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Carrazco Ávila PY, Arias Moliz T, Rosales Leal JI, Baca P, Rodríguez Valverde MÁ, Morales Hernandez ME. Novel Ti surface coated with PVA hydrogel and chitosan nanoparticles with antibacterial drug release: An experimental in vitro study. Clin Implant Dent Relat Res 2024; 26:427-441. [PMID: 38419213 DOI: 10.1111/cid.13305] [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: 07/20/2023] [Revised: 12/04/2023] [Accepted: 01/13/2024] [Indexed: 03/02/2024]
Abstract
OBJECTIVES The aims of this study were to design a novel titanium surface coated with a PVA hydrogel matrix and chitosan-based nanoparticles and to investigate the antibiotic release and its ability to inhibit microbial activity. METHODS Two drug delivery systems were developed and mixed. Chitosan-based nanoparticles (NP) and a polyvinyl alcohol film (PVA). The size, ζ-potential, stability, adhesive properties, and encapsulation profile of NP, as well as the release kinetics of drug delivery systems and their antimicrobial ability of PVA and PVANP films, were studied on Ti surfaces. The systems were loaded with doxycycline, vancomycin, and doxepin hydrochloride. RESULTS Nanoparticles presented a ζ-potential greater than 30 mV for 45 days and the efficiency drug encapsulation was 26.88% ± 1.51% for doxycycline, 16.09% ± 10.24% for vancomycin and 17.57% ± 11.08% for doxepin. In addition, PVA films were loaded with 125 μg/mL of doxycycline, 125 μg/mL of vancomycin, and 100 μg/mL of doxepin. PVANP-doxycycline achieved the antibacterial effect at 4 h while PVA-doxycycline maintained its effect at 24 h.
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Affiliation(s)
- Pablo Yael Carrazco Ávila
- Department of Stomatology, School of Dentistry, Campus de Cartuja s/n, University of Granada, Granada, Spain
| | - Teresa Arias Moliz
- Department of Microbiology, School of Dentistry, University of Granada, Granada, Spain
| | - Juan Ignacio Rosales Leal
- Department of Stomatology, School of Dentistry, Campus de Cartuja s/n, University of Granada, Granada, Spain
| | - Pilar Baca
- Department of Stomatology, School of Dentistry, Campus de Cartuja s/n, University of Granada, Granada, Spain
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2
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Zhou Z, Zhang Y, Zeng Y, Yang D, Mo J, Zheng Z, Zhang Y, Xiao P, Zhong X, Yan W. Effects of Nanomaterials on Synthesis and Degradation of the Extracellular Matrix. ACS NANO 2024; 18:7688-7710. [PMID: 38436232 DOI: 10.1021/acsnano.3c09954] [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: 03/05/2024]
Abstract
Extracellular matrix (ECM) remodeling is accompanied by the continuous synthesis and degradation of the ECM components. This dynamic process plays an important role in guiding cell adhesion, migration, proliferation, and differentiation, as well as in tissue development, body repair, and maintenance of homeostasis. Nanomaterials, due to their photoelectric and catalytic properties and special structure, have garnered much attention in biomedical fields for use in processes such as tissue engineering and disease treatment. Nanomaterials can reshape the cell microenvironment by changing the synthesis and degradation of ECM-related proteins, thereby indirectly changing the behavior of the surrounding cells. This review focuses on the regulatory role of nanomaterials in the process of cell synthesis of different ECM-related proteins and extracellular protease. We discuss influencing factors and possible related mechanisms of nanomaterials in ECM remodeling, which may provide different insights into the design and development of nanomaterials for the treatment of ECM disorder-related diseases.
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Affiliation(s)
- Zhiyan Zhou
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yanli Zhang
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou 510260, China
| | - Yuting Zeng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Dehong Yang
- Department of Orthopedics - Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Jiayao Mo
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ziting Zheng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yuxin Zhang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ping Xiao
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Xincen Zhong
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Wenjuan Yan
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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Georgakopoulos-Soares I, Papazoglou EL, Karmiris-Obratański P, Karkalos NE, Markopoulos AP. Surface antibacterial properties enhanced through engineered textures and surface roughness: A review. Colloids Surf B Biointerfaces 2023; 231:113584. [PMID: 37837687 DOI: 10.1016/j.colsurfb.2023.113584] [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: 07/19/2023] [Revised: 10/04/2023] [Accepted: 10/09/2023] [Indexed: 10/16/2023]
Abstract
The spread of bacteria through contaminated surfaces is a major issue in healthcare, food industry, and other economic sectors. The widespread use of antibiotics is not a sustainable solution in the long term due to the development of antibiotic resistance. Therefore, surfaces with antibacterial properties have the potential to be a disruptive approach to combat microbial contamination. Different methods and approaches have been studied to impart or enhance antibacterial properties on surfaces. The surface roughness and texture are inherent parameters that significantly impact the antibacterial properties of a surface. They are also directly related to the previously employed machining and treatment methods. This review article discusses the correlation between surface roughness and antibacterial properties is presented and discussed. It begins with an introduction to the concepts of surface roughness and texture, followed by a description of the most commonly utilized machining methods and surface. A thorough analysis of bacterial adhesion and growth is then presented. Finally, the most recent studies in this research area are comprehensively reviewed. The studies are sorted and classified based on the utilized machining and treatment methods, which are divided into mechanical processes, surface treatments and coatings. Through the systematic review and record of the recent advances, the authors aim to assist and promote further research in this very promising and extremely important direction, by providing a systematic review of recent advances.
