2O2, dissolved O2 and intracellular ROS in vitro showed that the treated Ti substrate could efficiently eliminate H2O2 and reduce ROS. Furthermore, the modified Ti substrate could promote the early adhesion, proliferation and osteogenic differentiation of MSCs, which was demonstrated by experimental results of cell morphology, cell viability, alkaline phosphatase, collagen, and mineralization deposition. The results of quantitative real-time polymerase chain reaction (qRT-PCR) of MSCs adhered the modified Ti substrate showed that the expression of genes related to osteogenic differentiation significantly increased. More importantly, the modified Ti implant could eliminate ROS at the injury site, reduce OS and promote the regeneration of bone tissue, which was demonstrated via hematoxylin/eosin, Masson's trichrome and immunohistochemical staining. In conclusion, the modified Ti implant presented here had the effect of reducing OS and promoting osseointegration. Relevant research ideas and results provide new methods for the research and development of functional implants, which have potential application value in the field of orthopedics.
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Affiliation(s)
- Yingying Tan
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing China
| | - Yao Ding
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing China
| | - Shaopeng Liu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing China
| | - Peng Liu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing China.
| | - Kaiyong Cai
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing China.
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Wu J, Yang J, Wang Y, Wang Y, Yu H, Han J, Zhang J. Biocompatible Coating on Micro‐structured Titanium Implants with Enhanced Osteogenesis to Facilitate Bone‐implant Integration. ChemistrySelect 2022. [DOI: 10.1002/slct.202103540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Jiannan Wu
- Department of Implantology Tianjin Stomatological Hospital School of Medicine Nankai University Tianjin 300041 China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction Tianjin 300041 China
| | - Jing Yang
- Department of Implantology Tianjin Stomatological Hospital School of Medicine Nankai University Tianjin 300041 China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction Tianjin 300041 China
| | - Yanying Wang
- Department of Implantology Tianjin Stomatological Hospital School of Medicine Nankai University Tianjin 300041 China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction Tianjin 300041 China
| | - Yanduo Wang
- Department of Implantology Tianjin Stomatological Hospital School of Medicine Nankai University Tianjin 300041 China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction Tianjin 300041 China
| | - Haiyang Yu
- Department of Implantology Tianjin Stomatological Hospital School of Medicine Nankai University Tianjin 300041 China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction Tianjin 300041 China
| | - Jing Han
- Department of Implantology Tianjin Stomatological Hospital School of Medicine Nankai University Tianjin 300041 China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction Tianjin 300041 China
| | - Jian Zhang
- Department of Implantology Tianjin Stomatological Hospital School of Medicine Nankai University Tianjin 300041 China
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction Tianjin 300041 China
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Awad K, Young S, Aswath P, Varanasi V. Interfacial adhesion and surface bioactivity of anodized titanium modified with SiON and SiONP surface coatings. SURFACES AND INTERFACES 2022; 28:101645. [PMID: 35005303 PMCID: PMC8741176 DOI: 10.1016/j.surfin.2021.101645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Titanium (Ti) surface modification via coating technologies (plasma spraying, electron-beam deposition) has been used to enhance bone-implant bonding by increasing the rate of hydroxyapatite (HA) formation, a property known as bioactivity. Regardless the enhancement in the surface activity, the high fabrication-temperature (> 600 °C) reduces coating-implant adhesion due to thermal expansion mismatch and reduces bioactivity due to increased crystallinity in the coating. Thus, amorphous surface coatings with strong Ti-substrate adhesion that can be fabricated at relatively low temperatures are crucially needed for enhanced osseointegration. Therefore, this study aimed to enhance the Ti surface bioactivity via strongly adherent bioactive thin film coatings deposited by low temperature (< 400 °C) plasma enhanced chemical vapor deposition technique on nanopore anodized-Ti (A-Ti) surface. Two groups of coating (silicon oxynitride (SiON) and silicon oxynitrophosphide (SiONP)) were deposited on anodized Ti and tested for interfacial adhesion and surface bioactivity. TEM and XPS were used to investigate the interfacial composition while interfacial adhesion was tested using nano-indentation tests which indicated a strong interfacial adhesion between the coatings and the A-Ti substrate. Surface bioactivity of the modified Ti was tested by comprehensive surface characterization (i.e., chemical composition, surface energy, morphology, and mechanical properties) and apatite formation on each surface. SiONP coating significantly enhanced the Ti surface bioactivity that presented the highest surface coverage of carbonated hydroxyapatite (HCA, ~ 40%) with a Ca/P ratio (~ 1.65) close to the stoichiometric hydroxyapatite (~ 1.67) found in bone biomineral. The HCA structure and morphology were confirmed by HR-TEM/SAED, XRD, FT-IR, and HR-SEM/EDX. MSCs in-vitro studies indicated preferable cells adhesion and proliferation on the modified surfaces without any cytotoxic effects. This study concluded that the improved surface bioactivity of Ti-SiON and Ti-SiONP coatings suggests their potential use as strongly adherent bioactive surface coatings for Ti implants.
