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Jin S, Yu Y, Zhang T, Xie D, Zheng Y, Wang C, Liu Y, Xia D. Surface modification strategies to reinforce the soft tissue seal at transmucosal region of dental implants. Bioact Mater 2024; 42:404-432. [PMID: 39308548 PMCID: PMC11415887 DOI: 10.1016/j.bioactmat.2024.08.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2024] [Revised: 08/29/2024] [Accepted: 08/29/2024] [Indexed: 09/25/2024] Open
Abstract
Soft tissue seal around the transmucosal region of dental implants is crucial for shielding oral bacterial invasion and guaranteeing the long-term functioning of implants. Compared with the robust periodontal tissue barrier around a natural tooth, the peri-implant mucosa presents a lower bonding efficiency to the transmucosal region of dental implants, due to physiological structural differences. As such, the weaker soft tissue seal around the transmucosal region can be easily broken by oral pathogens, which may stimulate serious inflammatory responses and lead to the development of peri-implant mucositis. Without timely treatment, the curable peri-implant mucositis would evolve into irreversible peri-implantitis, finally causing the failure of implantation. Herein, this review has summarized current surface modification strategies for the transmucosal region of dental implants with improved soft tissue bonding capacities (e.g., improving surface wettability, fabricating micro/nano topographies, altering the surface chemical composition and constructing bioactive coatings). Furthermore, the surfaces with advanced soft tissue bonding abilities can be incorporated with antibacterial properties to prevent infections, and/or with immunomodulatory designs to facilitate the establishment of soft tissue seal. Finally, we proposed future research orientations for developing multifunctional surfaces, thus establishing a firm soft tissue seal at the transmucosal region and achieving the long-term predictability of dental implants.
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Affiliation(s)
- Siqi Jin
- Department of Dental Materials, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Yameng Yu
- Department of Dental Materials, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Ting Zhang
- School of Materials Science and Engineering, Peking University, Beijing, 100871, China
| | - Daping Xie
- State Key Laboratory in Quality Research of Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau SAR, 999078, China
| | - Yufeng Zheng
- School of Materials Science and Engineering, Peking University, Beijing, 100871, China
- International Research Organization for Advanced Science and Technology (IROAST), Kumamoto University, 2-39-2 Kumamoto, 860-8555, Japan
| | - Chunming Wang
- State Key Laboratory in Quality Research of Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau SAR, 999078, China
| | - Yunsong Liu
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, China
| | - Dandan Xia
- Department of Dental Materials, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
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2
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Nazari N, Imani R, Nasiraie LR. Fiber/hydrogel hybrid wound dressing based on eggshell membrane containing postbiotic ingredients. BIOMATERIALS ADVANCES 2024; 165:214004. [PMID: 39213956 DOI: 10.1016/j.bioadv.2024.214004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 08/14/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024]
Abstract
Skin is the largest organ in body which has important functions. Therefore, to have a healthy skin is very essential, and wound dressings are specifically designed to promote the wound healing process. The aim of this study is to prepare and characterize a fiber-hydrogel wound dressing based on eggshell membrane (ESM) enriched with postbiotic compounds extracted from Lactobacillus plantarum NIMBB003 bacteria. For this purpose, ESM was effectively separated from eggshells through acidic treatment. Then, ultrasound was used for an optimal duration of 1.89 min at 95 % of device's power to expand the pore size of ESM from 6.89 to 10.84 μm to enhance hydrogel infiltration into ESM. The hydrogel (alginate and oxidized alginate) was then infiltrated into the ESM. ATR, SEM, and weight measurement of samples showed the proper infiltration of the hydrogel within the ESM structure. However, biostability analysis revealed that alginate hydrogel was more stable in the hybrid structure compared to oxidase alginate hydrogel. Alginate infiltration into ESM, improved the ultimate strength of the ESM to 1.89 ± 0.17 MPa and water uptake degree to 368.05 % ± 24.34 %. The water vapor transmission rate of the designed dressing was 34.14 ± 1.05 mg/cm2 after 72 h, which means the proper moist management in wound bed. Finally, addition of postbiotics at a concentration of 10 mg/ml into the hydrogel improved cell proliferation in five days. Furthermore, human dermal fibroblast cells adhered to the wound dressings properly and spread along the fibers of the ESM. In general, the developed wound dressing composed of natural biomaterials with extracellular matrix-like structure, can be used effectively to assist the wound healing process.
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Affiliation(s)
- Neda Nazari
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Rana Imani
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran.
| | - Leila Roozbeh Nasiraie
- Department of Food Science & Technology, Islamic Azad University, Nour, Iran; Research and Development Center, Shams Bavarane Salamate Nour Consulting & Production Services, Tehran, Iran
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Siddiqui DA, Lakkasetter Chandrashekar B, Natarajan SG, Palmer KL, Rodrigues DC. Development of a Coculture Model for Assessing Competing Host Mammalian Cell and Bacterial Attachment on Zirconia versus Titanium. ACS Biomater Sci Eng 2024; 10:6218-6229. [PMID: 39312708 DOI: 10.1021/acsbiomaterials.4c01075] [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] [Indexed: 09/25/2024]
Abstract
Objectives: Coculture models are limited by bacteria rapidly outcompeting host mammalian cells for nutrients in vitro, resulting in mammalian cell death. The goal of this study was to develop a coculture model enabling survival of mammalian cells and oral bacterial species to assess their competition for growth on dental implant materials. Methods: Two early colonizing oral bacterial species, Streptococcus mutans or Actinomyces naeslundii, were grown in coculture with primary human macrophages or human gingival fibroblasts for up to 7 days on tissue-culture treated polystyrene or polished titanium and zirconia disks. Chloramphenicol was supplemented in cell culture medium at bacteriostatic concentrations to maintain stable bacterial inoculum size. Planktonic and adherent bacterial growth was assessed via spot plating while mammalian cell growth and attachment were evaluated using colorimetric metabolic assay and confocal fluorescence microscopy, respectively. Results: Macrophages and fibroblasts proliferated in the presence of S. mutans and maintained viability above 70% during coculture for up to 7 days on tissue-culture treated polystyrene and polished titanium and zirconia. In contrast, both mammalian cell types exhibited decreasing proliferation and surface coverage on titanium and zirconia over time in coculture with A. naeslundii versus control. S. mutans and A. naeslundii were maintained within an order of magnitude of seeding inoculum sizes throughout coculture. Significance: Cell culture medium supplemented with antibiotics at bacteriostatic concentrations can suppress bacterial overgrowth and facilitate mammalian cell viability in coculture model systems. Within the study's limitations, oral bacteria and mammalian cell growth in coculture are comparable on polished titanium and zirconia surfaces.