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Affiliation(s)
- Ilias Georgakopoulos-Soares
- Institute for Personalized Medicine, Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, PA, USA; School of Mechanical Engineering, Section of Manufacturing Technology, National Technical University of Athens, Heroon Polytechniou 9, 15780 Athens, Greece
| | - Emmanouil L Papazoglou
- School of Mechanical Engineering, Section of Manufacturing Technology, National Technical University of Athens, Heroon Polytechniou 9, 15780 Athens, Greece
| | - Panagiotis Karmiris-Obratański
- Department of Manufacturing Systems, Faculty of Mechanical Engineering and Robotics, AGH University of Krakow, 30-059 Cracow, Poland.
| | - Nikolaos E Karkalos
- School of Mechanical Engineering, Section of Manufacturing Technology, National Technical University of Athens, Heroon Polytechniou 9, 15780 Athens, Greece
| | - Angelos P Markopoulos
- School of Mechanical Engineering, Section of Manufacturing Technology, National Technical University of Athens, Heroon Polytechniou 9, 15780 Athens, Greece
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4
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Wongsue S, Thanatvarakorn O, Prasansuttiporn T, Nimmanpipug P, Sastraruji T, Hosaka K, Foxton RM, Nakajima M. Effect of surface topography and wettability on shear bond strength of Y-TZP ceramic. Sci Rep 2023; 13:18249. [PMID: 37880480 PMCID: PMC10600127 DOI: 10.1038/s41598-023-45510-8] [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: 05/27/2023] [Accepted: 10/20/2023] [Indexed: 10/27/2023] Open
Abstract
Zirconia ceramics have been widely used as dental restorations due to their esthetic appearance and high flexural strength. The bonding of zirconia with resin cement should rely on both mechanical and chemical bonds. This study was performed to investigate the effect of zirconia surface topography and its wettability after surface pretreatments on the microshear bond strength (μSBS) of a resin cement. Zirconia slabs were prepared and randomly divided into 5 groups based on the surface treatment as follows: no treatment (control), air abrasion (AB), etching with hydrofluoric acid (F), the mixture of hydrofluoric acid and nitric acid (FN), or the mixture of hydrochloric acid and nitric acid (CN) for 10 min. The specimens were subjected to investigation of surface roughness characteristics [average roughness (Ra), peak-to-valley average distance (Rpv), skewness (Rsk), and kurtosis (Rku)] using atomic force microscopy (AFM) and measurements of surface contact angle (θc) and μSBS of a resin cement. In addition, the area % of the nanoscale surface irregularity (nSI%) was calculated from the AFM images. The effects of nSI%, Ra and θc on the μSBS were analyzed by multiple linear regression analysis (p < 0.05). Multiple regression analysis revealed that the nSI% was the most predominant factor for the μSBS (p < 0.001). A surface with larger nSI%, higher Ra and relatively lower θc was essential for establishing a reliable resin-zirconia bond.
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Affiliation(s)
- Suriyakul Wongsue
- Dental Section, Buddhasothorn Hospital, Na Muang, Muang, 24000, Chachoengsao, Thailand
| | - Ornnicha Thanatvarakorn
- Faculty of Dentistry, Bangkokthonburi University, 16/10 Leab Klong Taweewatana Rd., Taweewatana, 10170, Bangkok, Thailand
| | - Taweesak Prasansuttiporn
- Department of Restorative Dentistry and Periodontology, Faculty of Dentistry, Chiang Mai University, Suthep, Muang Chiang Mai, 50200, Chiang Mai, Thailand.
| | - Piyarat Nimmanpipug
- Department of Chemistry, Faculty of Science, Chiang Mai University, Suthep, Muang Chiang Mai, 50200, Chiang Mai, Thailand
| | - Thanapat Sastraruji
- Dental Research Center, Faculty of Dentistry, Chiang Mai University, Suthep, Muang Chiang Mai, 50200, Chiang Mai, Thailand
| | - Keiichi Hosaka
- Department of Regenerative Dental Medicine, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15, Kuramoto-cho, Tokushima, 770-8504, Japan
| | - Richard M Foxton
- King's College London Dental Institute, King's College London, Floor 25, London Bridge, London, SE1-9RT, UK
| | - Masatoshi Nakajima
- Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyo-ku, Tokyo, 113-8549, Japan
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Khalil MI, Sakr H. Implant Surface Topography Following Different Laser Treatments: An In Vitro Study. Cureus 2023; 15:e38731. [PMID: 37292557 PMCID: PMC10246922 DOI: 10.7759/cureus.38731] [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] [Accepted: 05/03/2023] [Indexed: 06/10/2023] Open
Abstract
Background Although dental implants have demonstrated very high success rates, they are susceptible to complications such as peri-implantitis that can lead to failure. Methods Twenty implants with surfaces grit-blasted using hydroxyapatite and acid-etched were randomly divided into four groups (five in each group). Three groups were assigned to laser treatments: Group I (erbium, chromium-doped: yttrium, scandium, gallium, and garnet (Er,Cr:YSGG) laser), Group II (650-nm diode laser), and Group III (808-nm diode), and one control group, Group IV. The surface roughness parameters (roughness average(Ra) and root mean square roughness(Rq)) were measured using a non-contact optical profilometer and scanning electron microscope to evaluate the surface topography after the laser treatments. Results Significant differences were observed between the laser groups regarding the surface roughness Ra (3.56±0.26, 3.45±0.19, 3.77±0.42, pc=0.0004, pe=0.0002, pf=0.001) and Rq values (4.49±0.34, 4.35±0.26, 4.72±0.56, pc=0.0007, pe=0.0006, pf=0.002) and the control group (2.81±0.10; 3.57±0.19). However, no significant difference was observed between the different laser treatment modalities. The scanning electron microscope images revealed some morphological changes on the implant surfaces following laser treatment, but no melted morphology was observed. Conclusions The application of Er,Cr:YSGG, 650-nm diode laser, and 808-nm diode did not show melting changes on implant topography. However, some increase in surface roughness was detected. Further studies are recommended to assess the effectiveness of these laser settings on bacterial reduction and osseointegration.
