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Ji MK, Chun Y, Jeong G, Kim HS, Kim WJ, Ryu JH, Cho H, Lim HP. Biological Effects of Double-Layered Hydroxyapatite and Zirconium Oxide Depositions on Titanium Surfaces. Int J Nanomedicine 2024; 19:8015-8027. [PMID: 39130690 PMCID: PMC11316491 DOI: 10.2147/ijn.s470231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 07/16/2024] [Indexed: 08/13/2024] Open
Abstract
Purpose This study aimed to confirm the synergy effect of these two materials by evaluating osteoblast and antibacterial activity by applying a double-layered hydroxyapatite(HA) zirconium oxide(ZrO2) coating to titanium. Methods The specimens used in this study were divided into four groups: a control group (polished titanium; group T) and three experimental groups: Group TH (RF magnetron sputtered HA deposited titanium), Group Z (ZrO2 ALD deposited titanium), and Group ZH (RF magnetron sputtered HA and ZrO2 ALD deposited titanium). The adhesion of Streptococcus mutans (S.mutans) to the surface was assessed using a crystal violet assay. The adhesion, proliferation, and differentiation of MC3T3-E1 cells, a mouse osteoblastic cell line, were assessed through a WST-8 assay and ALP assay. Results Group Z showed a decrease in the adhesion of S. mutans (p < 0.05) and an improvement in osteoblastic viability (p < 0.0083). Group TH and ZH showed a decrease in adhesion of S. mutans (p < 0.05) and an increase in osteoblastic cell proliferation and cell differentiation (p < 0.0083). Group ZH exhibited the highest antibacterial and osteoblastic differentiation. Conclusion In conclusion double-layered HA and ZrO2 deposited on titanium were shown to be more effective in inhibiting the adhesion of S. mutans, which induced biofilm formation, and increasing osteoblastic differentiation involved in osseointegration by the synergistic effect of the two materials.
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Affiliation(s)
- Min-Kyung Ji
- Dental 4D Research Center, Chonnam National University, Gwangju, Republic of Korea
| | - Yaerim Chun
- Department of Prosthodontics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
| | - Geonwoo Jeong
- Department of Materials Science and Engineering, Chonnam National University, Gwangju, Republic of Korea
| | | | - Won-Jae Kim
- Department of Oral Physiology, School of Dentistry, Stem Cell Secretome Research Center, Chonnam National University, Gwangju, Republic of Korea
| | - Je-Hwang Ryu
- Department of Pharmacology and Dental Therapeutics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
| | - Hoonsung Cho
- Department of Materials Science and Engineering, Chonnam National University, Gwangju, Republic of Korea
| | - Hyun-Pil Lim
- Dental 4D Research Center, Chonnam National University, Gwangju, Republic of Korea
- Department of Prosthodontics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
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Ji MK, Kim H, Jeong G, Kim WJ, Ryu JH, Cho H, Lim HP. Effects of TiO 2 Nanotubes and Reduced Graphene Oxide on Streptococcus mutans and Preosteoblastic Cells at an Early Stage. Int J Mol Sci 2024; 25:1351. [PMID: 38279351 PMCID: PMC10816206 DOI: 10.3390/ijms25021351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 01/28/2024] Open
Abstract
The effects of TiO2 nanotube (TNT) and reduced graphene oxide (rGO) deposition onto titanium, which is widely used in dental implants, on Streptococcus mutans (S. mutans) and preosteoblastic cells were evaluated. TNTs were formed through anodic oxidation on pure titanium, and rGO was deposited using an atmospheric plasma generator. The specimens used were divided into a control group of titanium specimens and three experimental groups: Group N (specimens with TNT formation), Group G (rGO-deposited specimens), and Group NG (specimens under rGO deposition after TNT formation). Adhesion of S. mutans to the surface was assessed after 24 h of culture using a crystal violet assay, while adhesion and proliferation of MC3T3-E1 cells, a mouse preosteoblastic cell line, were evaluated after 24 and 72 h through a water-soluble tetrazolium salt assay. TNT formation and rGO deposition on titanium decreased S. mutans adhesion (p < 0.05) and increased MC3T3-E1 cell adhesion and proliferation (p < 0.0083). In Group NG, S. mutans adhesion was the lowest (p < 0.05), while MC3T3-E1 cell proliferation was the highest (p < 0.0083). In this study, TNT formation and rGO deposition on a pure titanium surface inhibited the adhesion of S. mutans at an early stage and increased the initial adhesion and proliferation of preosteoblastic cells.
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Affiliation(s)
- Min-Kyung Ji
- Dental 4D Research Center, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Hyeonji Kim
- Department of Prosthodontics, School of Dentistry, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Geonwoo Jeong
- Department of Materials Science & Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Won-Jae Kim
- Department of Oral Physiology, School of Dentistry, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Je-Hwang Ryu
- Department of Pharmacology and Dental Therapeutics, School of Dentistry, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Hoonsung Cho
- Department of Materials Science & Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Hyun-Pil Lim
- Dental 4D Research Center, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
- Department of Prosthodontics, School of Dentistry, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
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3
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Farshid S, Kharaziha M, Salehi H, Ganjalikhani Hakemi M. Morphology-Dependent Immunomodulatory Coating of Hydroxyapatite/PEO for Magnesium-Based Bone Implants. ACS APPLIED MATERIALS & INTERFACES 2023; 15:48996-49011. [PMID: 37831072 DOI: 10.1021/acsami.3c11184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
One of the most critical issues concerning orthopedic implants is the risk of chronic inflammation, which poses a threat to the bone healing process. Osteo-immunomodulation plays a pivotal role in implant technology by influencing proinflammatory and anti-inflammatory responses, ultimately promoting bone healing. This study aims to investigate the morphology-dependent osteo-immunomodulatory properties of a hydroxyapatite (HA)/plasma electrolytic oxidation (PEO)-coated WE43 alloy. In this context, following the PEO process with various operational parameters (duty cycles of 50-40, 50-20, 70-40%, and frequencies of 0.5, 0.8, and 1 kHz), a layer of HA was applied as the top coating using a straightforward hot-dip process. The results revealed the formation of the PEO layer with distinct morphologies and pore sizes, depending on the operational parameters. Specifically, a uniform PEO coating with small pore sizes (5.2-5.3 μm) led to the creation of plate-like HA particles, while a random-like HA structure formed on nonuniform surfaces with large pores (7.0-11.1 μm) of PEO. Moreover, it was observed that the plate-like HA coating exhibited higher adhesion strength than the random one (classified as class 2 vs class 3 based on cross-cut standards). Furthermore, electrochemical impedance spectroscopy (EIS) and polarization studies confirmed a substantial increase in the polarization resistance (680 kΩ) and total impedance (48 559.6 Ω) for the plate-like HA/PEO as compared to the substrate (an increase of 1511-fold and 311-fold, respectively) and the random HA/PEO samples (an increase of 85-fold and 18-fold, respectively). In addition, compared to random HA coatings, there was a significant enhancement in the viability (150% control vs 96% control), proliferation, and differentiation of MG63 cells when exposed to plate-like HA coatings. Moreover, surface morphology and chemistry pronouncedly impacted macrophages' viability, morphology, and phenotype. Notably, plate-like HA coatings resulted in a higher upregulation of BMP-2 and TGF-β than proinflammatory cytokines (IL-6 and M-CSF), indicating a polarization of macrophage type 1 (M1) toward type 2 (M2). In summary, the bilayer HA/PEO coating exhibited remarkable osteo-immunomodulatory activity, making it highly appealing for use in bone implant applications.