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Affiliation(s)
- Danyal A Siddiqui
- Department of Bioengineering, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080, United States
| | | | - Smriti G Natarajan
- Texas A&M University School of Dentistry, 3302 Gaston Avenue, Dallas, Texas 75246, United States
| | - Kelli L Palmer
- Department of Biological Sciences, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080, United States
| | - Danieli C Rodrigues
- Department of Bioengineering, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080, United States
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Chen S, Gao G, Shi J, Li N, Xie L, Zhang Y, Shan Z, Xie J, Xiao Y, Chen Z, Chen Z. Unveiling the governing role of 'remodeling triangle area' in soft-hard tissue interface equilibrium for metal implants advancement. Mater Today Bio 2024; 28:101170. [PMID: 39211290 PMCID: PMC11357867 DOI: 10.1016/j.mtbio.2024.101170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 07/13/2024] [Accepted: 07/27/2024] [Indexed: 09/04/2024] Open
Abstract
Metal implants holds significant promise for diverse fixed prostheses. However, their long-term reliability and broader application are hindered by challenges related to the disequilibrium at the soft-hard tissue interface. By using anti-inflammatory (PDA/IL4) and pro-inflammatory (PDA/LPS/IFNγ) coatings to modulate distinct immune characteristics, we discovered a dynamic bioactive structure at the soft-hard tissue interface around metal implant, which we have named the 'Remodeling Triangle Area' (RTA). We further demonstrate that the RTA can be influenced by the PDA/IL4 coating to favor a phenotype that enhances both innate and adaptive immunity. This leads to stronger epithelial adhesion, the formation of dense connective tissue via IGF1 secretion, and a more balanced soft-hard tissue interface through the OPG/RANKL axis. Conversely, the PDA/LPS/IFNγ coating shifts the RTA towards a phenotype that activates the innate immune response. This results in a less cohesive tissue structure and bone resorption, characterized by reduced IGF1 secretion and an imbalanced OPG/RANKL axis. Over all, our study introduces the novel concept termed the 'Remodeling Triangle Area' (RTA), an immune-rich anatomical region located at the nexus of the implant interface, epithelial, connective, and bone tissue, which becomes highly interactive post-implantation to modulate the soft-hard tissue interface equilibrium. We believe that an RTA-centric, immunomodulatory approach has the potential to revolutionize the design of next-generation metal implants, providing unparalleled soft-hard tissue interface equilibrium properties.
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Affiliation(s)
- Shoucheng Chen
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, 510055, China
| | - Guangqi Gao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, 510055, China
| | - Jiamin Shi
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, 510055, China
| | - Na Li
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, 510055, China
| | - Lv Xie
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, 510055, China
| | - Yingye Zhang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, 510055, China
| | - Zhengjie Shan
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, 510055, China
| | - Jiaxin Xie
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, 510055, China
| | - Yin Xiao
- School of Medicine and Dentistry, Griffith University (GU), Gold Coast, QLD, 4222, Australia
| | - Zhuofan Chen
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, 510055, China
| | - Zetao Chen
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou, 510055, China
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Zheng M, Ma X, Tan J, Zhao H, Yang Y, Ye X, Liu M, Li H. Enhancement of Biocompatibility of High-Transparency Zirconia Abutments with Human Gingival Fibroblasts via Cold Atmospheric Plasma Treatment: An In Vitro Study. J Funct Biomater 2024; 15:200. [PMID: 39057321 PMCID: PMC11277629 DOI: 10.3390/jfb15070200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 07/10/2024] [Accepted: 07/19/2024] [Indexed: 07/28/2024] Open
Abstract
The objective of this study was to explore the effects of cold atmospheric plasma (CAP) treatment on the biological behavior of human gingival fibroblasts (HGFs) cultured on the surface of high-transparency zirconia. Two types of zirconia, 3Y-ZTP and 4Y-PSZ, were subjected to a CAP treatment for various treatment durations. Analyses of the physical and chemical properties of 3Y-ZTP and 4Y-PSZ were conducted using scanning electron microscopy, contact angle measurements, and X-ray photoelectron spectroscopy, both before and after CAP treatment. The biological responses of HGFs on both surfaces were assessed using CCK-8 assay, confocal laser scanning microscopy, and real-time PCR. Initially, the oxygen and hydroxyl contents on the surface of 4Y-PSZ exceeded those on 3Y-ZTP. CAP treatment enhanced the surface hydrophilicity and the reactive oxygen species (ROS) content of 4Y-PSZ, while not altering the surface morphology. After CAP treatment, HGFs' adhesion on 4Y-PSZ was superior, with more pronounced effects compared to 3Y-ZTP. Notably, HGFs counts and the expression of adhesion-related genes on 4Y-PSZ peaked following the CAP exposures for 30 s and 60 s. Consequently, this study demonstrates that, following identical CAP treatments, 4Y-PSZ is more effective in promoting HGFs adhesion compared to traditional 3Y-ZTP zirconia.
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Affiliation(s)
- Miao Zheng
- Department of Stomatology, Peking University Third Hospital, Beijing 100191, China; (M.Z.); (X.M.)
| | - Xinrong Ma
- Department of Stomatology, Peking University Third Hospital, Beijing 100191, China; (M.Z.); (X.M.)
| | - Jianguo Tan
- Department of Prosthodontics, Peking University School and Hospital of Stomatology and National Center for Stomatology and National Clinical Research Center for Oral Diseases and National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing 100081, China; (J.T.); (Y.Y.); (X.Y.)
| | - Hengxin Zhao
- Department of Engineering Physics, Tsinghua University, Beijing 100084, China;
| | - Yang Yang
- Department of Prosthodontics, Peking University School and Hospital of Stomatology and National Center for Stomatology and National Clinical Research Center for Oral Diseases and National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing 100081, China; (J.T.); (Y.Y.); (X.Y.)
| | - Xinyi Ye
- Department of Prosthodontics, Peking University School and Hospital of Stomatology and National Center for Stomatology and National Clinical Research Center for Oral Diseases and National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing 100081, China; (J.T.); (Y.Y.); (X.Y.)