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Affiliation(s)
- Marwa I Khalil
- Department of Oral Medicine, Periodontology, Oral Diagnosis, and Oral Radiology, Faculty of Dentistry, Alexandria University, Alexandria, EGY
| | - Haitham Sakr
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Pharos University in Alexandria, Alexandria, EGY
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Ødegaard KS, Westhrin M, Afif AB, Ma Q, Mela P, Standal T, Elverum CW, Torgersen J. The effects of surface treatments on electron beam melted Ti-6Al-4V disks on osteogenesis of human mesenchymal stromal cells. BIOMATERIALS ADVANCES 2023; 147:213327. [PMID: 36841111 DOI: 10.1016/j.bioadv.2023.213327] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 01/18/2023] [Accepted: 01/31/2023] [Indexed: 02/12/2023]
Abstract
Additive manufactured (AM) Titanium-6Aluminum-4Vanadium (Ti64) scaffolds display unique mechanical and biological properties for implant devices. The elastic modulus can be tailored by adjusting the porosity, further facilitating bone ingrowth. Although Ti64 implants are biocompatible, the effects of AM surfaces without porous structures, and how the topography and surface chemistry of the respective surfaces affect the osteogenesis of bone marrow-derived mesenchymal stromal cells (BMSCs) has not yet been revealed. In this paper, we cultured BMSCs on solid electron beam melted Ti64 disks subjected to three surface treatments: chemical etching (HF), atomic-layer deposition of TiO2 (TiO2), and polished (POL), or left untreated (AB). The biocompatibility and osteogenic properties of these surfaces were investigated, and the results were compared to cells cultured in regular tissue-culture polystyrene culturing wells (TCPS). The surfaces were hydrophobic, except for the polished surface which was hydrophilic. All surface treatments are biocompatible and allow for osteogenic differentiation, as revealed by viability assays and gene expression analysis. Scanning electron microscopy shows that cells adhere differently depending on the surface properties, with more filopodia on the rougher surfaces, AB and TiO2 disks, and more lamellipodia on the smoother surfaces, HF and POL disks. All groups stimulated with beta glycerophosphate, ascorbic acid, and dexamethasone, have elevated expression of genes related to matrix formation, where the cells cultured on the disks treated with TiO2, HF and POL have the overall highest expression. The AB group appears to be less favorable in regards to matrix formation. Considering the matrix mineralization, the rougher surfaces, AB and TiO2, are able to induce matrix mineralization, with an elevated gene expression of vitamin D receptors and calcium deposition of unstimulated cells. Finally, imaging at day 21 revealed an even amount of cells and matrix, covering most of the partially melted particles. Our results suggests that surface topography is more important to osteogenesis than the wettability of the surface. Overall, the present study contributes to the understanding of using surface modifications to AM Ti64 implant materials and reveals how they affect bone growth.
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Affiliation(s)
- Kristin S Ødegaard
- Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology, Trondheim, Norway
| | - Marita Westhrin
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Abdulla Bin Afif
- Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology, Trondheim, Norway
| | - Qianli Ma
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Petra Mela
- Chair of Medical Materials and Implants, Department of Mechanical Engineering, TUM School of Engineering and Design, Munich Institute for Biomedical Engineering, Technical University of Munich, Boltzmannstrasse 15, 85748 Garching bei München, Germany
| | - Therese Standal
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Christer W Elverum
- Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology, Trondheim, Norway
| | - Jan Torgersen
- Chair of Materials Science, Department of Materials Engineering, TUM School of Engineering and Design, Technical University of Munich, Boltzmannstrasse 15, 85748 Garching bei München, Germany.
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Hou C, An J, Zhao D, Ma X, Zhang W, Zhao W, Wu M, Zhang Z, Yuan F. Surface Modification Techniques to Produce Micro/Nano-scale Topographies on Ti-Based Implant Surfaces for Improved Osseointegration. Front Bioeng Biotechnol 2022; 10:835008. [PMID: 35402405 PMCID: PMC8990803 DOI: 10.3389/fbioe.2022.835008] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 03/08/2022] [Indexed: 12/24/2022] Open
Abstract
Titanium and titanium alloys are used as artificial bone substitutes due to the good mechanical properties and biocompatibility, and are widely applied in the treatment of bone defects in clinic. However, Pure titanium has stress shielding effect on bone, and the effect of titanium-based materials on promoting bone healing is not significant. To solve this problem, several studies have proposed that the surface of titanium-based implants can be modified to generate micro or nano structures and improve mechanical properties, which will have positive effects on bone healing. This article reviews the application and characteristics of several titanium processing methods, and explores the effects of different technologies on the surface characteristics, mechanical properties, cell behavior and osseointegration. The future research prospects in this field and the characteristics of ideal titanium-based implants are proposed.
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Affiliation(s)
- Chuang Hou
- Department of Orthopedics, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Jing An
- Nursing Teaching and Research Department, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Duoyi Zhao
- Department of Orthopedics, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Xiao Ma
- Department of Orthopedics, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Weilin Zhang
- Department of Orthopedics, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Wei Zhao
- Department of Orthopedics, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Meng Wu
- Department of Orthopedics, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Zhiyu Zhang
- Department of Orthopedics, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
- *Correspondence: Zhiyu Zhang, ; Fusheng Yuan,
| | - Fusheng Yuan
- Department of Orthopedics, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
- *Correspondence: Zhiyu Zhang, ; Fusheng Yuan,
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Manivasagam VK, Perumal G, Arora HS, Popat KC. Enhanced antibacterial properties on superhydrophobic micro-nano structured titanium surface. J Biomed Mater Res A 2022; 110:1314-1328. [PMID: 35188338 DOI: 10.1002/jbm.a.37375] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/24/2022] [Accepted: 02/01/2022] [Indexed: 12/13/2022]
Abstract
Micro/nano scale surface modifications of titanium based orthopedic and cardiovascular implants has shown to augment biocompatibility. However, bacterial infection remains a serious concern for implant failure, aggravated by increasing antibiotic resistance and over usage of antibiotics. Bacteria cell adhesion on implant surface leads to colonization and biofilm formation resulting in morbidity and mortality. Hence, there is a need to develop new implant surfaces with high antibacterial properties. Recent developments have shown that superhydrophobic surfaces prevent protein and bacteria cell adhesion. In this study, a thermochemical treatment was used modify the surface properties for high efficacy antibacterial activity on titanium surface. The modification led to a micro-nano surface topography and upon modification with polyethylene glycol (PEG) and silane the surfaces were superhydrophilic and superhydrophobic, respectively. The modified surfaces were characterized for morphology, wettability, chemistry, corrosion resistance and surface charge. The antibacterial capability was characterized with Staphylococcus aureus and Escherichia coli by evaluating the bacteria cell inhibition, adhesion kinetics, and biofilm formation. The results indicated that the superhydrophobic micro-nano structured titanium surface reduced bacteria cell adhesion significantly (>90%) and prevented biofilm formation compared to the unmodified titanium surface after 24 h of incubation.