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Affiliation(s)
- Kamal Awad
- Department of Materials Science and Engineering, College of Engineering, The University of Texas at Arlington, Arlington, TX 76019, USA
- Bone-Muscle Research Center, College of Nursing & Health Innovation, The University of Texas at Arlington, Arlington, TX 76019, USA
- Refractories, Ceramics and Building Materials Department, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Simon Young
- Department of Oral and Maxillofacial Surgery, the University of Texas Health Science Center at Houston, School of Dentistry, Houston, TX 77054, USA
| | - Pranesh Aswath
- Department of Materials Science and Engineering, College of Engineering, The University of Texas at Arlington, Arlington, TX 76019, USA
| | - Venu Varanasi
- Department of Materials Science and Engineering, College of Engineering, The University of Texas at Arlington, Arlington, TX 76019, USA
- Bone-Muscle Research Center, College of Nursing & Health Innovation, The University of Texas at Arlington, Arlington, TX 76019, USA
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Anatase Forming Treatment without Surface Morphological Alteration of Dental Implant. MATERIALS 2020; 13:ma13225280. [PMID: 33266359 PMCID: PMC7700421 DOI: 10.3390/ma13225280] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 12/14/2022]
Abstract
The osseointegration of titanium implants is allowed by the TiO2 layer that covers the implants. Titania can exist in amorphous form or in three different crystalline conformations: anatase, rutile and brookite. Few studies have characterized TiO2 covering the surface of dental implants from the crystalline point of view. The aim of the present study was to characterize the evolution of the TiO2 layer following different surface treatments from a crystallographic point of view. Commercially pure titanium and Ti-6Al-4V implants subjected to different surface treatments were analyzed by Raman spectroscopy to evaluate the crystalline conformation of titania. The surface treatments evaluated were: machining, sandblasting, sandblasting and etching and sandblasting, etching and anodization. The anodizing treatment evaluated in this study allowed to obtain anatase on commercially pure titanium implants without altering the morphological characteristics of the surface.
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Li W, Yang Y, Zhang H, Xu Z, Zhao L, Wang J, Qiu Y, Liu B. Improvements on biological and antimicrobial properties of titanium modified by AgNPs-loaded chitosan-heparin polyelectrolyte multilayers. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 30:52. [PMID: 31016469 DOI: 10.1007/s10856-019-6250-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 04/03/2019] [Indexed: 05/11/2023]
Abstract
Microbial infection around dental implants is a major cause for the loss of devices, including soft tissue infection in early period, post-operation peri-implantitis, and osseointegration failure. Silver nanoparticles (AgNPs) with wide antimicrobial spectrum, strong antimicrobial effect and hypotoxicity, as well as low incidence of antibiotic resistance, are widely involved in biomedical applications. Herein, firmly anchoring AgNPs onto the surface of implants through physical-chemical reaction is likely to relieve the above issues. In this study, AgNPs were biosynthesized by a simple and "green" method with chitosan (CS) as stabilizing and reducing agents. Then, AgNPs-loaded CS-heparin polyelectrolyte multilayers (PEMs) were constructed on alkali-heat treated titanium (Ti) substrates via layer-by-layer (LbL) self-assembly technique. The successful surface modification could be confirmed by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS), and the constructed system could provide the continuous release of Ag+ over 28 days till mucosa healing. In short, this work revealed that the construction of multilayer coatings containing AgNPs on Ti substrates promoted adhesion and proliferation of human gingival fibroblasts (HGFs) and also enhanced the antimicrobial properties. This manifests the LbL technique is a viable and promising method for forming continuous antimicrobial coatings, to reduce microbial infection and improve the quality of peri-implant soft tissue seal. The preparation process of AgNPs-loaded CS-heparin PEMs on Ti substrate.