| | - Mingyue Liu
- First Clinical Division, Peking University School and Hospital of Stomatology, Beijing 100034, China
| | - Heping Li
- Department of Engineering Physics, Tsinghua University, Beijing 100084, China;
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Ghalandarzadeh A, Ganjali M, Hosseini M. Tailoring zirconia surface topography via femtosecond laser-induced nanoscale features: effects on osteoblast cells and antibacterial properties. Biomed Mater 2024; 19:055017. [PMID: 39016135 DOI: 10.1088/1748-605x/ad606f] [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: 12/29/2023] [Accepted: 07/08/2024] [Indexed: 07/18/2024]
Abstract
The performance and long-term durability of dental implants hinge on the quality of bone integration and their resistance to bacteria. This research aims to introduce a surface modification strategy for zirconia implants utilizing femtosecond laser ablation techniques, exploring their impact on osteoblast cell behavior and bacterial performance, as well as the integral factors influencing the soft tissue quality surrounding dental implants. Ultrafast lasers were employed to craft nanoscale groove geometries on zirconia surfaces, with thorough analyses conducted using x-ray diffraction, scanning electron microscopy, atomic force microscopy, and water contact angle measurements. The study evaluated the response of human fetal osteoblastic cell lines to textured zirconia ceramics by assessing alkaline phosphatase activity, collagen I, and interleukin 1βsecretion over a 7 day period. Additionally, the antibacterial behavior of the textured surfaces was investigated usingFusobacterium nucleatum, a common culprit in infections associated with dental implants. Ciprofloxacin (CIP), a widely used antibacterial antibiotic, was loaded onto zirconia ceramic surfaces. The results of this study unveiled a substantial reduction in bacterial adhesion on textured zirconia surfaces. The fine biocompatibility of these surfaces was confirmed through the MTT assay and observations of cell morphology. Moreover, the human fetal osteoblastic cell line exhibited extensive spreading and secreted elevated levels of collagen I and interleukin 1βin the modified samples. Drug release evaluations demonstrated sustained CIP release through a diffusion mechanism, showcasing excellent antibacterial activity against pathogenic bacteria, includingStreptococcus mutans, Pseudomonas aeruginosa, andEscherichia coli.
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Affiliation(s)
- Arash Ghalandarzadeh
- School of Metallurgy and Materials Engineering, Iran University of Science and Technology, PO Box: 16846, Tehran, Iran
| | - Monireh Ganjali
- Biomaterials Group, Department of Nanotechnology & Advanced Materials, Materials and Energy Research Center, PO Box: 31787-316, Karaj, Iran
| | - Milad Hosseini
- Research Center for Advanced Materials, Faculty of Materials Engineering, Sahand University of Technology, PO Box: 51335-1996, Tabriz, Iran
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Harada A, Sasaki H, Asami Y, Hanazawa K, Miyazaki S, Sekine H, Yajima Y. Effects of the application of low-temperature atmospheric plasma on titanium implants on wound healing in peri-implant connective tissue in rats. Int J Implant Dent 2024; 10:15. [PMID: 38509336 PMCID: PMC10954594 DOI: 10.1186/s40729-024-00524-3] [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: 08/16/2023] [Accepted: 01/17/2024] [Indexed: 03/22/2024] Open
Abstract
PURPOSE This study aimed to clarify the effects of surface modification of titanium (Ti) implants by low-temperature atmospheric pressure plasma treatment on wound healing and cell attachment for biological sealing in peri-implant soft tissue. METHODS Hydrophilization to a Ti disk using a handheld low-temperature atmospheric pressure plasma device was evaluated by a contact angle test and compared with an untreated group. In in vivo experiments, plasma-treated pure Ti implants using a handheld plasma device (experimental group: PL) and untreated implants (control group: Cont) were placed into the rat upper molar socket, and samples were harvested at 3, 7 and 14 days after surgery. Histological evaluation was performed to assess biological sealing, collagen- and cell adhesion-related gene expression by reverse transcription quantitative polymerase chain reaction, collagen fiber detection by Picrosirius Red staining, and immunohistochemistry for integrins. RESULTS In in vivo experiments, increased width of the peri-implant connective tissue (PICT) and suppression of epithelial down growth was observed in PL compared with Cont. In addition, high gene expression of types I and XII collagen at 7 days and acceleration of collagen maturation was recognized in PL. Strong immunoreaction of integrin α2, α5, and β1 was observed at the implant contact area of PICT in PL. CONCLUSIONS The handheld low-temperature atmospheric pressure plasma device provided hydrophilicity on the Ti surface and maintained the width of the contact area of PICT to the implant surface as a result of accelerated collagen maturation and fibroblast adhesion, compared to no plasma application.
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Affiliation(s)
- Atsuro Harada
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, 2-9-18 Kandamisaki-Cho, Chiyoda-Ku, Tokyo, 101-0061, Japan
| | - Hodaka Sasaki
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, 2-9-18 Kandamisaki-Cho, Chiyoda-Ku, Tokyo, 101-0061, Japan.
- Oral Health Science Center, Tokyo Dental College, 2-9-18 Kandamisaki-Cho, Chiyoda-Ku, Tokyo, 101-0061, Japan.