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Affiliation(s)
- Vignesh K Manivasagam
- Department of Mechanical Engineering, Colorado State University, Fort Collins, Colorado, USA
| | - Gopinath Perumal
- Department of Mechanical Engineering, School of Engineering, Shiv Nadar University, Greater Noida, India
| | - Harpreet Singh Arora
- Department of Mechanical Engineering, School of Engineering, Shiv Nadar University, Greater Noida, India
| | - Ketul C Popat
- Department of Mechanical Engineering, Colorado State University, Fort Collins, Colorado, USA.,School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA.,School of Advanced Materials Discovery, Colorado State University, Fort Collins, Colorado, USA
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Isa N, Mohamad Nor N, Wan Kamis WZ, Tan WK, Kawamura G, Matsuda A, Lockman Z. Anodized TiO2 nanotubes using Ti wire in fluorinated ethylene glycol with air bubbles for removal of methylene blue dye. J APPL ELECTROCHEM 2021. [DOI: 10.1007/s10800-021-01644-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Chauhan P, Koul V, Bhatnagar N. Critical Role of Etching Parameters in the Evolution of Nano Micro SLA Surface on the Ti6Al4V Alloy Dental Implants. MATERIALS 2021; 14:ma14216344. [PMID: 34771869 PMCID: PMC8585160 DOI: 10.3390/ma14216344] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/05/2021] [Accepted: 10/09/2021] [Indexed: 01/12/2023]
Abstract
The surface of dental implants plays a vital role in early and more predictable osseointegration. SLA (sandblasted large grit and acid-etched) represents the most widely accepted, long-term clinically proven surface. Primarily, dental implants are manufactured by either commercially pure titanium (CP-Ti) or Ti6Al4V ELI alloy. The acid etch behavior of CP-Ti is well known and its effects on the surface microstructure and physicochemical properties have been studied by various researchers in the past. However, there is a lack of studies showing the effect of acid etching parameters on the Ti6Al4V alloy surface. The requirement of the narrow diameter implants necessitates implant manufacturing from alloys due to their high mechanical properties. Hence, it is necessary to have an insight on the behavior of acid etching of the alloy surface as it might be different due to changed compositions and microstructure, which can further influence the osseointegration process. The present research was carried out to study the effect of acid etching parameters on Ti6Al4V ELI alloy surface properties and the optimization of process parameters to produce micro- and nanotopography on the dental implant surface. This study shows that the Ti6Al4V ELI alloy depicts an entirely different surface topography compared to CP-Ti. Moreover, the surface topography of the Ti6Al4V ELI alloy was also different when etching was done at room temperature compared to high temperature, which in turn affected the behavior of the cell on these surfaces. Both microns and nano-level topography were achieved through the optimized parameters of acid etching on Ti6Al4V ELI alloy dental implant surface along with improved roughness, hydrophilicity, and enhanced cytocompatibility.
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Affiliation(s)
- Pankaj Chauhan
- Mechanical Engineering Department, Indian Institute of Technology, Delhi 110016, India;
- Centre for Biomedical Engineering, Indian Institute of Technology, Delhi 110016, India;
| | - Veena Koul
- Centre for Biomedical Engineering, Indian Institute of Technology, Delhi 110016, India;
| | - Naresh Bhatnagar
- Mechanical Engineering Department, Indian Institute of Technology, Delhi 110016, India;
- Correspondence:
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Nakamura M, Aizawa H, Kawabata H, Sato A, Watanabe T, Isobe K, Kitamura Y, Tanaka T, Kawase T. Platelet adhesion on commercially pure titanium plates in vitro III: effects of calcium phosphate-blasting on titanium plate biocompatibility. Int J Implant Dent 2020; 6:74. [PMID: 33215329 PMCID: PMC7677422 DOI: 10.1186/s40729-020-00270-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 10/25/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Platelet-rich plasma (PRP) is often used to improve surface biocompatibility. We previously found that platelets rapidly adhere to plain commercially pure titanium (cp-Ti) plates in the absence, but not in the presence, of plasma proteins. To further expand on these findings, in the present study, we switched titanium plates from a plain surface to a rough surface that is blasted with calcium phosphate (CaP) powder and then examined platelet adhesion and activation. METHODS Elemental distribution in CaP-blasted cp-Ti plates was analyzed using energy-dispersive X-ray spectroscopy. PRP samples prepared from anticoagulated blood samples of six healthy, non-smoking adult male donors were loaded on CaP-blasted cp-Ti plates for 1 h and fixed for examination of platelet morphology and visualization of PDGF-B and platelet surface markers (CD62P, CD63) using scanning electron microscopy and fluorescence microscopy. Plain SUS316L stainless steel plates used in injection needles were also examined for comparison. RESULTS Significant amounts of calcium and phosphate were detected on the CaP-blasted cp-Ti surface. Platelets rapidly adhered to this surface, leading to higher activation. Platelets also adhered to the plain stainless surface; however, the levels of adhesion and activation were much lower than those observed on the CaP-blasted cp-Ti plate. CONCLUSIONS The CaP-blasted cp-Ti surface efficiently entraps and activates platelets. Biomolecules released from the activated platelets could be retained by the fibrin matrix on the surface to facilitate regeneration of the surrounding tissues. Thus, PRP immersion could not only eliminate surface air bubbles but also improve the biocompatibility of the implant surface.
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Affiliation(s)
| | | | | | - Atsushi Sato
- Tokyo Plastic Dental Society, Kita-ku, Tokyo, Japan
| | | | | | | | - Takaaki Tanaka
- Department of Materials Science and Technology, Niigata University, Niigata, Japan
| | - Tomoyuki Kawase
- Division of Oral Bioengineering, Institute of Medicine and Dentistry, Niigata University, Niigata, Japan.
