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Bai Z, Zhao Y, Cui C, Yan J, Qin D, Tong J, Peng H, Liu Y, Sun L, Wu X, Li B, Li X. Multifaceted Materials for Enhanced Osteogenesis and Antimicrobial Properties on Bioplastic Polyetheretherketone Surfaces: A Review. ACS OMEGA 2024; 9:17784-17807. [PMID: 38680314 PMCID: PMC11044237 DOI: 10.1021/acsomega.4c00923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/05/2024] [Accepted: 03/12/2024] [Indexed: 05/01/2024]
Abstract
Implant-associated infections and the increasing number of bone implants loosening and falling off after implantation have become urgent global challenges, hence the need for intelligent alternative solutions to combat implant loosening and falling off. The application of polyetheretherketone (PEEK) in biomedical and medical therapy has aroused great interest, especially because its elastic modulus close to bone provides an effective alternative to titanium implants, thereby preventing the possibility of bone implants loosening and falling off due to the mismatch of elastic modulus. In this Review, we provide a comprehensive overview of recent advances in surface modifications to prevent bone binding deficiency and bacterial infection after implantation of bone implants, starting with inorganics for surface modification, followed by organics that can effectively promote bone integration and antimicrobial action. In addition, surface modifications derived from cells and related products of biological activity have been proposed, and there is increasing evidence of clinical potential. Finally, the advantages and future challenges of surface strategies against medical associated poor osseointegration and infection are discussed, with promising prospects for developing novel osseointegration and antimicrobial PEEK materials.
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Affiliation(s)
- Ziyang Bai
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Yifan Zhao
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Chenying Cui
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Jingyu Yan
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Danlei Qin
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Jiahui Tong
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Hongyi Peng
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Yingyu Liu
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Lingxiang Sun
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Xiuping Wu
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Bing Li
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Xia Li
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
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Zheng W, Wu D, Zhang Y, Luo Y, Yang L, Xu X, Luo F. Multifunctional modifications of polyetheretherketone implants for bone repair: A comprehensive review. BIOMATERIALS ADVANCES 2023; 154:213607. [PMID: 37651963 DOI: 10.1016/j.bioadv.2023.213607] [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: 07/07/2023] [Revised: 08/16/2023] [Accepted: 08/25/2023] [Indexed: 09/02/2023]
Abstract
Polyetheretherketone (PEEK) has emerged as a highly promising orthopedic implantation material due to its elastic modulus which is comparable to that of natural bone. This polymer exhibits impressive properties for bone implantation such as corrosion resistance, fatigue resistance, self-lubrication and chemical stability. Significantly, compared to metal-based implants, PEEK implants have mechanical properties that are closer to natural bone, which can mitigate the "stress shielding" effect in bone implantation. Nevertheless, PEEK is incapable of inducing osteogenesis due to its bio-inert molecular structure, thereby hindering the osseointegration process. To optimize the clinical application of PEEK, researchers have been working on promoting its bioactivity and endowing this polymer with beneficial properties, such as antibacterial, anti-inflammatory, anti-tumor, and angiogenesis-promoting capabilities. Considering the significant growth of research on PEEK implants over the past 5 years, this review aims to present a timely update on PEEK's modification methods. By highlighting the latest advancements in PEEK modification, we hope to provide guidance and inspiration for researchers in developing the next generation bone implants and optimizing their clinical applications.
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Affiliation(s)
- Wenzhuo Zheng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Dongxu Wu
- West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yaowen Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yankun Luo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Lei Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xiangrui Xu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Feng Luo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China; Department of Prosthodontics, West China School of Stomatology, Sichuan University, Chengdu 610041, China.
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Li H, Xiao X, Liao W, Liu T, Li G. Numerical Simulation and Experimental Study Regarding the Cross-Sectional Morphology of PEEK Monofilament Deposition During FDM-Based 3D Printing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:13287-13295. [PMID: 37672721 DOI: 10.1021/acs.langmuir.3c01768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
Polyether-ether-ketone (PEEK) is widely used in the field of biomedical engineering because of its excellent mechanical properties, chemical stability, and biocompatibility. Fused deposition modeling (FDM), which is a typical 3D printing process, can achieve low-cost and high-efficiency printing of complex PEEK structures. However, poor monofilament deposition quality leads to rough surfaces on macroscopic printed parts, low dimensional accuracy, and weak interlayer bonding, which are urgent problems to be solved. In this study, considering the shear thinning characteristic of PEEK, a numerical model for monofilament deposition was constructed by using the finite volume method. This model revealed the influences of process parameters on the monofilament cross-sectional profiles and achieved predictions of monofilament cross-sectional profiles during FDM-based 3D printing of PEEK. The average relative error of the monofilament cross-sectional area predictions was 7.68%. The average relative error of the monofilament cross-sectional aspect ratio predictions was 12.06%. It was also found that there are three typical deposited monofilament cross-sectional profile shapes, i.e., a capsule shape, a bread shape, and a circular shape. These three shapes occurred because of the combined effect of the layer thickness and the extrusion width during the extrusion and deposition of PEEK. These revealed monofilament cross-sectional profiles provide the basis for accurate nozzle motion trajectory planning, and they lay a foundation for surface roughness predictions and dimensional accuracy control during the FDM-based 3D printing of PEEK.