| | - Yosuke Asami
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, 2-9-18 Kandamisaki-Cho, Chiyoda-Ku, Tokyo, 101-0061, Japan
| | - Kiyotoshi Hanazawa
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, 2-9-18 Kandamisaki-Cho, Chiyoda-Ku, Tokyo, 101-0061, Japan
| | - Sota Miyazaki
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, 2-9-18 Kandamisaki-Cho, Chiyoda-Ku, Tokyo, 101-0061, Japan
| | - Hideshi Sekine
- Department of Fixed Prosthodontics, Tokyo Dental College, 2-9-18 Kandamisaki-Cho, Chiyoda-Ku, Tokyo, 101-0061, Japan
| | - Yasutomo Yajima
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, 2-9-18 Kandamisaki-Cho, Chiyoda-Ku, Tokyo, 101-0061, Japan
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8
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Chauvin A, Garda MR, Snyder N, Cui B, Delpouve N, Tan L. Hydroxyapatite-Based Coatings on Silicon Wafers and Printed Zirconia. J Funct Biomater 2023; 15:11. [PMID: 38248678 PMCID: PMC10817446 DOI: 10.3390/jfb15010011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/12/2023] [Accepted: 12/13/2023] [Indexed: 01/23/2024] Open
Abstract
Dental surgery needs a biocompatible implant design that can ensure both osseointegration and soft tissue integration. This study aims to investigate the behavior of a hydroxyapatite-based coating, specifically designed to be deposited onto a zirconia substrate that was intentionally made porous through additive manufacturing for the purpose of reducing the cost of material. Layers were made via sol-gel dip coating by immersing the porous substrates into solutions of hydroxyapatite that were mixed with polyethyleneimine to improve the adhesion of hydroxyapatite to the substrate. The microstructure was determined by using X-ray diffraction, which showed the adhesion of hydroxyapatite; and atomic force microscopy was used to highlight the homogeneity of the coating repartition. Thermogravimetric analysis, differential scanning calorimetry, and Fourier transform infrared spectroscopy showed successful, selective removal of the polymer and a preserved hydroxyapatite coating. Finally, scanning electron microscopy pictures of the printed zirconia ceramics, which were obtained through the digital light processing additive manufacturing method, revealed that the mixed coating leads to a thicker, more uniform layer in comparison with a pure hydroxyapatite coating. Therefore, homogeneous coatings can be added to porous zirconia by combining polyethyleneimine with hydroxyapatite. This result has implications for improving global access to dental care.
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Affiliation(s)
- Antoine Chauvin
- Groupe de Physique des Matériaux UMR 6634, CNRS, Université de Rouen Normandie, INSA Rouen Normandie, F-76000 Rouen, France (M.-R.G.)
| | - Marie-Rose Garda
- Groupe de Physique des Matériaux UMR 6634, CNRS, Université de Rouen Normandie, INSA Rouen Normandie, F-76000 Rouen, France (M.-R.G.)
| | - Nathan Snyder
- Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, NE 68588, USA (B.C.); (L.T.)
| | - Bai Cui
- Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, NE 68588, USA (B.C.); (L.T.)
| | - Nicolas Delpouve
- Groupe de Physique des Matériaux UMR 6634, CNRS, Université de Rouen Normandie, INSA Rouen Normandie, F-76000 Rouen, France (M.-R.G.)
| | - Li Tan
- Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, NE 68588, USA (B.C.); (L.T.)
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9
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Tapia-Lopez LV, Luna-Velasco MA, Beaven EK, Conejo-Dávila AS, Nurunnabi M, Castro JS. RGD Peptide-Functionalized Polyether Ether Ketone Surface Improves Biocompatibility and Cell Response. ACS Biomater Sci Eng 2023; 9:5270-5278. [PMID: 37642514 DOI: 10.1021/acsbiomaterials.3c00232] [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] [Indexed: 08/31/2023]
Abstract
Polyether ether ketone (PEEK) is a biocompatible polymer used in maxillofacial and orthopedic applications because of its mechanical properties and chemical stability. However, this biomaterial is inert and requires surface modification to make it bioactive, enhancing implant-tissue integration and giving the material the ability to interact with the surrounding microenvironment. In this paper, surface of PEEK was activated by oxygen plasma treatment and this resulted in increasing reactivity and surface hydrophilicity. Then, a polydopamine (PDA) coating was deposited over the surface followed by biofunctionalization with an RGD peptide. The plasma effect was studied by contact angle measurements and scanning electron microscopy. X-ray photoelectron spectroscopy confirmed the presence of PDA coating and RGD peptide. Crystallinity and phase identification were carried out through X-ray diffraction. Quantification of the immobilized peptide over the PEEK surface was reached through UV-vis spectroscopy. In addition, in vitro tests with fibroblast cell line (NIH/3T3) determined the viability, attachment, spreading, and proliferation of these cells over the modified PEEK surfaces. According to the results, PEEK surfaces functionalized with peptides demonstrated an increased cellular response with each successive surface modification.
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Affiliation(s)
- Lillian V Tapia-Lopez
- Universidad Autónoma de Ciudad Juárez, Av. del Charro 450, Col. Partido Romero, Ciudad Juárez 32310, Mexico
- Department of Pharmaceutical Sciences, University of Texas at El Paso, El Paso, Texas 79902, United States
| | - María A Luna-Velasco
- Centro de Investigación en Materiales Avanzados, Miguel de Cervantes Saavedra 120, Complejo Industrial Chihuahua, Chihuahua 31136, Mexico
| | - Elfa K Beaven
- Department of Biomedical Engineering, College of Engineering, University of Texas at El Paso, El Paso, Texas 79968, United States
| | - Alain S Conejo-Dávila
- Centro de Investigación en Materiales Avanzados, Miguel de Cervantes Saavedra 120, Complejo Industrial Chihuahua, Chihuahua 31136, Mexico
| | - Md Nurunnabi
- Department of Pharmaceutical Sciences, University of Texas at El Paso, El Paso, Texas 79902, United States
- Department of Biomedical Engineering, College of Engineering, University of Texas at El Paso, El Paso, Texas 79968, United States
| | - Javier S Castro
- Universidad Autónoma de Ciudad Juárez, Av. del Charro 450, Col. Partido Romero, Ciudad Juárez 32310, Mexico
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10
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Tang K, Luo ML, Zhou W, Niu LN, Chen JH, Wang F. The integration of peri-implant soft tissues around zirconia abutments: Challenges and strategies. Bioact Mater 2023; 27:348-361. [PMID: 37180640 PMCID: PMC10172871 DOI: 10.1016/j.bioactmat.2023.04.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/23/2023] [Accepted: 04/09/2023] [Indexed: 05/16/2023] Open
Abstract
Stable soft tissue integration around the implant abutment attenuates pathogen penetration, protects underlying bone tissue, prevents peri-implantitis and is essential in maintaining long-term implant stability. The desire for "metal free" and "aesthetic restoration" has favored zirconia over titanium abutments, especially for implant restorations in the anterior region and for patients with thin gingival biotype. Soft tissue attachment to the zirconia abutment surface remains a challenge. A comprehensive review of advances in zirconia surface treatment (micro-design) and structural design (macro-design) affecting soft tissue attachment is presented and strategies and research directions are discussed. Soft tissue models for abutment research are described. Guidelines for development of zirconia abutment surfaces that promote soft tissue integration and evidence-based references to inform clinical choice of abutment structure and postoperative maintenance are presented.