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12
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Osteoconductive and Osteoinductive Surface Modifications of Biomaterials for Bone Regeneration: A Concise Review. COATINGS 2020. [DOI: 10.3390/coatings10100971] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The main aim of bone tissue engineering is to fabricate highly biocompatible, osteoconductive and/or osteoinductive biomaterials for tissue regeneration. Bone implants should support bone growth at the implantation site via promotion of osteoblast adhesion, proliferation, and formation of bone extracellular matrix. Moreover, a very desired feature of biomaterials for clinical applications is their osteoinductivity, which means the ability of the material to induce osteogenic differentiation of mesenchymal stem cells toward bone-building cells (osteoblasts). Nevertheless, the development of completely biocompatible biomaterials with appropriate physicochemical and mechanical properties poses a great challenge for the researchers. Thus, the current trend in the engineering of biomaterials focuses on the surface modifications to improve biological properties of bone implants. This review presents the most recent findings concerning surface modifications of biomaterials to improve their osteoconductivity and osteoinductivity. The article describes two types of surface modifications: (1) Additive and (2) subtractive, indicating biological effects of the resultant surfaces in vitro and/or in vivo. The review article summarizes known additive modifications, such as plasma treatment, magnetron sputtering, and preparation of inorganic, organic, and composite coatings on the implants. It also presents some common subtractive processes applied for surface modifications of the biomaterials (i.e., acid etching, sand blasting, grit blasting, sand-blasted large-grit acid etched (SLA), anodizing, and laser methods). In summary, the article is an excellent compendium on the surface modifications and development of advanced osteoconductive and/or osteoinductive coatings on biomaterials for bone regeneration.
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Wang Q, Zhou P, Liu S, Attarilar S, Ma RLW, Zhong Y, Wang L. Multi-Scale Surface Treatments of Titanium Implants for Rapid Osseointegration: A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1244. [PMID: 32604854 PMCID: PMC7353126 DOI: 10.3390/nano10061244] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 05/30/2020] [Accepted: 06/22/2020] [Indexed: 02/06/2023]
Abstract
The propose of this review was to summarize the advances in multi-scale surface technology of titanium implants to accelerate the osseointegration process. The several multi-scaled methods used for improving wettability, roughness, and bioactivity of implant surfaces are reviewed. In addition, macro-scale methods (e.g., 3D printing (3DP) and laser surface texturing (LST)), micro-scale (e.g., grit-blasting, acid-etching, and Sand-blasted, Large-grit, and Acid-etching (SLA)) and nano-scale methods (e.g., plasma-spraying and anodization) are also discussed, and these surfaces are known to have favorable properties in clinical applications. Functionalized coatings with organic and non-organic loadings suggest good prospects for the future of modern biotechnology. Nevertheless, because of high cost and low clinical validation, these partial coatings have not been commercially available so far. A large number of in vitro and in vivo investigations are necessary in order to obtain in-depth exploration about the efficiency of functional implant surfaces. The prospective titanium implants should possess the optimum chemistry, bionic characteristics, and standardized modern topographies to achieve rapid osseointegration.
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Affiliation(s)
- Qingge Wang
- School of Metallurgical Engineering, Xi’an University of Architecture and Technology, No.13 Yanta Road, Xi’an 710055, China;
| | - Peng Zhou
- School of Aeronautical Materials Engineering, Xi’an Aeronautical Polytechnic Institute, Xi’an 710089, China;
| | - Shifeng Liu
- School of Metallurgical Engineering, Xi’an University of Architecture and Technology, No.13 Yanta Road, Xi’an 710055, China;
| | - Shokouh Attarilar
- State Key Laboratory of Metal Matrix Composites, School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
| | - Robin Lok-Wang Ma
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Hong Kong 999077, China; (R.L.-W.M.); (Y.Z.)
| | - Yinsheng Zhong
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Hong Kong 999077, China; (R.L.-W.M.); (Y.Z.)
| | - Liqiang Wang
- State Key Laboratory of Metal Matrix Composites, School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
- National Engineering Research Center for Nanotechnology (NERCN), 28 East JiangChuan Road, Shanghai 200241, China
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14
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Marconi GD, Diomede F, Pizzicannella J, Fonticoli L, Merciaro I, Pierdomenico SD, Mazzon E, Piattelli A, Trubiani O. Enhanced VEGF/VEGF-R and RUNX2 Expression in Human Periodontal Ligament Stem Cells Cultured on Sandblasted/Etched Titanium Disk. Front Cell Dev Biol 2020; 8:315. [PMID: 32478069 PMCID: PMC7240029 DOI: 10.3389/fcell.2020.00315] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 04/08/2020] [Indexed: 12/15/2022] Open
Abstract
Bone formation, in skeletal development or in osseointegration processes, is the result of interaction between angiogenesis and osteogenesis. To establish osseointegration, cells must attach to the implant in a direct way without any deposition of soft tissue. Structural design and surface topography of dental implants enhance the cell attachment and can affect the biological response. The aim of the study was to evaluate the cytocompatibility, osteogenic and angiogenic markers involved in bone differentiation of human periodontal ligament stem cells (hPDLSCs) on different titanium disks surfaces. The hPDLSCs were cultured on pure titanium surfaces modified with two different procedures, sandblasted (Control—CTRL) and sandblasted/etched (Test—TEST) as experimental titanium surfaces. After 1 and 8 weeks of culture VEGF, VEGF-R, and RUNX2 expression was evaluated under confocal laser scanning microscopy. To confirm the obtained data, RT-PCR and WB analyses were performed in order to evaluate the best implant surface performance. TEST surfaces compared to CTRL titanium surfaces enhanced cell adhesion and increased VEGF and RUNX2 expression. Moreover, titanium TEST surfaces showed a different topographic morphology that promoted cell adhesion, proliferation, and osteogenic/angiogenic commitment. To conclude, TEST surfaces performed more efficiently than CTRL surfaces; furthermore, TEST surface results showed them to be more biocompatible, better tolerated, and appropriate for allowing hPDLSC growth and proliferation. This fact could also lead to more rapid bone–titanium integration.