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Affiliation(s)
- Safoura Farshid
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran
| | - Mahshid Kharaziha
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Hossein Salehi
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran
| | - Mazdak Ganjalikhani Hakemi
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran
- Regenerative and Restorative Medicine Research Center (REMER), Institute for Health Sciences and Technologies (SABITA), İstanbul Medipol University, İstanbul 34810, Turkey
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4
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Han X, Ma J, Tian A, Wang Y, Li Y, Dong B, Tong X, Ma X. Surface modification techniques of titanium and titanium alloys for biomedical orthopaedics applications: A review. Colloids Surf B Biointerfaces 2023; 227:113339. [PMID: 37182380 DOI: 10.1016/j.colsurfb.2023.113339] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/04/2023] [Accepted: 05/08/2023] [Indexed: 05/16/2023]
Abstract
Biomedical alloys have an important share in orthopedic applications. Among them, titanium and its titanium alloys are widely used as implant materials because of their excellent mechanical properties and non-cytotoxicity. However, its disadvantages such as its biological inertness and poor antibacterial properties inhibit its further development. Therefore, the surface properties of titanium are crucial in the implantation process and determine the success of the implant. The main purpose of this review is to provide a comprehensive and detailed description of the modification techniques used for the surface modification of titanium implants. In this paper, the corresponding technical methods are introduced systematically from four aspects: mechanical method, physical surface modification, chemical surface modification and electrochemical technique to understand the experimental mechanism of each modification technique, and the above methods can indeed improve the various properties of titanium and its alloys. With the increasing demand for implants in the future, the requirements for surface properties will also increase. Therefore, the development of new coating materials with higher performance by combining various advantages of existing modification technologies is the main trend of future research on surface modification of titanium alloys.
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Affiliation(s)
- Xiao Han
- Tianjin Hospital, Tianjin University, Tianjin 300211, China
| | - Jianxiong Ma
- Tianjin Hospital, Tianjin University, Tianjin 300211, China
| | - Aixian Tian
- Tianjin Hospital, Tianjin University, Tianjin 300211, China
| | - Yan Wang
- Tianjin Hospital, Tianjin University, Tianjin 300211, China
| | - Yan Li
- Tianjin Hospital, Tianjin University, Tianjin 300211, China
| | - Benchao Dong
- Tianjin Hospital, Tianjin University, Tianjin 300211, China
| | - Xue Tong
- Tianjin Hospital, Tianjin University, Tianjin 300211, China; School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xinlong Ma
- Tianjin Hospital, Tianjin University, Tianjin 300211, China.
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5
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Sahadat Hossain M, Shaikh MAA, Jahan SA, Mahmud M, Bin Mobarak M, Rahaman MS, Uddin MN, Ahmed S. Exploring the biomedical competency of gamma-radiation aided hydroxyapatite and its composite fabricated with nano-cellulose and chitosan. RSC Adv 2023; 13:9654-9664. [PMID: 36994085 PMCID: PMC10041542 DOI: 10.1039/d3ra00476g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 03/16/2023] [Indexed: 03/29/2023] Open
Abstract
The well-known biomaterial Ca-hydroxyapatite (Hap) in its pristine form holds the top ranking position in the field of biomedical research and extensive investigation is continuing across the globe to enhance its competency. Hence, having the intention to introduce superior physiognomies (e.g. cytotoxicity, haemocompatibility, and bioactivity coupled with antimicrobial and antioxidant activity) in Hap, in this research work, we exposed Hap to 200 kGy γ-radiation. As a result, γ-radiated Hap exhibited extreme antimicrobial (more than 98%) and moderate (∼34%) antioxidant properties. On the other hand, cytotoxicity and haemocompatibility of γ-radiated Hap were in good agreement with the ISO 10993-5 and ISO 10993-4 standards respectively. Since, bone and joint infections as well as degenerative disorders e.g. osteoarthritis, osteomyelitis, bone injury, and spinal problems have emerged as serious issues and urge a remedial way out, application of γ-radiated Hap could be a promising solution in this regard.