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Affiliation(s)
- Kai Tang
- National Clinical Research Center for Oral Diseases & State Key Laboratory of Military Stomatology &Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Meng-Lin Luo
- Institute of Stomatology & Oral Maxilla Facial Key Laboratory, The First Medical Center, Chinese PLA General Hospital & Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Wei Zhou
- National Clinical Research Center for Oral Diseases & State Key Laboratory of Military Stomatology &Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Li-Na Niu
- National Clinical Research Center for Oral Diseases & State Key Laboratory of Military Stomatology &Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Ji-Hua Chen
- National Clinical Research Center for Oral Diseases & State Key Laboratory of Military Stomatology &Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
- Corresponding author.
| | - Fu Wang
- National Clinical Research Center for Oral Diseases & State Key Laboratory of Military Stomatology &Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
- Corresponding author.
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11
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Razali M, Chai WL, Omar RA, Ngeow WC. Contour Analysis of Three-Dimensional Peri-Implant Mucosal Model as an Endpoint Analysis of Photofunctionalization Effects on Implant Abutment Materials. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5529. [PMID: 37629819 PMCID: PMC10456501 DOI: 10.3390/ma16165529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/01/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023]
Abstract
INTRODUCTION The objective of this study was to examine the effect of photofunctionalization on the soft-tissue contour formed at the interface of various abutment materials using end-point analyses obtained from the three-dimensional oral mucosal model (3D-OMMs). METHODS Commercially pure titanium (CPTi), alumina-toughened zirconia (ATZ), and yttria-stabilized zirconia (YSZ) made into discs shapes were classified into two groups: UV-treated (PTx) and non-treated (NTx). The materials in PTx groups were exposed to UV light for 12 min. Human gingival fibroblasts and TR146 epithelial cell lines co-cultured on the acellular dermal membrane were used to construct the 3D-OMM. After 4 days of culture, the discs were inserted into the holes prepared within the membrane of 3D-OMMs. The contour formed by the tissue was evaluated after 14 days of culture. RESULTS The UV treatment of abutment materials resulted in the formation of more non-pocket-tissue types among the PTx group (p = 0.002). Of all materials tested, soft tissue contour around YSZ showed higher scores for the non-pocket type in both non- and UV-treated groups. CONCLUSIONS The non-pocket type of tissue attachment was frequently found in all surfaces modified by photofunctionalization, particularly zirconia. The 3D-OMM can be used to evaluate the biological endpoints of implant surface modifications.
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Affiliation(s)
- Masfueh Razali
- Department of Restorative Dentistry, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur 50300, Malaysia
| | - Wen Lin Chai
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur 50603, Malaysia; (W.L.C.); (R.A.O.)
| | - Ros Anita Omar
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur 50603, Malaysia; (W.L.C.); (R.A.O.)
| | - Wei Cheong Ngeow
- Department of Oral & Maxillofacial Clinical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur 50603, Malaysia
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12
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Jin M, Song Z, Liu W, Wang G, Xian M. Biofunctionalization of HMX with Peptides via Polydopamine Crosslinking for Assembling an HMX@Al@CuO Nanoenergetic Composite. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1837. [PMID: 37368266 DOI: 10.3390/nano13121837] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 05/28/2023] [Accepted: 06/08/2023] [Indexed: 06/28/2023]
Abstract
Biological approaches for the synthesis of a hybrid explosive-nanothermite energetic composite have attracted greater scientific attention because of their advantages, including their moderate reactions and the absence of secondary pollution. In this study, a simple technique was developed to fabricate a hybrid explosive-nanothermite energetic composite based on a peptide and a mussel-inspired surface modification. Polydopamine (PDA) was easily imprinted onto the HMX, where it maintained its reactivity and was capable of reacting with a specific peptide used to introduce Al and CuO NPs to the surface of the HMX via specific recognition. The hybrid explosive-nanothermite energetic composites were characterized using differential scanning calorimetry (TG-DSC), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy(XPS), and a fluorescence microscope. A thermal analysis was utilized to investigate the energy-release properties of the materials. The HMX@Al@CuO, which benefitted from an enhanced interfacial contact in comparison with the physically mixed sample (HMX-Al-CuO), demonstrated a 41% lower HMX activation energy.
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Affiliation(s)
- Miaomiao Jin
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China
- Shandong Energy Institute, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266001, China
| | - Zhanxin Song
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China
- Shandong Energy Institute, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266001, China
| | - Wei Liu
- Institute of Corrosion Science and Technology, Guangzhou 510530, China
| | - Guozhen Wang
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China
- Shandong Energy Institute, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266001, China
| | - Mo Xian
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China
- Shandong Energy Institute, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266001, China
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13
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Zhang W, Fu W, Wang X, Ye J. Improving the osseointegration and soft tissue sealing of zirconia ceramics by the incorporation of akermanite via sol infiltration for dental implants. J Mater Chem B 2023; 11:4237-4259. [PMID: 37115523 DOI: 10.1039/d3tb00190c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Zirconia ceramics are promising dental implant materials due to their high-grade biocompatibility, high mechanical strength, and distinctive aesthetic appearance. Nevertheless, zirconia ceramics are bio-inert with a lack of osseointegration and soft tissue sealing, which limits dental implant applications. As such, the fabrication of zirconia ceramics with high mechanical strength, excellent osseointegration and soft tissue sealing performance remains a great challenge in the dental restoration field. In this article, a novel zirconia ceramic with akermanite (AKT) modification by the negative pressure infiltration method is presented. The effects of AKT sol infiltration at different times on the morphology, phase composition, mechanical properties, bioactivity, osseointegration and soft tissue sealing of the modified zirconia ceramics have been systematically investigated. The modified zirconia ceramics feature excellent mechanical properties and significantly improved surface roughness, hydrophilia, and apatite mineralization ability as compared with unmodified zirconia ceramics. Furthermore, cell-culture experiment results indicated that the surface modification of zirconia ceramics could promote adhesion, spreading, migration, proliferation and osteogenic differentiation of mouse bone marrow stromal stem cells (mBMSCs), as well as the early adhesion, spreading, proliferation and fibroblast differentiation of human gingival fibroblasts (HGFs) in vitro. The prepared bioactive zirconia distinctively enhanced the alkaline phosphate (ALP) activity, osteogenesis-related gene expression of mBMSCs and fibroblast-related-gene expression of HGFs. The in vivo evaluation confirmed that 15-TZP ceramics could promote bone-implant osseointegration to the greatest extent as compared with pure zirconia ceramics. To conclude, our research has shown that AKT-modified zirconia ceramics can achieve bone integration and soft tissue sealing, indicating that they have a lot of potential for application as a novel dental implant material in the clinical setting.