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Affiliation(s)
- Guya Diletta Marconi
- Department of Medical, Oral and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Francesca Diomede
- Department of Medical, Oral and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | | | - Luigia Fonticoli
- Department of Medical, Oral and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Ilaria Merciaro
- Department of Medical, Oral and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Sante D Pierdomenico
- Department of Medical, Oral and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | | | - Adriano Piattelli
- Department of Medical, Oral and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Oriana Trubiani
- Department of Medical, Oral and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
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15
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Wang D, He G, Tian Y, Ren N, Liu W, Zhang X. Dual effects of acid etching on cell responses and mechanical properties of porous titanium with controllable open-porous structure. J Biomed Mater Res B Appl Biomater 2020; 108:2386-2395. [PMID: 32017357 DOI: 10.1002/jbm.b.34571] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 11/12/2019] [Accepted: 01/11/2020] [Indexed: 11/06/2022]
Abstract
This study was focused on dual effects of 20 wt % hydrochloric acid etching treatment on cell responses and mechanical properties of a porous titanium with controllable open-porous structure. The results show that the acid etching induced the formation of a rough surface on the porous titanium, resulting in a remarkable improvement of the MG-63 osteoblasts adhesion and proliferation on the porous titanium. The surface roughness is found to be mainly dependent on the etching time. As increasing etching time, the surface roughness exhibited a noticeable rise. After etching for 90 min, the best cell response was achieved on the rough surface with a roughness value of 3.7 mm. However, the acid etching treatment displayed a negative effect on the porous titanium strength, and the yield strength was reduced down to 106 MPa as the etching time increased to 150 min. Taking both the cell responses and strength into account, an optimal etching time was determined as 60 min by experiments.
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Affiliation(s)
- Dong Wang
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou, China
| | - Guo He
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Ye Tian
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou, China
| | - Ning Ren
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou, China
| | - Wei Liu
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Xianlong Zhang
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, China
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16
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Enhancing the Contact Area of Ti Wire as Photoanode Substrate of Flexible Fiber-Type Dye-Sensitized Solar Cells Using the TiO 2 Nanotube Growth and Removal Technique. NANOMATERIALS 2019; 9:nano9111521. [PMID: 31731475 PMCID: PMC6915649 DOI: 10.3390/nano9111521] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 10/23/2019] [Accepted: 10/24/2019] [Indexed: 02/02/2023]
Abstract
The fiber-type dye-sensitized solar cell (FDSSC) with flexible and dim-light workable features is one of the promising energy generation devices for soft electronics. A novel TiO2 nanotube (TNT) growth and removal technique is proposed in this study to enhance the contact area of the Ti wire substrate using anodization and ultrasonication processes. Smaller and denser imprints of TNT on the surface of Ti wire are obtained when a smaller voltage was applied for anodization. The thickness of the TiO2 nanoparticle layer coated on the Ti wire is also optimized by varying the dip-coating layers. With the smallest diameter and densest distribution of TNT imprints on the Ti wire, the FDSSC with the TiO2/TNT-printed Ti wire photoanode, prepared using 30 V as the anodization voltage, shows the highest photon-to-electricity efficiency of 2.37% as a result of the rough surface of Ti wire substrate, which provides more contact, as well as the suitable thickness of the TiO2 nanoparticle layer, which promotes charge generation and transportation. The smallest charge-transfer resistance and the highest electron collection efficiency are also obtained in this case, as examined using the electrochemical impedance spectroscopy and intensity modulated photocurrent spectroscopy/intensity modulated photovoltage spectroscopy. This facile TNT growth and removal technique is expected to be able to be applied to other fields for enhancing the contact area of the titanium substrate and promoting the generation of electrochemical reactions.
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17
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Feng F, Wu Y, Xin H, Chen X, Guo Y, Qin D, An B, Diao X, Luo H. Surface Characteristics and Biocompatibility of Ultrafine-Grain Ti after Sandblasting and Acid Etching for Dental Implants. ACS Biomater Sci Eng 2019; 5:5107-5115. [PMID: 33455258 DOI: 10.1021/acsbiomaterials.9b00579] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This study investigated the surface characteristics and biocompatibility of ultrafine-grain pure titanium (UFG Ti) after sandblasting and acid etching (SLA) treatment to determine an effective method for modification of UFG Ti dental implants. The UFG Ti was processed by equal-channel angular pressing (ECAP). The micromorphology, roughness, and wettability of its surface were studied after SLA modification in different conditions. Rat bone marrow mesenchymal stem cells were subsequently seeded onto the specimens to evaluate the biocompatibility of cell adhesion, proliferation, and differentiation compared with commercially pure titanium (CP Ti). The results showed that surface characteristics of UFG Ti were affected by the pressure of sandblasting and acid etching time in addition to material properties. The favorable hierarchical porous structure that would benefit cell adhesion was formed on the UFG Ti surface when the pressure of sandblasting was 0.6 MPa and the acid etching time was 5 min; at this time, UFG Ti promoted proliferation and differentiation to a greater extent than CP Ti because of its excellent wettability. From this study, it could be seen that UFG Ti can be used as a dental implant material after proper surface modification.
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Affiliation(s)
- Fan Feng
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Yulu Wu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Haitao Xin
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Xiaoqiang Chen
- Department of Plastic and Burn Surgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Yazhou Guo
- School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China
| | - Dongyang Qin
- School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China
| | - Baili An
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Xiaoou Diao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Huiwen Luo
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
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18
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Huang Z, Wang Z, Li C, Zhou N, Liu F, Lan J. The osteoinduction of RGD and Mg ion functionalized bioactive zirconia coating. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 30:95. [PMID: 31414276 DOI: 10.1007/s10856-019-6298-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 08/01/2019] [Indexed: 06/10/2023]
Abstract
The objective of this study was to investigate the adhesion, proliferation and mineralization of osteoblasts on arginine-glycine-aspartic acid (RGD)- and magnesium ion (Mg+)-decorated zirconia coatings. The zirconia coatings were prepared via a plasma spray; RGD and Mg+ were immobilized via a silane-coupling agent and ion implantation, respectively. This study employed scanning electron microscopy (SEM) to observe the surface morphology of RGD- and Mg+-decorated zirconia coatings; surface roughness and wettability were also measured. The initial adhesion of osteoblasts was measured, and cell morphology and focal adhesion were observed. In addition, the expressions of the integrins a1, a2, a5, av, and ß1 were measured using RT-PCR. A cell count was conducted to measure proliferation. The expressions of ALP and OCN were detected based on a western blot analysis, and mineralized nodules were observed to visualize the mineralization of osteoblasts. A nanoscale surface structure could be found on the Mg+-decorated zirconia coating, and the RGD-decorated zirconia coating showed better wettability (p < 0.05). Cells on the RGD- and Mg+-decorated zirconia coating possessed better spreading properties than did cells on nondecorated surfaces, and more focal adhesion was observed. The higher expressions of the integrins a5, av and ß1 were found on the RGD-decorated zirconia coating (p < 0.05). The western blot results demonstrated that the introduction of Mg+ heightened the expressions of ALP and OCN. More and bigger mineralized nodules were observed on the Mg+- and RGD-decorated zirconia coating, which consisted of small mineralized nodules. RGD- and Mg+-functionalized zirconia coating facilitates the osteogenic reaction of osteoblasts. RGD improves the adhesion of osteoblasts, and Mg+ benefits the mineralization of osteoblasts. In addition, a synergistic effect was found between RGD and Mg+, allowing better performances with regard to adhesion, proliferation and mineralization when the two were used together rather than as separate decorations.