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Affiliation(s)
- Haozhen Li
- School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Xingzhi Xiao
- School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Wenhe Liao
- School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Tingting Liu
- School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Gang Li
- School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
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Hu X, Wang T, Li F, Mao X. Surface modifications of biomaterials in different applied fields. RSC Adv 2023; 13:20495-20511. [PMID: 37435384 PMCID: PMC10331796 DOI: 10.1039/d3ra02248j] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 06/26/2023] [Indexed: 07/13/2023] Open
Abstract
Biomaterial implantation into the human body plays a key role in the medical field and biological applications. Increasing the life expectancy of biomaterial implants, reducing the rejection reaction inside the human body and reducing the risk of infection are the problems in this field that need to be solved urgently. The surface modification of biomaterials can change the original physical, chemical and biological properties and improve the function of materials. This review focuses on the application of surface modification techniques in various fields of biomaterials reported in the past few years. The surface modification techniques include film and coating synthesis, covalent grafting, self-assembled monolayers (SAMs), plasma surface modification and other strategies. First, a brief introduction to these surface modification techniques for biomaterials is given. Subsequently, the review focuses on how these techniques change the properties of biomaterials, and evaluates the effects of modification on the cytocompatibility, antibacterial, antifouling and surface hydrophobic properties of biomaterials. In addition, the implications for the design of biomaterials with different functions are discussed. Finally, based on this review, it is expected that the biomaterials have development prospects in the medical field.
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Affiliation(s)
- Xi Hu
- State Key Laboratory of Ultrasound in Medicine and Engineering College of Biomedical Engineering, Chongqing Medical University Chongqing 400016 P. R. China
- Chongqing Key Laboratory of Biomedical Engineering, College of Biomedical Engineering, Chongqing Medical University Chongqing 400016 P. R. China
| | - Teng Wang
- State Key Laboratory of Ultrasound in Medicine and Engineering College of Biomedical Engineering, Chongqing Medical University Chongqing 400016 P. R. China
- Chongqing Key Laboratory of Biomedical Engineering, College of Biomedical Engineering, Chongqing Medical University Chongqing 400016 P. R. China
| | - Faqi Li
- State Key Laboratory of Ultrasound in Medicine and Engineering College of Biomedical Engineering, Chongqing Medical University Chongqing 400016 P. R. China
- Chongqing Key Laboratory of Biomedical Engineering, College of Biomedical Engineering, Chongqing Medical University Chongqing 400016 P. R. China
| | - Xiang Mao
- State Key Laboratory of Ultrasound in Medicine and Engineering College of Biomedical Engineering, Chongqing Medical University Chongqing 400016 P. R. China
- Chongqing Key Laboratory of Biomedical Engineering, College of Biomedical Engineering, Chongqing Medical University Chongqing 400016 P. R. China
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Przykaza K, Jurak M, Kalisz G, Mroczka R, Wiącek AE. Characteristics of Hybrid Bioglass-Chitosan Coatings on the Plasma Activated PEEK Polymer. Molecules 2023; 28:molecules28041729. [PMID: 36838717 PMCID: PMC9967460 DOI: 10.3390/molecules28041729] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/26/2023] [Accepted: 01/31/2023] [Indexed: 02/17/2023] Open
Abstract
Polyetheretherketone (PEEK) is a biocompatible, chemically and physically stable radiolucent polymer that exhibits a similar elastic modulus to the normal human bone, making it an attractive orthopedic implant material. However, PEEK is biologically inert, preventing strong enough bonding with the surrounding bone tissue when implanted in vivo. Surface modification and composite preparation are the two main strategies for the improvement of the bioactivity of PEEK. In this study, the plasma activated PEEK surfaces with the embedded bioglass, chitosan, and bioglass-chitosan mixed layers applying from the solution dip-coating technique were investigated. The most prominent factors affecting the coating biocompatibility are strictly connected with the composition of its outer surface (its charge and functional groups), hydrophilic-hydrophobic character, wettability and surface free energy, and topography (size of pores/substructures, roughness, stiffness), as well as the personal characteristics of the patient. The obtained surfaces were examined in terms of wettability and surface-free energy changes. Additionally, FTIR (Fourier Transformation Infrared Spectrometry) and SIMS (Secondary Ion Mass Spectrometry) were applied to establish and control the coating composition. Simultaneously the structure of coatings was visualized with the aid of SEM (Scanning Electron Microscopy). Finally, the obtained systems were incubated in SBF (Simulated Body Fluid) to verify the modifications' influence on the bioactivity/biocompatibility of the PEEK surface. Different structures with variable compositions, as well as changes of the wettability, were observed depending on the applied modification. In addition, the incubation in SBF suggested that the bioglass-chitosan ratio influenced the formation of apatite-like structures on the modified PEEK surfaces.