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Affiliation(s)
- Wenmin Zhang
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
| | - Wenhao Fu
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Xiaolan Wang
- Medical Research Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China.
| | - Jiandong Ye
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
- Key Laboratory of Biomedical Materials of Ministry of Education, South China University of Technology, Guangzhou 510641, China
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14
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Hardan L, Chedid JCA, Bourgi R, Cuevas-Suárez CE, Lukomska-Szymanska M, Tosco V, Monjarás-Ávila AJ, Jabra M, Salloum-Yared F, Kharouf N, Mancino D, Haikel Y. Peptides in Dentistry: A Scoping Review. Bioengineering (Basel) 2023; 10:bioengineering10020214. [PMID: 36829708 PMCID: PMC9952573 DOI: 10.3390/bioengineering10020214] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 02/08/2023] Open
Abstract
Currently, it remains unclear which specific peptides could be appropriate for applications in different fields of dentistry. The aim of this scoping review was to scan the contemporary scientific papers related to the types, uses and applications of peptides in dentistry at the moment. Literature database searches were performed in the following databases: PubMed/MEDLINE, Scopus, Web of Science, Embase, and Scielo. A total of 133 articles involving the use of peptides in dentistry-related applications were included. The studies involved experimental designs in animals, microorganisms, or cells; clinical trials were also identified within this review. Most of the applications of peptides included caries management, implant osseointegration, guided tissue regeneration, vital pulp therapy, antimicrobial activity, enamel remineralization, periodontal therapy, the surface modification of tooth implants, and the modification of other restorative materials such as dental adhesives and denture base resins. The in vitro and in vivo studies included in this review suggested that peptides may have beneficial effects for treating early carious lesions, promoting cell adhesion, enhancing the adhesion strength of dental implants, and in tissue engineering as healthy promotors of the periodontium and antimicrobial agents. The lack of clinical trials should be highlighted, leaving a wide space available for the investigation of peptides in dentistry.
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Affiliation(s)
- Louis Hardan
- Department of Restorative Dentistry, School of Dentistry, Saint Joseph University, Beirut 1107 2180, Lebanon
| | - Jean Claude Abou Chedid
- Department of Pediatric Dentistry, Faculty of Dentistry, Saint Joseph University, Beirut 1107 2180, Lebanon
| | - Rim Bourgi
- Department of Restorative Dentistry, School of Dentistry, Saint Joseph University, Beirut 1107 2180, Lebanon
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, University of Strasbourg, 67000 Strasbourg, France
| | - Carlos Enrique Cuevas-Suárez
- Dental Materials Laboratory, Academic Area of Dentistry, Autonomous University of Hidalgo State, San Agustín Tlaxiaca 42160, Mexico
- Correspondence: (C.E.C.-S.); (N.K.); (Y.H.); Tel.: +52-(771)-72000 (C.E.C.-S.)
| | | | - Vincenzo Tosco
- Department of Clinical Sciences and Stomatology (DISCO), Polytechnic University of Marche, 60126 Ancona, Italy
| | - Ana Josefina Monjarás-Ávila
- Dental Materials Laboratory, Academic Area of Dentistry, Autonomous University of Hidalgo State, San Agustín Tlaxiaca 42160, Mexico
| | - Massa Jabra
- Faculty of Medicine, Damascus University, Damascus 0100, Syria
| | | | - Naji Kharouf
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, University of Strasbourg, 67000 Strasbourg, France
- Department of Endodontics and Conservative Dentistry, Faculty of Dental Medicine, University of Strasbourg, 67000 Strasbourg, France
- Correspondence: (C.E.C.-S.); (N.K.); (Y.H.); Tel.: +52-(771)-72000 (C.E.C.-S.)
| | - Davide Mancino
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, University of Strasbourg, 67000 Strasbourg, France
- Department of Endodontics and Conservative Dentistry, Faculty of Dental Medicine, University of Strasbourg, 67000 Strasbourg, France
- Pôle de Médecine et Chirurgie Bucco-Dentaire, Hôpital Civil, Hôpitaux Universitaire de Strasbourg, 67000 Strasbourg, France
| | - Youssef Haikel
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, University of Strasbourg, 67000 Strasbourg, France
- Department of Endodontics and Conservative Dentistry, Faculty of Dental Medicine, University of Strasbourg, 67000 Strasbourg, France
- Pôle de Médecine et Chirurgie Bucco-Dentaire, Hôpital Civil, Hôpitaux Universitaire de Strasbourg, 67000 Strasbourg, France
- Correspondence: (C.E.C.-S.); (N.K.); (Y.H.); Tel.: +52-(771)-72000 (C.E.C.-S.)
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15
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Amornkitbamrung U, In Y, Wang Z, Song J, Oh SH, Hong MH, Shin H. c-Axis-Oriented Platelets of Crystalline Hydroxyapatite in Biomimetic Intrafibrillar Mineralization of Polydopamine-Functionalized Collagen Type I. ACS OMEGA 2022; 7:4821-4831. [PMID: 35187302 PMCID: PMC8851625 DOI: 10.1021/acsomega.1c05198] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 01/06/2022] [Indexed: 06/14/2023]
Abstract
Mineralized collagen fibrils are important basic building blocks of calcified tissues, such as bone and dentin. Polydopamine (PDA) can introduce functional groups, i.e., hydroxyl and amine groups, on the surfaces of type I collagen (Col-I) as possible nucleation sites of calcium phosphate (CaP) crystallization. Molecular bindings in between PDA and Col-I fibrils (Col-PDA) have been found to significantly reduce the interfacial energy. The wetting effect, mainly hydrophilicity due to the functional groups, escalates the degree of mineralization. The assembly of Col-I molecules into fibrils was initiated at the designated number of collagenous molecules and PDA. In contrast to the infiltration of amorphous calcium phosphate (ACP) precursors into the Col-I matrix by polyaspartic acid (pAsp), this collagen assembly process allows nucleation and ACP to exist in advance by PDA in the intrafibrillar matrix. PDA bound to specific sites, i.e., gap and overlap zones, by the regular arrangement of Col-I fibrils enhanced ACP nucleation and thus mineralization. As a result, the c-axis-oriented platelets of crystalline hydroxyapatite in the Col-I fibril matrix were observed in the enhanced mineralization through PDA functionalization.