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Affiliation(s)
- Wen Li
- School of Stomatology, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Yanwei Yang
- Department of Stomatology, Lanzhou General Hospital, Lanzhou Military Area Command, PLA, Lanzhou, 730050, P. R. China
- State Key Laboratory of Military Stomatology, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Hongchen Zhang
- School of Stomatology, Lanzhou University, Lanzhou, 730000, P. R. China
- Department of Stomatology, Lanzhou General Hospital, Lanzhou Military Area Command, PLA, Lanzhou, 730050, P. R. China
- State Key Laboratory of Military Stomatology, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, P. R. China
- School of Nursing, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Zexian Xu
- School of Stomatology, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Libo Zhao
- School of Stomatology, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Jinqing Wang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Yinong Qiu
- Department of Stomatology, Lanzhou General Hospital, Lanzhou Military Area Command, PLA, Lanzhou, 730050, P. R. China.
| | - Bin Liu
- School of Stomatology, Lanzhou University, Lanzhou, 730000, P. R. China.
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Calvo-Guirado JL, Morales-Meléndez H, Pérez-Albacete Martínez C, Morales-Schwarz D, Kolerman R, Fernández-Domínguez M, Gehrke SA, Maté-Sánchez de Val JE. Evaluation of the Surrounding Ring of Two Different Extra-Short Implant Designs in Crestal Bone Maintanence: A Histologic Study in Dogs. MATERIALS 2018; 11:ma11091630. [PMID: 30200576 PMCID: PMC6164294 DOI: 10.3390/ma11091630] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 08/30/2018] [Accepted: 09/03/2018] [Indexed: 11/17/2022]
Abstract
The aim of this study was to compare the implant stability and bone resorption and formation of two different extra-short implant designs with different diameter rings placed in a dog´s maxilla. Thirty-six extra-short, 5 mm diameter × 4 mm length (Short DM®, Bioner Sistemas Implantológicos, Barcelona, Spain), delayed implants were placed in each hemimaxilla of six dogs at the bone crest level. Eighteen implants of each design (wide and narrow ring) were installed. After 8 and 12 weeks of healing, histomorphometric analyses of the specimens were carried out to measure the crestal bone level values and the tissue thickness around the wide and narrow ring implant designs. In the microscopic analysis, less buccal bone resorption was observed in the narrow ring implants with a statistical significance (p < 0.001). For the peri-implant tissue thickness, the distance from the implant shoulder to the external portion of the epithelium was significantly higher for the implants installed with a wide ring with statistical significance (p < 0.001). Our findings suggest that the amount of peri-implant tissues (crestal bone loss) after remodeling over a period of 12 weeks was smaller in the narrow ring extra-short implant installed in the healed maxilla, compared with the wide ring extra-short implants.
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Affiliation(s)
- José Luis Calvo-Guirado
- Faculty of Health Sciences, Universidad Católica San Antonio de Murcia, 30107 Murcia, Spain.
| | - Hilde Morales-Meléndez
- International Dentistry Research Cathedra Faculty of Health Sciences, Universidad Católica San Antonio de Murcia, 30107 Murcia, Spain.
| | | | | | - Roni Kolerman
- Department of Periodontology and Dental Implantology, the Maurice and Gabriela Goldschkeger School of dental Medicine, Tel Aviv University, 6934203 Tel Aviv, Israel.
| | - Manuel Fernández-Domínguez
- Faculty of Dentistry, Department of Oral and Implant Dentistry, Universidad San Pablo CEU, Grupo HM (Hospital Madrid), 11600 Madrid, Spain.