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Affiliation(s)
- Md Sahadat Hossain
- Institute of Glass and Ceramic Research and Testing (IGCRT), Bangladesh Council of Scientific and Industrial Research (BCSIR) Dr Qudrat-i-Khuda Road, Dhanmondi Dhaka-1205 Bangladesh
| | - Md Aftab Ali Shaikh
- Bangladesh Council of Scientific and Industrial Research (BCSIR) Dr Qudrat-i-Khuda Road, Dhanmondi Dhaka-1205 Bangladesh
| | - Shirin Akter Jahan
- Institute of Glass and Ceramic Research and Testing (IGCRT), Bangladesh Council of Scientific and Industrial Research (BCSIR) Dr Qudrat-i-Khuda Road, Dhanmondi Dhaka-1205 Bangladesh
| | - Monika Mahmud
- Institute of Glass and Ceramic Research and Testing (IGCRT), Bangladesh Council of Scientific and Industrial Research (BCSIR) Dr Qudrat-i-Khuda Road, Dhanmondi Dhaka-1205 Bangladesh
| | - Mashrafi Bin Mobarak
- Institute of Glass and Ceramic Research and Testing (IGCRT), Bangladesh Council of Scientific and Industrial Research (BCSIR) Dr Qudrat-i-Khuda Road, Dhanmondi Dhaka-1205 Bangladesh
| | - Md Saifur Rahaman
- Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission Dhaka 1349 Bangladesh
| | - Md Najem Uddin
- BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR) Dr Qudrat-i-Khuda Road, Dhanmondi Dhaka-1205 Bangladesh
| | - Samina Ahmed
- Institute of Glass and Ceramic Research and Testing (IGCRT), Bangladesh Council of Scientific and Industrial Research (BCSIR) Dr Qudrat-i-Khuda Road, Dhanmondi Dhaka-1205 Bangladesh
- BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR) Dr Qudrat-i-Khuda Road, Dhanmondi Dhaka-1205 Bangladesh
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6
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Liu Y, He L, Li J, Luo J, Liang K, Yin D, Tao S, Yang J, Li J. Mussel-Inspired Organic–Inorganic Implant Coating Based on a Layer-by-Layer Method for Anti-infection and Osteogenesis. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yifang Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- School of Stomatology, Shandong First Medical University, Jinan 250021, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Libang He
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
- Med-X Center for Materials, Sichuan University, Chengdu 610065, P. R. China
| | - Jun Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Kunneng Liang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Derong Yin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Siying Tao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jiaojiao Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jiyao Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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7
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Chen Z, Wang Z, Qiu W, Fang F. Overview of Antibacterial Strategies of Dental Implant Materials for the Prevention of Peri-Implantitis. Bioconjug Chem 2021; 32:627-638. [PMID: 33779151 DOI: 10.1021/acs.bioconjchem.1c00129] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
As dental implants have become one of the main treatment options for patients with tooth loss, the number of patients with peri-implant diseases has increased. Similar to periodontal diseases, peri-implant diseases have been associated with dental plaque formation on implants. Unconventional approaches have been reported to remove plaque from infected implants, but none of these methods can completely and permanently solve the problem of bacterial invasion. Fortunately, the constant development of antibacterial implant materials is a promising solution to this situation. In this review, the development and study of different antibacterial strategies for dental implant materials for the prevention of peri-implantitis are summarized. We hope that by highlighting the advantages and limitations of these antimicrobial strategies, we can assist in the continued development of oral implant materials.
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Affiliation(s)
- Zehao Chen
- Department of Stomatology, Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, 510515, P.R. China
| | - Zhaodan Wang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, 510515, P.R. China
| | - Wei Qiu
- Department of Stomatology, Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, 510515, P.R. China
| | - Fuchun Fang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, 510515, P.R. China
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8
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Groza A, Iconaru SL, Jiga G, Chapon P, Gaiaschi S, Verga N, Beuran M, Prodan AM, Matei M, Marinescu SA, Trusca R, Predoi D. The Effect of the Ionizing Radiation on Hydroxyapatite–Polydimethylsiloxane Layers. POLYM ENG SCI 2019. [DOI: 10.1002/pen.25247] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Andreea Groza
- National Institute for LaserPlasma and Radiation Physics, 409 Atomistilor St., P.O. Box MG36 077125 Magurele Romania
| | | | - Gabriel Jiga
- Faculty of Engineering and Management of Technological Systems, Department of Strengh of MaterialsUniversity Politehnica of Bucharest Bucharest Romania
| | - Patrick Chapon
- Horiba Jobin Yvon SAS, 16‐18 Rue du Canal 91165 Longjumeau Cedex France
| | - Sofia Gaiaschi
- Horiba Jobin Yvon SAS, 16‐18 Rue du Canal 91165 Longjumeau Cedex France
| | - Nicolae Verga
- Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari, Sector 5 Bucharest 050474 Romania
- Coltea Clinical HospitalRadiotherapy Department, Ion C. Brătianu 1 Street Bucharest Romania
| | - Mircea Beuran
- Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari, Sector 5 Bucharest 050474 Romania
- Emergency Hospital Floreasca Bucharest, 8 Calea Floresca 014461 Bucharest Romania
| | - Alina Mihaela Prodan
- Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari, Sector 5 Bucharest 050474 Romania
- Emergency Hospital Floreasca Bucharest, 8 Calea Floresca 014461 Bucharest Romania
| | - Mihai Matei
- Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari, Sector 5 Bucharest 050474 Romania
- Emergency Hospital Floreasca Bucharest, 8 Calea Floresca 014461 Bucharest Romania
| | - Serban Andrei Marinescu
- Oncology Institute Professor Doctor Alexandru Trestioreanu, 252 Fundeni 022328 Bucharest Romania
| | - Roxana Trusca
- Faculty of Applied Chemistry and Materials SciencePolitehnica University of Bucharest 060042 Bucharest Romania
| | - Daniela Predoi
- National Institute of Materials Physics, 405 A Atomistilor Street Magurele Romania
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Qin S, Xu K, Nie B, Ji F, Zhang H. Approaches based on passive and active antibacterial coating on titanium to achieve antibacterial activity. J Biomed Mater Res A 2019; 106:2531-2539. [PMID: 29603857 DOI: 10.1002/jbm.a.36413] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 03/02/2018] [Accepted: 03/15/2018] [Indexed: 12/26/2022]
Abstract
Titanium (Ti) and its alloys are widely applied as orthopedic implants for hip and knee prosthesis, fixation, and dental implants. However, Ti and its alloys are bioinert and susceptible to bacteria and biofilm formation. Strategies for improving the antibacterial properties of Ti can be divided into two approaches, namely, passive coating and active coating on the Ti surface. Passive coating on Ti mainly kills the bacteria in contact but does not kill plankton or bacteria dwell in the bone tissue around the Ti implant. Active coating mainly involves the release of antibacterial agents to kill the bacteria, but this may result in the development of bacterial resistance. Both strategies include advantages and disadvantages. This article reviews the current and potential future approaches for improving antibacterial activity on Ti. We mainly focus on current approaches for fabricating antibacterial Ti and its limitations and countermeasures, and provide direction for further studies of biofunctionalization of Ti with antibacterial properties. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A:2531-2539, 2018.