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Affiliation(s)
- Kacper Przykaza
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, Maria Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
- Department of Bioanalytics, Faculty of Biomedicine, Medical University of Lublin, Jaczewskiego St. 8b, 20-090 Lublin, Poland
- Correspondence:
| | - Małgorzata Jurak
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, Maria Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
| | - Grzegorz Kalisz
- Independent Unit of Spectroscopy and Chemical Imaging, Medical University of Lublin, Chodzki St. 4a, 20-093 Lublin, Poland
| | - Robert Mroczka
- Laboratory of X-ray Optics, Centre for Interdisciplinary Research, The John Paul II Catholic University of Lublin, Konstantynow St. 1J, 20-708 Lublin, Poland
| | - Agnieszka Ewa Wiącek
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, Maria Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
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Qiu P, Wang P, Liu M, Dai T, Zheng M, Feng L. Biocompatibility and osteoinductive ability of casein phosphopeptide modified polyetheretherketone. Front Bioeng Biotechnol 2023; 11:1100238. [PMID: 36860888 PMCID: PMC9969344 DOI: 10.3389/fbioe.2023.1100238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 01/30/2023] [Indexed: 02/10/2023] Open
Abstract
Polyetheretherketone (PEEK) is a potential implant material for dental application due to its excellent mechanical properties. However, its biological inertness and poor osteoinductive ability limited its clinical application. Based on a lay-by-layer self-assembly technique, here we incorporated casein phosphopeptide (CPP) onto PEEK surface by a simple two-step strategy to address the poor osteoinductive ability of PEEK implants. In this study, the PEEK specimens were positively charged by 3-ammoniumpropyltriethoxysilane (APTES) modification, then the CPP was adsorbed onto the positively charged PEEK surface electrostatically to obtain CPP-modified PEEK (PEEK-CPP) specimens. The surface characterization, layer degradation, biocompatibility and osteoinductive ability of the PEEK-CPP specimens were studied in vitro. After CPP modification, the PEEK-CPP specimens had a porous and hydrophilic surface and presented enhanced cell adhesion, proliferation, and osteogenic differentiation of MC3T3-E1 cells. These findings indicated that CPP modification could significantly improve the biocompatibility and osteoinductive ability of PEEK-CPP implants in vitro. In a word, CPP modification is a promising strategy for the PEEK implants to achieve osseointegration.
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Affiliation(s)
- Peng Qiu
- The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, Sichuan, China,Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, Luzhou, Sichuan, China,Institute of Stomatology, Southwest Medical University, Luzhou, Sichuan, China,*Correspondence: Peng Qiu, ; Pin Wang,
| | - Pin Wang
- The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, Sichuan, China,Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, Luzhou, Sichuan, China,Institute of Stomatology, Southwest Medical University, Luzhou, Sichuan, China,*Correspondence: Peng Qiu, ; Pin Wang,
| | - Min Liu
- The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, Sichuan, China,Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, Luzhou, Sichuan, China,Institute of Stomatology, Southwest Medical University, Luzhou, Sichuan, China
| | - Tao Dai
- The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, Sichuan, China,Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, Luzhou, Sichuan, China,Institute of Stomatology, Southwest Medical University, Luzhou, Sichuan, China
| | - Min Zheng
- The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, Sichuan, China,Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, Luzhou, Sichuan, China,Institute of Stomatology, Southwest Medical University, Luzhou, Sichuan, China
| | - Le Feng
- The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, Sichuan, China,Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, Luzhou, Sichuan, China,Institute of Stomatology, Southwest Medical University, Luzhou, Sichuan, China
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