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Taga T, Kabata T, Kajino Y, Inoue D, Ohmori T, Yamamoto T, Takagi T, Tsuchiya H. Comparison with the osteoconductivity and bone-bonding ability of the iodine supported titanium, titanium with porous oxide layer and the titanium alloy in the rabbit model. J Orthop Sci 2018; 23:585-591. [PMID: 29429889 DOI: 10.1016/j.jos.2018.01.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 01/13/2018] [Accepted: 01/16/2018] [Indexed: 02/09/2023]
Abstract
BACKGROUND One of the serious postoperative complications associated with joint replacement is bacterial infection. In our recent investigations, iodine supported titanium implants demonstrated antibacterial activity in both in vitro and in vivo studies. The surfaces of the implants have porous anodic oxide layer with the antiseptic properties of iodine. According to the literature the titanium with porous anodic oxide have good osteoconductivity. But it is not clear whether the properties of iodine influence bone bonding of implants. OBJECTIVES The aim of this study is to evaluate the influence of the properties of iodine and porous anodic oxide layer in the bone bonding ability of titanium implants. STUDY DESIGN & METHODS Titanium rods were implanted in intramedullary rabbit femur models, in regard to the cementless hip stem. The implant rods were 5 mm in diameter and 25 mm in length. Three types of titanium rods were implanted.One was untreated titanium (control group (CL)), another was titanium with oxide layer without iodine (oxide layer group (OL)), and the other was Iodine treated Titanium (iodine group (ID)). The rods were inserted into the distal femur. We assessed the bonding strength by a measuring pull-out test at 4, 8, and 12 weeks after implantation. The bone-implant interfaces were evaluated at 4 weeks after implantation. RESULTS Pull-out test results of the ID implants were 202, 355, and 344 N, and those of the OL implants were 220, 310, 329 N at 4, 8, and 12 weeks, significantly higher than those of the CL implants (102, 216, and 227 N). But there were no significant difference in ID implants and OL implants. Histological examination revealed that new bone formed on the surface of each types of implants, but significantly more bone made direct contact with the surfaces of the ID implants and OL implants. CONCLUSIONS This research showed that new type of coating, iodine coated titanium has low toxicity and good osteoconductivity.
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Affiliation(s)
- Tadashi Taga
- Department of Orthopaedics Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Tamon Kabata
- Department of Orthopaedics Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Yoshitomo Kajino
- Department of Orthopaedics Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Daisuke Inoue
- Department of Orthopaedics Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Takaaki Ohmori
- Department of Orthopaedics Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Takashi Yamamoto
- Department of Orthopaedics Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Tomoharu Takagi
- Department of Orthopaedics Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Hiroyuki Tsuchiya
- Department of Orthopaedics Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan.
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Li NB, Xiao GY, Tsai IH, Zhao JH, Chen X, Xu WH, Lu YP. Transformation of the surface compositions of titanium during alkali and heat treatment at different vacuum degrees. NEW J CHEM 2018. [DOI: 10.1039/c8nj00201k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The AH method at different vacuum degrees had a significant influence on the surface composition, structure, wettability, bioactivity and other properties of titanium.
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Affiliation(s)
- Ning-bo Li
- Key Laboratory for Liquid–Solid Structural Evolution and Processing of Materials
- Ministry of Education
- Shandong University
- Ji’nan 250061
- China
| | - Gui-yong Xiao
- Key Laboratory for Liquid–Solid Structural Evolution and Processing of Materials
- Ministry of Education
- Shandong University
- Ji’nan 250061
- China
| | - I-Hsien Tsai
- Department of Natural Sciences
- LaGuardia Community College
- City University of New York
- New York
- USA
| | - Jun-han Zhao
- Key Laboratory for Liquid–Solid Structural Evolution and Processing of Materials
- Ministry of Education
- Shandong University
- Ji’nan 250061
- China
| | - Xin Chen
- Key Laboratory for Liquid–Solid Structural Evolution and Processing of Materials
- Ministry of Education
- Shandong University
- Ji’nan 250061
- China
| | - Wen-hua Xu
- Key Laboratory for Liquid–Solid Structural Evolution and Processing of Materials
- Ministry of Education
- Shandong University
- Ji’nan 250061
- China
| | - Yu-peng Lu
- Key Laboratory for Liquid–Solid Structural Evolution and Processing of Materials
- Ministry of Education
- Shandong University
- Ji’nan 250061
- China
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