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Affiliation(s)
- Sheng Qin
- Department of Orthopedics, Changhai hospital Affiliated to the Navy Military Medical University, Shanghai, People's Republic of China
| | - Kaihang Xu
- Department of Orthopedics, Changhai hospital Affiliated to the Navy Military Medical University, Shanghai, People's Republic of China
| | - Binen Nie
- Department of Bone and Joint Surgery, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Fang Ji
- Department of Orthopedics, Changhai hospital Affiliated to the Navy Military Medical University, Shanghai, People's Republic of China
| | - Hao Zhang
- Department of Orthopedics, Changhai hospital Affiliated to the Navy Military Medical University, Shanghai, People's Republic of China
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10
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Jiang N, Guo Z, Sun D, Ay B, Li Y, Yang Y, Tan P, Zhang L, Zhu S. Exploring the mechanism behind improved osteointegration of phosphorylated titanium implants with hierarchically structured topography. Colloids Surf B Biointerfaces 2019; 184:110520. [PMID: 31590052 DOI: 10.1016/j.colsurfb.2019.110520] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 09/09/2019] [Accepted: 09/21/2019] [Indexed: 02/05/2023]
Abstract
Titanium (Ti) and its alloys have been frequently used in dental and orthopedic implants, but the undesired oxide layer easily formed on the surface tends to be the cause of implant failure for Ti-based implants. To address this problem, we herein prepared a phosphorylated Ti coating (TiP-Ti) with a micro/nano hierarchically structured topography on commercially pure Ti implants by a hydrothermal method to improve its osteointegration capacity. The surface morphology, chemical composition, and biological activity were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), contact-angle measurement, and protein adsorption assay. Osteointegration of TiP-Ti implants in rat tibia was investigated by biomechanical testing, micro-CT and histological analyses. We further explored the proposed mechanism which improves osteointegration of TiP-Ti implants by proliferation, adhesion, and differentiation assays of rat bone marrow mesenchymal stem cells (BMSCs). Our results demonstrated that the improved osteointegration mainly benefited from the better spread and adhesion of BMSCs on the micro/nano hierarchically structured TiP-Ti surfaces compared to hydroxyapatite coated Ti (HA-Ti), the positive control, and untreated Ti (untreated-Ti), the negative control. In conclusion, TiP-Ti surface is a promising candidate implant surface design to accelerate the osteointegration of Ti-based implants in biomedical applications.
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Affiliation(s)
- Nan Jiang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Disease & West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu 610065, China
| | - Zhijun Guo
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Disease & West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu 610065, China
| | - Dan Sun
- School of Mechanical and Aerospace Engineering, Queens University Belfast, Belfast BT7 1NN, UK
| | - Birol Ay
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, M5S 3E3, Canada
| | - Yubao Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Disease & West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu 610065, China
| | - Yutao Yang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Disease & West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu 610065, China
| | - Peijie Tan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Disease & West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu 610065, China
| | - Li Zhang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Disease & West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu 610065, China.
| | - Songsong Zhu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Disease & West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu 610065, China.
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11
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Oltean-Dan D, Dogaru GB, Tomoaia-Cotisel M, Apostu D, Mester A, Benea HRC, Paiusan MG, Jianu EM, Mocanu A, Balint R, Popa CO, Berce C, Bodizs GI, Toader AM, Tomoaia G. Enhancement of bone consolidation using high-frequency pulsed electromagnetic short-waves and titanium implants coated with biomimetic composite embedded into PLA matrix: in vivo evaluation. Int J Nanomedicine 2019; 14:5799-5816. [PMID: 31440048 PMCID: PMC6664427 DOI: 10.2147/ijn.s205880] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 05/14/2019] [Indexed: 12/25/2022] Open
Abstract
Purpose Bone consolidation after severe trauma is the most challenging task in orthopedic surgery. This study aimed to develop biomimetic composite for coating Ti implants. Afterwards, these implants were tested in vivo to assess bone consolidation in the absence or the presence of high-frequency pulsed electromagnetic short-waves (HF-PESW). Materials Biomimetic coating was successfully developed using multi-substituted hydroxyapatite (ms-HAP) functionalized with collagen (ms-HAP/COL), embedded into poly-lactic acid (PLA) matrix (ms-HAP/COL@PLA), and subsequently covered with self-assembled COL layer (ms-HAP/COL@PLA/COL, named HAPc). Methods For in vivo evaluation, 32 Wistar albino rats were used in four groups: control group (CG) with Ti implant; PESW group with Ti implant+HF-PESW; HAPc group with Ti implant coated with HAPc; HAPc+PESW group with Ti implant coated with HAPc+HF-PESW. Left femoral diaphysis was fractured and fixed intramedullary. From the first post-operative day, PESW and HAPc+PESW groups underwent HF-PESW stimulation for 14 consecutive days. Biomimetic coating was characterized by XRD, HR-TEM, SEM, EDX and AFM. Results Osteogenic markers (ALP and osteocalcin) and micro-computed tomography (CT) analysis (especially bone volume/tissue volume ratio results) indicated at 2 weeks the following group order: HAPc+PESW>HAPc≈PESW (P>0.05) and HAPc+PESW>control (P<0.05), indicating the higher values in HAPc+PESW group compared to CG. The fracture-site bone strength showed, at 2 weeks, the highest average value in HAPc+PESW group. Moreover, histological analysis revealed the most abundant COL fibers assembled in dense bundles in HAPc-PESW group. At 8 weeks, micro-CT indicated higher values only in HAPc+PESW group vs CG (P<0.05), and histological results showed a complete-healed fracture in groups: HAPc+PESW, HAPc and PESW, but with more advanced bone remodeling in HAPc+PESW group. Conclusion Using Ti implants coated by HAPc jointly with HF-PESW stimulation positively influenced the bone consolidation process, especially in its early phase, thus potentially providing a superior strategy for clinical applications.