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Affiliation(s)
- Urasawadee Amornkitbamrung
- Nature
Inspired Materials Processing Research Center, Department of Energy
Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Yongjae In
- Nature
Inspired Materials Processing Research Center, Department of Energy
Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Zhen Wang
- Department
of Energy Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jiyoon Song
- Nature
Inspired Materials Processing Research Center, Department of Energy
Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Sang Ho Oh
- Department
of Energy Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Min-Ho Hong
- Nature
Inspired Materials Processing Research Center, Department of Energy
Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Hyunjung Shin
- Nature
Inspired Materials Processing Research Center, Department of Energy
Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
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16
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Wang CY, Lee BS, Jhang YT, Ma KSK, Huang CP, Fu KL, Lai CH, Tseng WY, Kuo MYP, Chen YW. Er:YAG laser irradiation enhances bacterial and lipopolysaccharide clearance and human gingival fibroblast adhesion on titanium discs. Sci Rep 2021; 11:23954. [PMID: 34907255 PMCID: PMC8671504 DOI: 10.1038/s41598-021-03434-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Accepted: 11/29/2021] [Indexed: 12/12/2022] Open
Abstract
To investigate the effect of Er:YAG laser treatment on lipopolysaccharide (LPS) clearance and fibroblast adhesion on titanium disks. Grade IV titanium discs (n = 216) were used and allocated to 6 groups. Group 1 was the negative control without Porphyromonas gingivalis inoculation. Discs in Groups 2-6 were incubated with P. gingivalis to form a biofilm. Group 3 received 0.12% chlorhexidine irrigation and Group 4 received titanium curettage to remove the biofilm. Group 5 was treated with Er:YAG laser irradiation and Group 6 was treated with titanium curettage plus Er:YAG laser irradiation. The contact angle and surface roughness were measured after the various treatments. The surface microstructure and residual bacteria were examined using scanning electron microscopy and confocal laser scanning microscopy, respectively. Residual LPS was examined using a limulus amoebocyte lysate assay and human gingival fibroblast adhesion was quantified using fluorescent microscopy. Curettage plus Er:YAG laser irradiation was the most effective method for removing bacteria and LPS. No significant difference in the amount of fibroblast adhesion was found between the control and Group 6. Combined use of Er:YAG laser irradiation and curettage optimizes LPS clearance and fibroblast adhesion on titanium discs.
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Affiliation(s)
- Chen-Ying Wang
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Bor-Shiunn Lee
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Ya-Ting Jhang
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University and National Taiwan University Hospital, No. 1 Chang-Te Street, Taipei, 10048, Taiwan
| | - Kevin Sheng-Kai Ma
- Graduate Institute of Biomedical Electronics and Bioinformatics, College of Electrical Engineering and Computer Science, National Taiwan University, Taipei, Taiwan
| | - Chen-Pang Huang
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University and National Taiwan University Hospital, No. 1 Chang-Te Street, Taipei, 10048, Taiwan
| | - Kuan-Lun Fu
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University and National Taiwan University Hospital, No. 1 Chang-Te Street, Taipei, 10048, Taiwan
| | - Chern-Hsiung Lai
- College of Life Science, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wan-Yu Tseng
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Mark Yen-Ping Kuo
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Yi-Wen Chen
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan.
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University and National Taiwan University Hospital, No. 1 Chang-Te Street, Taipei, 10048, Taiwan.
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17
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Palkowitz AL, Tuna T, Bishti S, Böke F, Steinke N, Müller‐Newen G, Wolfart S, Fischer H. Biofunctionalization of Dental Abutment Surfaces by Crosslinked ECM Proteins Strongly Enhances Adhesion and Proliferation of Gingival Fibroblasts. Adv Healthc Mater 2021; 10:e2100132. [PMID: 33694324 PMCID: PMC11469217 DOI: 10.1002/adhm.202100132] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Indexed: 12/14/2022]
Abstract
To ensure the long-term success of dental implants, a functional attachment of the soft tissue to the surface of the implant abutment is decisively important in order to prevent the penetration of bacteria into the implant-bone interface, which can trigger peri-implant disease. Here a surface modification approach is described that includes the covalent immobilization of the extracellular matrix (ECM) proteins fibronectin and laminin via a crosslinker to silanized Ti6Al4V and Y-TZP surfaces. The surface properties are evaluated using static contact angle, X-ray photoelectron spectroscopy (XPS), and atomic force microscopy (AFM). The interaction of human gingival fibroblasts (HGFs) with the immobilized ECM proteins is verified by analyzing the localization of focal contacts, cell area, cell morphology, proliferation rate, and integrin expression. It is observed in the presence of fibronectin and laminin an increased cellular attachment, proliferation, and integrin expression of HGFs accompanied by a significantly higher number of focal adhesions. The presented approach holds great potential to enable a stronger bond between soft tissue and implant abutment surface. This could potentially help to prevent the penetration of bacteria in an in vivo application and thus reduce the risk of periimplant disease.