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Affiliation(s)
- Zhengfei Huang
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Department of Prosthodontics, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China
| | - Zhifeng Wang
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Department of Pediatric Dentistry, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China
| | - Chuanhua Li
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Department of Prosthodontics, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China
| | - Ning Zhou
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Department of Orthodontics, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China
| | - Fei Liu
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Department of Prosthodontics, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China
| | - Jing Lan
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China.
- Department of Prosthodontics, School of Stomatology, Shandong University, 44-1 Wenhua Road West, Jinan, 250012, Shandong, China.
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19
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Nano-scale modification of titanium implant surfaces to enhance osseointegration. Acta Biomater 2019; 94:112-131. [PMID: 31128320 DOI: 10.1016/j.actbio.2019.05.045] [Citation(s) in RCA: 222] [Impact Index Per Article: 44.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 05/15/2019] [Accepted: 05/19/2019] [Indexed: 12/16/2022]
Abstract
The main aim of this review study was to report the state of art on the nano-scale technological advancements of titanium implant surfaces to enhance the osseointegration process. Several methods of surface modification are chronologically described bridging ordinary methods (e.g. grit blasting and etching) and advanced physicochemical approaches such as 3D-laser texturing and biomimetic modification. Functionalization procedures by using proteins, peptides, and bioactive ceramics have provided an enhancement in wettability and bioactivity of implant surfaces. Furthermore, recent findings have revealed a combined beneficial effect of micro- and nano-scale modification and biomimetic functionalization of titanium surfaces. However, some technological developments of implant surfaces are not commercially available yet due to costs and a lack of clinical validation for such recent surfaces. Further in vitro and in vivo studies are required to endorse the use of enhanced biomimetic implant surfaces. STATEMENT OF SIGNIFICANCE: Grit-blasting followed by acid-etching is currently used for titanium implant modifications, although recent technological biomimetic physicochemical methods have revealed enhanced osteoconductive and anti-microbial outcomes. An improvement in wettability and bioactivity of titanium implant surfaces has been accomplished by combining micro and nano-scale modification and functionalization with protein, peptides, and bioactive compounds. Such morphological and chemical modification of the titanium surfaces induce the migration and differentiation of osteogenic cells followed by an enhancement of the mineral matrix formation that accelerate the osseointegration process. Additionally, the incorporation of bioactive molecules into the nanostructured surfaces is a promising strategy to avoid early and late implant failures induced by the biofilm accumulation.
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20
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Ansar EB, Ravikumar K, Suresh Babu S, Fernandez FB, Komath M, Basu B, Harikrishna Varma PR. Inducing apatite pre-layer on titanium surface through hydrothermal processing for osseointegration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110019. [PMID: 31546429 DOI: 10.1016/j.msec.2019.110019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 03/21/2019] [Accepted: 07/25/2019] [Indexed: 12/29/2022]
Abstract
Commercially available titanium (Ti) having high mechanical strength and a low area of cross-section can be adequately exploited for minimally invasive dental implantation. Current directions in clinical dental implant therapy focus on endosseous dental implant surfaces with nanoscale topographies using easy and economical processing approaches. The present study describes the generation of a novel nanolayer nucleating agent on the surface of Ti implant for early endosseous after implantation. The strategy is to modify the surface of Ti implant using Ca(OH)2 via hydrothermal technique (Ti-HT). The X-ray photoelectron spectroscopy analysis confirmed the presence of chemically bonded Ca ions on the Ti surface in the form of CaTiO3. In vitro studies are carried out to confirm the bone bonding ability of calcium enriched Ti surface. The apatite deposition on the surface after exposure to SBF for 7 days is confirmed via scanning electron microscopy, X-ray powder diffraction, Fourier-transform infrared spectroscopy and energy-dispersive X-ray spectroscopy techniques. The cell viability of Ti-HT was evaluated using direct contact method and MTT assay. The potential of Ca2+ ion on Ti surface via hydrothermal pre-treatment to enhance osseointegration of Ti has been proposed for achieving early stability for dental implants.
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Affiliation(s)
- E B Ansar
- Division of Bioceramics, Sree Chitra Tirunal Institute for Medical Sciences & Technology, 695012, India; Department of Chemistry, M.E.S Asmabi College, P. Vemballur, Kodungallur 680671, India
| | - K Ravikumar
- Materials Research Centre, Indian Institute of Science, Bangalore 560012, India
| | - S Suresh Babu
- Division of Bioceramics, Sree Chitra Tirunal Institute for Medical Sciences & Technology, 695012, India
| | - F B Fernandez
- Division of Bioceramics, Sree Chitra Tirunal Institute for Medical Sciences & Technology, 695012, India
| | - Manoj Komath
- Division of Bioceramics, Sree Chitra Tirunal Institute for Medical Sciences & Technology, 695012, India
| | - Bikramjit Basu
- Materials Research Centre, Indian Institute of Science, Bangalore 560012, India
| | - P R Harikrishna Varma
- Division of Bioceramics, Sree Chitra Tirunal Institute for Medical Sciences & Technology, 695012, India.