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Affiliation(s)
- Daniel Oltean-Dan
- Iuliu Hatieganu University of Medicine and Pharmacy, Department of Orthopedics and Traumatology, 400132 Cluj-Napoca, Romania
| | - Gabriela-Bombonica Dogaru
- Iuliu Hatieganu University of Medicine and Pharmacy, Department of Medical Rehabilitation, 400347 Cluj-Napoca, Romania
| | - Maria Tomoaia-Cotisel
- Babes Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemical Engineering, Research Center of Physical Chemistry, 400028 Cluj-Napoca, Romania.,Academy of Romanian Scientists , 050085 Bucharest, Romania
| | - Dragos Apostu
- Iuliu Hatieganu University of Medicine and Pharmacy, Department of Orthopedics and Traumatology, 400132 Cluj-Napoca, Romania
| | - Alexandru Mester
- Iuliu Hatieganu University of Medicine and Pharmacy, Department of Oral Rehabilitation, Oral Health and Management, 400012 Cluj-Napoca, Romania
| | - Horea-Rares-Ciprian Benea
- Iuliu Hatieganu University of Medicine and Pharmacy, Department of Orthopedics and Traumatology, 400132 Cluj-Napoca, Romania
| | - Mihai-Gheorghe Paiusan
- Iuliu Hatieganu University of Medicine and Pharmacy, Department of Orthopedics and Traumatology, 400132 Cluj-Napoca, Romania
| | - Elena-Mihaela Jianu
- Iuliu Hatieganu University of Medicine and Pharmacy, Department of Histology, 400349 Cluj-Napoca, Romania
| | - Aurora Mocanu
- Babes Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemical Engineering, Research Center of Physical Chemistry, 400028 Cluj-Napoca, Romania
| | - Reka Balint
- Babes Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemical Engineering, Research Center of Physical Chemistry, 400028 Cluj-Napoca, Romania
| | - Catalin-Ovidiu Popa
- Technical University of Cluj-Napoca, Department of Materials Science and Engineering, 400641 Cluj-Napoca, Romania
| | - Cristian Berce
- Iuliu Hatieganu University of Medicine and Pharmacy, Center for Experimental Medicine, 400349 Cluj-Napoca, Romania
| | | | - Alina-Mihaela Toader
- Iuliu Hatieganu University of Medicine and Pharmacy, Department of Physiology, 400006 Cluj-Napoca, Romania
| | - Gheorghe Tomoaia
- Iuliu Hatieganu University of Medicine and Pharmacy, Department of Orthopedics and Traumatology, 400132 Cluj-Napoca, Romania.,Academy of Romanian Scientists , 050085 Bucharest, Romania
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Lin HI, Kuo YM, Hu CC, Lee MH, Chen LH, Li CT, Wong TH, Yen TJ. Functional Studies of Anodic Oxidized β-Ti-28Nb-11Ta-8Zr Alloy for Mechanical, In-vitro and Antibacterial Capability. Sci Rep 2018; 8:14253. [PMID: 30250121 PMCID: PMC6155372 DOI: 10.1038/s41598-018-32462-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 09/03/2018] [Indexed: 01/06/2023] Open
Abstract
We developed an osseocompatible β-type Ti-28Nb-11Ta-8Zr (TNTZ) alloy that displays the excellent elastic modulus, cellular response, corrosion resistance and antibacterial capability demanded for bone-mimetic materials. The TNTZ alloy exhibited an elastic modulus of 49 GPa, which approximates that of human bones and prevent stress shielding effects. A further anodic oxidation and subsequent post-annealing modification formed a crystalline nanoporous TNTZ oxide layer (NPTNTZO(c)) on the alloy surface, potentially promoting interlocking with the extracellular matrix of bone cells and cell proliferation. Osteoblast viability tests also verified that NPTNTZO(c) enhanced cell growth more significantly than that of flat TNTZ. In addition, potentiodynamic polarization tests in Hanks' balanced salt solution (HBSS) revealed that both TNTZ and NPTNTZO(c) exhibited better corrosion resistance than commercial pure titanium. Finally, NPTNTZO(c) reinforced with silver nanoparticles (NPTNTZO
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Affiliation(s)
- Hsin-I Lin
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Yu-Ming Kuo
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Chun-Chih Hu
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Mu-Huan Lee
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Ling-Hsiang Chen
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Chung-Tien Li
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Tze-Hong Wong
- Department of Orthopedics, National Taiwan University Hospital Hsinchu Branch, Hsinchu, 30059, Taiwan
| | - Ta-Jen Yen
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan. .,Center for Nanotechnology, Materials Science, and Microsystems, National Tsing Hua University, Hsinchu, 30013, Taiwan. .,High Entropy Materials Center, National Tsing Hua University, Hsinchu, 30013, Taiwan.
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Neary G, Blom AW, Shiel AI, Wheway G, Mansell JP. Development and biological evaluation of fluorophosphonate-modified hydroxyapatite for orthopaedic applications. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:122. [PMID: 30032456 DOI: 10.1007/s10856-018-6130-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 07/09/2018] [Indexed: 06/08/2023]
Abstract
There is an incentive to functionalise hydroxyapatite (HA) for orthopaedic implant use with bioactive agents to encourage superior integration of the implants into host bone. One such agent is (3S) 1-fluoro-3-hydroxy-4-(oleoyloxy) butyl-1-phosphonate (FHBP), a phosphatase-resistant lysophosphatidic acid (LPA) analogue. We investigated the effect of an FHBP-HA coating on the maturation of human (MG63) osteoblast-like cells. Optimal coating conditions were identified and cell maturation on modified and unmodified, control HA surfaces was assessed. Stress tests were performed to evaluate coating survivorship after exposure to mechanical and thermal insults that are routinely encountered in the clinical environment. MG63 maturation was found to be three times greater on FHBP-modified HA compared to controls (p < 0.0001). There was no significant loss of coating bioactivity after autoclaving (P = 0.9813) although functionality declined by 67% after mechanical cleaning and reuse (p < 0.0001). The bioactivity of modified disks was significantly greater than that of controls following storage for up to six months (p < 0.001). Herein we demonstrate that HA can be functionalised with FHBP in a facile, scalable manner and that this novel surface has the capacity to enhance osteoblast maturation. Improving the biological performance of HA in a bone regenerative setting could be realised through the simple conjugation of bioactive LPA species in the future. Depicted is a stylised summary of hydroxyapatite (HA) surface modification using an analogue of lysophosphatidic acid, FHBP. a HA surfaces are simply steeped in an aqueous solution of 2 μM FHBP. b The polar head group of some FHBP molecules react with available hydroxyl residues at the mineral surfaces forming robust HA-O-P bonds leaving acyl chain extensions perpendicular to the HA surface. These fatty acyl chains provide points of integration for other FHBP molecules to facilitate their self-assembly. This final surface finish enhanced the human osteoblast maturation response to calcitriol, the active vitamin D3 metabolite.
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Affiliation(s)
- Gráinne Neary
- Musculoskeletal Research Unit, University of Bristol, Level 1 Learning and Research Building, Bristol, BS10 5NB, UK.
| | - Ashley W Blom
- Musculoskeletal Research Unit, University of Bristol, Level 1 Learning and Research Building, Bristol, BS10 5NB, UK
| | - Anna I Shiel
- Department of Applied Sciences, University of the West of England, Frenchay Campus, Coldharbour Lane, Bristol, BS16 1QY, UK
| | - Gabrielle Wheway
- Department of Applied Sciences, University of the West of England, Frenchay Campus, Coldharbour Lane, Bristol, BS16 1QY, UK
| | - Jason P Mansell
- Department of Applied Sciences, University of the West of England, Frenchay Campus, Coldharbour Lane, Bristol, BS16 1QY, UK.