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Affiliation(s)
- Alena L. Palkowitz
- Department of Dental Materials and Biomaterials ResearchRWTH Aachen University HospitalPauwelsstrasse 30Aachen52074Germany
| | - Taskin Tuna
- Department of Prosthodontics and BiomaterialsRWTH Aachen University HospitalPauwelsstrasse 30Aachen52074Germany
| | - Shaza Bishti
- Department of Prosthodontics and BiomaterialsRWTH Aachen University HospitalPauwelsstrasse 30Aachen52074Germany
| | - Frederik Böke
- Department of Dental Materials and Biomaterials ResearchRWTH Aachen University HospitalPauwelsstrasse 30Aachen52074Germany
| | - Nathalie Steinke
- Flow Cytometry FacilityFaculty of Medicine of RWTH Aachen University HospitalPauwelsstrasse 30Aachen52074Germany
| | - Gerhard Müller‐Newen
- Institute of Biochemistry and Molecular BiologyConfocal Microscopy FacilityRWTH Aachen University HospitalPauwelsstrasse 30Aachen52074Germany
| | - Stefan Wolfart
- Department of Prosthodontics and BiomaterialsRWTH Aachen University HospitalPauwelsstrasse 30Aachen52074Germany
| | - Horst Fischer
- Department of Dental Materials and Biomaterials ResearchRWTH Aachen University HospitalPauwelsstrasse 30Aachen52074Germany
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18
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Minguela J, Müller DW, Mücklich F, Llanes L, Ginebra MP, Roa JJ, Mas-Moruno C. Peptidic biofunctionalization of laser patterned dental zirconia: A biochemical-topographical approach. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 125:112096. [PMID: 33965106 DOI: 10.1016/j.msec.2021.112096] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/25/2021] [Accepted: 04/08/2021] [Indexed: 02/07/2023]
Abstract
A dual approach employing peptidic biofunctionalization and laser micro-patterns on dental zirconia was explored, with the aim of providing a flexible tool to improve tissue integration of restorations. Direct laser interference patterning with a femtosecond Ti:Sapphire laser was employed, and two periodic grooved patterns were produced with a periodicity of 3 and 10 μm. A platform containing the cell-adhesive RGD and the osteogenic DWIVA peptides was used to functionalize the grooved surfaces. Topography and surface damage were characterized by confocal laser scanning (CLSM), scanning electron and scanning transmission electron microscopy techniques. The surface patterns exhibited a high homogeneity and subsurface damage was found in the form of nano-cracks and nano-pores, at the bottom of the valleys. Accelerated tests in water steam were carried out to assess hydrothermal degradation resistance, which slightly decreased after the laser treatment. Interestingly, the detrimental effects of the laser modification were reverted by a post-laser thermal treatment. The attachment of the molecule was verified trough fluorescence CLSM and X-ray photoelectron spectroscopy. Finally, the biological properties of the surfaces were studied in human mesenchymal stem cells. Cell adhesion, morphology, migration and differentiation were investigated. Cells on grooved surfaces displayed an elongated morphology and aligned along the patterns. On these surfaces, migration was greatly enhanced along the grooves, but also highly restricted in the perpendicular direction as compared to flat specimens. After biofunctionalization, cell number and cell area increased and well-developed cell cytoskeletons were observed. However, no effects on cell migration were found for the peptidic platform. Although some osteogenic potential was found in specimens grooved with a periodicity of 10 μm, the largest effects were observed from the biomolecule, which favored upregulation of several genes related to osteoblastic differentiation in all the surfaces.
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Affiliation(s)
- J Minguela
- Biomaterials, Biomechanics and Tissue Engineering Group (BBT), Department of Materials Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain; Center for Structural Integrity, Reliability and Micromechanics of Materials (CIEFMA), Department of Materials Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain
| | - D W Müller
- Functional Materials, Department of Materials Science and Engineering, Saarland University, 66123 Saarbruecken, Germany
| | - F Mücklich
- Functional Materials, Department of Materials Science and Engineering, Saarland University, 66123 Saarbruecken, Germany
| | - L Llanes
- Center for Structural Integrity, Reliability and Micromechanics of Materials (CIEFMA), Department of Materials Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain
| | - M P Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group (BBT), Department of Materials Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain; Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Technology (BIST), 08028 Barcelona, Spain
| | - J J Roa
- Center for Structural Integrity, Reliability and Micromechanics of Materials (CIEFMA), Department of Materials Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain
| | - C Mas-Moruno
- Biomaterials, Biomechanics and Tissue Engineering Group (BBT), Department of Materials Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya-BarcelonaTECH, 08019 Barcelona, Spain.
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19
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Fischer NG, Münchow EA, Tamerler C, Bottino MC, Aparicio C. Harnessing biomolecules for bioinspired dental biomaterials. J Mater Chem B 2020; 8:8713-8747. [PMID: 32747882 PMCID: PMC7544669 DOI: 10.1039/d0tb01456g] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Dental clinicians have relied for centuries on traditional dental materials (polymers, ceramics, metals, and composites) to restore oral health and function to patients. Clinical outcomes for many crucial dental therapies remain poor despite many decades of intense research on these materials. Recent attention has been paid to biomolecules as a chassis for engineered preventive, restorative, and regenerative approaches in dentistry. Indeed, biomolecules represent a uniquely versatile and precise tool to enable the design and development of bioinspired multifunctional dental materials to spur advancements in dentistry. In this review, we survey the range of biomolecules that have been used across dental biomaterials. Our particular focus is on the key biological activity imparted by each biomolecule toward prevention of dental and oral diseases as well as restoration of oral health. Additional emphasis is placed on the structure-function relationships between biomolecules and their biological activity, the unique challenges of each clinical condition, limitations of conventional therapies, and the advantages of each class of biomolecule for said challenge. Biomaterials for bone regeneration are not reviewed as numerous existing reviews on the topic have been recently published. We conclude our narrative review with an outlook on the future of biomolecules in dental biomaterials and potential avenues of innovation for biomaterial-based patient oral care.
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Affiliation(s)
- Nicholas G Fischer
- Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-250A Moos Tower, 515 Delaware St. SE, Minneapolis, Minnesota 55455, USA.
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20
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Bargavi P, Ramya R, Chitra S, Vijayakumari S, Riju Chandran R, Durgalakshmi D, Rajashree P, Balakumar S. Bioactive, degradable and multi-functional three-dimensional membranous scaffolds of bioglass and alginate composites for tissue regenerative applications. Biomater Sci 2020; 8:4003-4025. [DOI: 10.1039/d0bm00714e] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Multifunctional bioactive hydrogel ECM like membrane for 3D dynamic tissue/disease modelling.
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Affiliation(s)
- P. Bargavi
- National Centre for Nanoscience and Nanotechnology
- University of Madras
- Chennai – 600 025
- India
| | - R. Ramya
- SRM Dental College
- SRMIST
- Chennai – 600089
- India
| | - S. Chitra
- National Centre for Nanoscience and Nanotechnology
- University of Madras
- Chennai – 600 025
- India
| | - S. Vijayakumari
- National Centre for Nanoscience and Nanotechnology
- University of Madras
- Chennai – 600 025
- India
| | - R. Riju Chandran
- National Centre for Nanoscience and Nanotechnology
- University of Madras
- Chennai – 600 025
- India
| | - D. Durgalakshmi
- Department of Medical Physics
- Anna University
- Chennai – 600 025
- India
| | - P. Rajashree
- CAS in Crystallography & Biophysics
- University of Madras
- Chennai – 600 025
- India
| | - S. Balakumar
- National Centre for Nanoscience and Nanotechnology
- University of Madras
- Chennai – 600 025
- India
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