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21
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Maher S, Mazinani A, Barati MR, Losic D. Engineered titanium implants for localized drug delivery: recent advances and perspectives of Titania nanotubes arrays. Expert Opin Drug Deliv 2019; 15:1021-1037. [PMID: 30259776 DOI: 10.1080/17425247.2018.1517743] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
INTRODUCTION Therapeutics delivery to bones to treat skeletal diseases or prevent postsurgical infections is challenging due to complex and solid bone structure that limits blood supply and diffusion of therapeutics administered by systemic routes to reach effective concentration. Titanium (Ti) and their alloys are employed as mainstream implant materials in orthopedics and dentistry; having superior mechanical/biocompatibility properties which could provide an alternative solution to address this problem. AREAS COVERED This review presents an overview of recent development of Ti drug-releasing implants, with emphasis on nanoengineered Titania nanotubes (TNTs) structures, for solving key problems to improve implants osseointegration, overcome inflammation and infection together with providing localized drug delivery (LDD) for bone diseases including cancer. Critical analysis of the advantages/disadvantages of developed concepts is discussed, their drug loading/releasing performances and specific applications. EXPERT OPINION LDD to bones can address many disorders and postsurgical conditions such as inflammation, implants rejection and infection. To this end, TNTs-Ti implants represent a potential promise for the development of new generation of multifunctional implants with drug release functions. Even this concept is extensively explored recently, there is a strong need for more preclinical studies using animal models to confirm the long-term safety and stability of TNTs-Ti implants for real-life medical applications.
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Affiliation(s)
- Shaheer Maher
- a School of Chemical Engineering , The University of Adelaide , Adelaide , Australia
| | - Arash Mazinani
- a School of Chemical Engineering , The University of Adelaide , Adelaide , Australia
| | - Mohammad Reza Barati
- a School of Chemical Engineering , The University of Adelaide , Adelaide , Australia
| | - Dusan Losic
- a School of Chemical Engineering , The University of Adelaide , Adelaide , Australia
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22
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Maiborodin IV, Shevela AA, Toder MS, Shevela AI. [Current trends of the choice and processing of materials for dental implantation]. STOMATOLOGII︠A︡ 2018; 97:68-76. [PMID: 30199073 DOI: 10.17116/stomat20189704168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
For assessment of the modern situation about the choice of materials for manufacture of dental implants and the processing of their surface the scientific literature for the last 2 years was study. On the basis of a large number of contradictory results of the researches devoted to each of dental implantation problems it is possible to draw a conclusion that any of primal problems of implantology is finally not solved. There is no unique opinion at the choice of optimum material for manufacture of dental implants, at the way of processing and modification of their surface. The problem of improvement of quality of dental implantation and fight against complications of this procedure cannot be solved simple drawing other substances on the implanted material surface, this task more easily and more successfully is solved via changes of product structure and various modification of implant surface. Up to the present the researches of an opportunity to influence on characteristics of the implanted materials, changing their structure and character of a surface, continue. And the publications reporting about the considerable positive effect of artificially created roughnesses on product surfaces, and the articles claiming that there are no big differences between the rough and polished implants are confirmed by objective measurements with statistical processing of the obtained data. It should be noted that among articles there are very many works of the doubtful plan or with insufficiently valid conclusions. This review leads to the conclusion that further clinical and experimental studies and about the choice of materials for manufacture of implants and at the ways of processing of their surface are necessary.
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Affiliation(s)
- I V Maiborodin
- Institute of Chemical Biology and Fundamental Medicine, Russian Academy of Science, Siberian Branch, Novosibirsk, Russia
| | - A A Shevela
- International Center of Implantology of iDent, Novosibirsk, Russia
| | - M S Toder
- International Center of Implantology of iDent, Novosibirsk, Russia
| | - A I Shevela
- Institute of Chemical Biology and Fundamental Medicine, Russian Academy of Science, Siberian Branch, Novosibirsk, Russia
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23
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Nishimura T, Ogino Y, Ayukawa Y, Koyano K. Influence of the wettability of different titanium surface topographies on initial cellular behavior. Dent Mater J 2018; 37:650-658. [PMID: 29669955 DOI: 10.4012/dmj.2017-334] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
This study examined the influence of the time-dependent wettability of different surface topographies on initial cellular behavior. Titanium disks with smooth topography (SM) and three kinds of rough topography (sandblasted (SA), microtopography (M) and nanotopography (N)) were prepared. Time-dependent changes in surface wettability were observed in all surfaces as shown in previous studies. On SM surfaces, hydrophobic alteration influenced cell spreading and the activity of RhoA (a small GTPase protein of the Rho family), while no alterations were observed on rough surfaces except for the number of adherent cells. Serum adsorption could recover these functional deteriorations by hydrophobic alteration. These findings suggest that surface topography is a more potent regulator in initial cellular behaviors such as cell spreading and RhoA activation than surface wettability.
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Affiliation(s)
- Tomoko Nishimura
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University
| | - Yoichiro Ogino
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University
| | - Yasunori Ayukawa
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University
| | - Kiyoshi Koyano
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University
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24
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Lee JH, Koak JY, Lim YJ, Kwon HB, Kong H, Kim MJ. Effects of fluoride-modified titanium surfaces with the similar roughness on RUNX2 gene expression of osteoblast-like MG63 cells. J Biomed Mater Res A 2017; 105:3102-3109. [DOI: 10.1002/jbm.a.36159] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 03/10/2017] [Accepted: 06/13/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Ji-Hyoun Lee
- Department of Prosthodontics and Dental Research Institute, School of Dentistry; Seoul National University; 101 Daehak-ro Jongno-gu, Seoul 03080 Republic of Korea
| | - Jai-Young Koak
- Department of Prosthodontics and Dental Research Institute, School of Dentistry; Seoul National University; 101 Daehak-ro Jongno-gu, Seoul 03080 Republic of Korea
| | - Young-Jun Lim
- Department of Prosthodontics and Dental Research Institute, School of Dentistry; Seoul National University; 101 Daehak-ro Jongno-gu, Seoul 03080 Republic of Korea
| | - Ho-Beom Kwon
- Department of Prosthodontics and Dental Research Institute, School of Dentistry; Seoul National University; 101 Daehak-ro Jongno-gu, Seoul 03080 Republic of Korea
| | - Hyunjoon Kong
- Department of Chemical & Biomolecular Engineering; University of Illinois, Urbana-Champaign; 600 S Mathews Avenue, Urbana Illinois 61801
| | - Myung-Joo Kim
- Department of Prosthodontics and Dental Research Institute, School of Dentistry; Seoul National University; 101 Daehak-ro Jongno-gu, Seoul 03080 Republic of Korea
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