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Lopes F, Oliveira J, Milani J, Oliveira L, Machado J, Trava-Airoldi V, Lobo A, Marciano F. Biomineralized diamond-like carbon films with incorporated titanium dioxide nanoparticles improved bioactivity properties and reduced biofilm formation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 81:373-379. [DOI: 10.1016/j.msec.2017.07.043] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 07/07/2017] [Accepted: 07/27/2017] [Indexed: 01/11/2023]
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GRISCHKE J, EBERHARD J, STIESCH M. Antimicrobial dental implant functionalization strategies —A systematic review. Dent Mater J 2016; 35:545-58. [DOI: 10.4012/dmj.2015-314] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Jasmin GRISCHKE
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School
| | - Jörg EBERHARD
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School
| | - Meike STIESCH
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School
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Mandracci P, Mussano F, Ceruti P, Pirri CF, Carossa S. Reduction of bacterial adhesion on dental composite resins by silicon-oxygen thin film coatings. ACTA ACUST UNITED AC 2015; 10:015017. [PMID: 25634298 DOI: 10.1088/1748-6041/10/1/015017] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Adhesion of bacteria on dental materials can be reduced by modifying the physical and chemical characteristics of their surfaces, either through the application of specific surface treatments or by the deposition of thin film coatings. Since this approach does not rely on the use of drugs or antimicrobial agents embedded in the materials, its duration is not limited by their possible depletion. Moreover it avoids the risks related to possible cytotoxic effects elicited by antibacterial substances released from the surface and diffused in the surrounding tissues. In this work, the adhesion of Streptococcus mutans and Streptococcus mitis was studied on four composite resins, commonly used for manufacturing dental prostheses. The surfaces of dental materials were modified through the deposition of a-SiO(x) thin films by plasma enhanced chemical vapor deposition. The chemical bonding structure of the coatings was analyzed by Fourier-transform infrared spectroscopy. The morphology of the dental materials before and after the coating deposition was assessed by means of optical microscopy and high-resolution mechanical profilometry, while their wettability was investigated by contact angle measurements. The sample roughness was not altered after coating deposition, while a noticeable increase of wettability was detected for all the samples. Also, the adhesion of S. mitis decreased in a statistically significant way on the coated samples, when compared to the uncoated ones, which did not occur for S. mutans. Within the limitations of this study, a-SiO(x) coatings may affect the adhesion of bacteria such as S. mitis, possibly by changing the wettability of the composite resins investigated.
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Affiliation(s)
- Pietro Mandracci
- Politecnico di Torino, Department of Applied Science and Technology - Materials and Microsystems Laboratory (ChiLab), corso Duca degli Abruzzi 24, I-10129, Torino, Italy
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Uskoković V. Nanostructured platforms for the sustained and local delivery of antibiotics in the treatment of osteomyelitis. Crit Rev Ther Drug Carrier Syst 2015; 32:1-59. [PMID: 25746204 PMCID: PMC4406243 DOI: 10.1615/critrevtherdrugcarriersyst.2014010920] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
This article provides a critical view of the current state of the development of nanoparticulate and other solid-state carriers for the local delivery of antibiotics in the treatment of osteomyelitis. Mentioned are the downsides of traditional means for treating bone infection, which involve systemic administration of antibiotics and surgical debridement, along with the rather imperfect local delivery options currently available in the clinic. Envisaged are more sophisticated carriers for the local and sustained delivery of antimicrobials, including bioresorbable polymeric, collagenous, liquid crystalline, and bioglass- and nanotube-based carriers, as well as those composed of calcium phosphate, the mineral component of bone and teeth. A special emphasis is placed on composite multifunctional antibiotic carriers of a nanoparticulate nature and on their ability to induce osteogenesis of hard tissues demineralized due to disease. An ideal carrier of this type would prevent the long-term, repetitive, and systemic administration of antibiotics and either minimize or completely eliminate the need for surgical debridement of necrotic tissue. Potential problems faced by even hypothetically "perfect" antibiotic delivery vehicles are mentioned too, including (i) intracellular bacterial colonies involved in recurrent, chronic osteomyelitis; (ii) the need for mechanical and release properties to be adjusted to the area of surgical placement; (iii) different environments in which in vitro and in vivo testings are carried out; (iv) unpredictable synergies between drug delivery system components; and (v) experimental sensitivity issues entailing the increasing subtlety of the design of nanoplatforms for the controlled delivery of therapeutics.
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Affiliation(s)
- Vuk Uskoković
- Advanced Materials and Nanobiotechnology Laboratory, Richard and Loan Hill Department of Bioengineering, College of Medicine, University of Illinois at Chicago, 851 South Morgan St, #205 Chicago, Illinois, 60607-7052
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Shibata Y, Tanimoto Y. A review of improved fixation methods for dental implants. Part I: Surface optimization for rapid osseointegration. J Prosthodont Res 2015; 59:20-33. [DOI: 10.1016/j.jpor.2014.11.007] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Revised: 11/05/2014] [Accepted: 11/17/2014] [Indexed: 10/24/2022]
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Smieszek A, Donesz-Sikorska A, Grzesiak J, Krzak J, Marycz K. Biological effects of sol-gel derived ZrO2 and SiO2/ZrO2 coatings on stainless steel surface--In vitro model using mesenchymal stem cells. J Biomater Appl 2014; 29:699-714. [PMID: 25074359 DOI: 10.1177/0885328214545095] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The objective of this study was to determine biocompatibility of zirconia-based coatings obtained by the sol-gel method. Two matrices, ZrO2 and SiO2/ZrO2, were created and applied on stainless steel type 316L with dip-coating technique. The morphology and topography of biomaterials' surface were characterized using energy-dispersive X-ray spectroscopy and atomic force microscopy, while chemical composition was analyzed by Raman spectroscopy. Additionally, wettability and surface free energy were characterized. Biocompatibility of obtained biomaterials was evaluated using an in vitro model employing mesenchymal stem cells (MSCs) of adipose and bone marrow origin. Biological analysis included determination of proliferation activity and morphology of MSCs in cultures on synthesized biomaterials. Osteoinductive properties of biomaterials were determined both in non-osteogenic, as well as osteogenic conditions. The results showed that investigated biomaterials exerted different impact on MSCs. Biomaterial with ZrO2 layer was more biocompatible for adipose-derived MSCs, while SiO2/ZrO2 layer promoted proliferation of bone marrow derived MSCs. Moreover, hybrid coating exhibited greater osteoinductive properties than ZrO2 coating, both on cultures with adipose-derived stromal (stem) cells and bone marrow stromal cells. Observed biological effects may result not only from different chemical composition, but also from diverse wettability. The ZrO2 coating was characterized as hydrophobic layer, while SiO2/ZrO2 exhibited hydrophilic properties. The results obtained suggest that behavior of MSCs in response to the biomaterial may vary depending on their origin, therefore we postulate, that screening analysis of implants' biocompatibility, should incorporate model applying both adipose- and bone marrow derived MSCs.
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Affiliation(s)
- Agnieszka Smieszek
- Electron Microscopy Laboratory, University of Environmental and Life Sciences, Kożuchowska, Wroclaw, Poland Wrocławskie Centrum Badań EIT+, Stablowicka, Wroclaw, Poland
| | - Anna Donesz-Sikorska
- Institute of Materials Science and Applied Mechanics, Wroclaw University of Technology, Smoluchowskiego, Wroclaw, Poland
| | - Jakub Grzesiak
- Electron Microscopy Laboratory, University of Environmental and Life Sciences, Kożuchowska, Wroclaw, Poland
| | - Justyna Krzak
- Institute of Materials Science and Applied Mechanics, Wroclaw University of Technology, Smoluchowskiego, Wroclaw, Poland
| | - Krzysztof Marycz
- Electron Microscopy Laboratory, University of Environmental and Life Sciences, Kożuchowska, Wroclaw, Poland Wrocławskie Centrum Badań EIT+, Stablowicka, Wroclaw, Poland
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Venault A, Yang HS, Chiang YC, Lee BS, Ruaan RC, Chang Y. Bacterial resistance control on mineral surfaces of hydroxyapatite and human teeth via surface charge-driven antifouling coatings. ACS APPLIED MATERIALS & INTERFACES 2014; 6:3201-3210. [PMID: 24513459 DOI: 10.1021/am404780w] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
This works reports a set of new functionalized polyethyleneimine (PEI) polymers, including a neutral PEGylated polymer PEI-g-PEGMA, a negatively charged polymer PEI-g-SA, and a zwitterionic polymer PEI-g-SBMA, and their use as antibiofouling coating agent for human teeth protection. Polymers were synthesized by Michael addition, XPS analysis revealed that each polymer could be efficiently coated onto hydroxyapatite, ceramic material used as a model tooth. Polymers carrying a negative net charge were more efficiently adsorbed, because of the establishment of electrostatic interactions with calcium ions. Protein adsorption tests revealed that two factors were important in the reduction of protein adsorption. Both the surface charge and the surface ability to bind and entrap water molecules had to be considered. PEI-g-SBMA, which zeta potential in PBS solution was negative, was efficient to inhibit the adsorption of BSA, a negative protein. On the other hand, it also resisted the adsorption of lysozyme, a positive protein, because zwitterionic molecules can easily entrap water and provide a very hydrophilic environment. Streptococcus mutans attachment tests performed unveiled that all modified polymers were efficient to resist this type of bacteria responsible for dental carries. Best results were also obtained with PEI-g-SBMA coating. This polymer was also shown to efficiently resist the adsorption of positively charged bacteria (Stenotrophomonas maltophilia). Tests performed on real human tooth showed that PEI-g-SBMA could inhibit up to 70% of bacteria adhesion, which constitutes a major result considering that surface of teeth is very rough, therefore physically promoting the attachment of proteins and bacteria.
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Affiliation(s)
- Antoine Venault
- R&D Center for Membrane Technology and Department of Chemical Engineering, Chung Yuan Christian University , Chung-Li, Taoyuan 320, Taiwan
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Surmenev RA, Surmeneva MA, Ivanova AA. Significance of calcium phosphate coatings for the enhancement of new bone osteogenesis--a review. Acta Biomater 2014; 10:557-79. [PMID: 24211734 DOI: 10.1016/j.actbio.2013.10.036] [Citation(s) in RCA: 317] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Revised: 10/25/2013] [Accepted: 10/29/2013] [Indexed: 12/15/2022]
Abstract
A systematic analysis of results available from in vitro, in vivo and clinical trials on the effects of biocompatible calcium phosphate (CaP) coatings is presented. An overview of the most frequently used methods to prepare CaP-based coatings was conducted. Dense, homogeneous, highly adherent and biocompatible CaP or hybrid organic/inorganic CaP coatings with tailored properties can be deposited. It has been demonstrated that CaP coatings have a significant effect on the bone regeneration process. In vitro experiments using different cells (e.g. SaOS-2, human mesenchymal stem cells and osteoblast-like cells) have revealed that CaP coatings enhance cellular adhesion, proliferation and differentiation to promote bone regeneration. However, in vivo, the exact mechanism of osteogenesis in response to CaP coatings is unclear; indeed, there are conflicting reports of the effectiveness of CaP coatings, with results ranging from highly effective to no significant or even negative effects. This review therefore highlights progress in CaP coatings for orthopaedic implants and discusses the future research and use of these devices. Currently, an exciting area of research is in bioactive hybrid composite CaP-based coatings containing both inorganic (CaP coating) and organic (collagen, bone morphogenetic proteins, arginylglycylaspartic acid etc.) components with the aim of promoting tissue ingrowth and vascularization. Further investigations are necessary to reveal the relative influences of implant design, surgical procedure, and coating characteristics (thickness, structure, topography, porosity, wettability etc.) on the long-term clinical effects of hybrid CaP coatings. In addition to commercially available plasma spraying, other effective routes for the fabrication of hybrid CaP coatings for clinical use still need to be determined and current progress is discussed.
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Affiliation(s)
- Roman A Surmenev
- Department of Theoretical and Experimental Physics, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia; Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, 70569 Stuttgart, Germany.
| | - Maria A Surmeneva
- Department of Theoretical and Experimental Physics, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
| | - Anna A Ivanova
- Department of Theoretical and Experimental Physics, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
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Iconaru SL, Chapon P, Le Coustumer P, Predoi D. Antimicrobial activity of thin solid films of silver doped hydroxyapatite prepared by sol-gel method. ScientificWorldJournal 2014; 2014:165351. [PMID: 24523630 PMCID: PMC3913497 DOI: 10.1155/2014/165351] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Accepted: 10/20/2013] [Indexed: 02/07/2023] Open
Abstract
In this work, the preparation and characterization of silver doped hydroxyapatite thin films were reported and their antimicrobial activity was characterized. Silver doped hydroxyapatite (Ag:HAp) thin films coatings substrate was prepared on commercially pure Si disks by sol-gel method. The silver doped hydroxyapatite thin films were characterized by various techniques such as Scanning electron microscopy (SEM) with energy Dispersive X-ray attachment (X-EDS), Fourier transform infrared spectroscopy (FT-IR), and glow discharge optical emission spectroscopy (GDOES). These techniques have permitted the structural and chemical characterisation of the silver doped hydroxyapatite thin films. The antimicrobial effect of the Ag:HAp thin films on Escherichia coli and Staphylococcus aureus bacteria was then investigated. This is the first study on the antimicrobial effect of Ag:HAp thin films obtained by sol-gel method. The results of this study have shown that the Ag:HAp thin films with x(Ag) = 0.5 are effective against E. coli and S. aureus after 24 h.
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Affiliation(s)
| | - Patrick Chapon
- Horiba Jobin Yvon S.A., 16-18 rue du Canal, 91165 Longjumeau Cedex, France
| | - Philippe Le Coustumer
- Universite Bordeaux, EA 4592 Géoressources & Environnement, ENSEGID, 1 allée F. Daguin, 33607 Pessac Cedex, France
| | - Daniela Predoi
- National Institute of Materials Physics, P.O. Box MG 07, Magurele, Romania
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Hu X, Neoh KG, Shi Z, Kang ET, Wang W. An in vitro assessment of fibroblast and osteoblast response to alendronate-modified titanium and the potential for decreasing fibrous encapsulation. Tissue Eng Part A 2013; 19:1919-30. [PMID: 23540949 DOI: 10.1089/ten.tea.2012.0218] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Fibrous encapsulation can impair implant osseointegration and cause implant failure but currently there are limited strategies to address this problem. Since bisphosphonates (BPs), a class of drugs widely used to treat bone diseases, was recently found to induce fibroblast apoptosis, we hypothesize that by loading BPs on titanium (Ti) implant surface, fibrous encapsulation may be inhibited with simultaneous enhancement of implant osseointegration. This strategy of local administration can also be expected to minimize the adverse side effects of BPs, which are associated with intravenous injections. To verify this hypothesis, alendronate was loaded on Ti surface via a hydroxyapatite (CaP) coating, and the effects of the loaded alendronate on fibroblast proliferation and apoptosis, and osteoblast proliferation, alkaline phosphatase (ALP) activity, and apoptosis were investigated in vitro. With a surface density of loaded alendronate 0.046 mg/cm(2) or higher, fibroblast proliferation was suppressed due to increased apoptosis, while osteoblast proliferation and ALP activity increased with minimal apoptosis. In a coculture of fibroblasts and osteoblasts in a 1:1 ratio, ~60% of the cells on these alendronate-loaded substrates were osteoblasts 1 day after cell seeding. The percentage of osteoblasts increased to about 75% 4 days after cell seeding. These results suggest that fibroblasts and osteoblasts respond differently toward the alendronate-modified substrates, and this phenomenon can potentially be capitalized to reduce fibrous encapsulation.
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Affiliation(s)
- Xuefeng Hu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, Singapore
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Thalji G, Gretzer C, Cooper LF. Comparative molecular assessment of early osseointegration in implant-adherent cells. Bone 2013; 52:444-53. [PMID: 22884725 DOI: 10.1016/j.bone.2012.07.026] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Revised: 07/24/2012] [Accepted: 07/25/2012] [Indexed: 01/19/2023]
Abstract
OBJECTIVE The objective of our study is to identify the early molecular processes involved in osseointegration associated with a micro roughened and nanosurface superimposed featured implants. MATERIALS AND METHODS Thirty-two titanium implants with surface topographies exhibiting a micro roughened (AT-II) and nanosurface superimposed featured implants (AT-I) were placed in the tibiae of 8 rats and subsequently harvested at 2 and 4 days after placement. Total RNA was isolated from cells adherent to retrieved implants. A whole genome microarray using the Affymetrix Rat Gene 1.1 ST Array followed by validation of select genes through qRT-PCR was used to describe the gene expression profiles that were differentially regulated by the implant surfaces. RESULTS While significant differences at the gene level were not noted when comparing the two-implant surfaces at each time point, the microarray identified several genes that were differentially regulated at day 4 vs. day 2 for both implant surfaces. A total of 649 genes were differentially regulated at day 4 vs. day 2 in AT-I and 392 genes in AT-II implants. Functionally relevant categories related to ossification, skeletal system development, osteoblast differentiation, bone development, bone mineralization and biomineral tissue development were upregulated and more prominent at AT-I (day 4 vs. day 2) compared to AT-II. Analysis of the downregulated gene lists (day 4 vs. day 2) with average fold change >2 (were not statistically significant) revealed the biological processes involved with the inflammatory/immune response gene expression. The number of genes that were associated with the inflammatory/immune response category was greater for AT-I than AT-II. CONCLUSIONS The presence of nanosurface features modulated in vivo bone response. Gene regulation implicating osteogenesis as well as the inflammatory/immune responses that occur as a function of surface topography may affect bone mass shortly after implant placement.
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Affiliation(s)
- Ghadeer Thalji
- Department of Prosthodontics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Ciobanu CS, Iconaru SL, Pasuk I, Vasile BS, Lupu AR, Hermenean A, Dinischiotu A, Predoi D. Structural properties of silver doped hydroxyapatite and their biocompatibility. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2012; 33:1395-402. [PMID: 23827587 DOI: 10.1016/j.msec.2012.12.042] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2012] [Revised: 07/30/2012] [Accepted: 12/05/2012] [Indexed: 12/21/2022]
Abstract
The aim of this study was to obtain a novel hydroxyapatite-based material with high biocompatibility. The structural properties of the samples were well characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and X-ray Photoelectron Spectroscopy (XPS). The X-ray diffraction studies revealed the characteristic peaks of hydroxyapatite in each sample. Other phases or impurities were not observed. The scanning electron microscopy observations suggest that the doping components have no influence on the surface morphology of the samples, which reveals a homogeneous aspect of the synthesized particles for all samples. The presence of calcium (Ca), phosphor (P), oxygen (O) and silver (Ag) in the Ag:HAp is confirmed by energy dispersive X-ray (EDAX) and X-ray Photoelectron Spectroscopy analyses. Nanocrystalline silver doped HAp stimulated viability and potentiated the activation of murine macrophages.
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Affiliation(s)
- C S Ciobanu
- National Institute Materials Physics, 105 bis Atomistilor, P.O. Box MG 07, 077125 Bucuresti-Magurele, Romania
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