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Aly YM, Zhang Z, Ali N, Milward MR, Poologasundarampillai G, Dong H, Kuehne SA, Camilleri J. Ceramic conversion treated titanium implant abutments with gold for enhanced antimicrobial activity. Dent Mater 2024; 40:1199-1207. [PMID: 38853104 DOI: 10.1016/j.dental.2024.05.029] [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: 04/11/2024] [Accepted: 05/29/2024] [Indexed: 06/11/2024]
Abstract
INTRODUCTION Peri-implantitis is an inflammatory process around dental implants that is characterised by bone loss that may jeopardize the long-term survival of osseo integrated dental implants. The aim of this study was to create a surface coating on titanium abutments that possesses cellular adhesion and anti-microbial properties as a post-implant placement strategy for patients at risk of peri-implantitis. MATERIALS AND METHODSMETHODS Titanium alloy Grade V stubs were coated with gold particles and then subjected to ceramic conversion treatment (CCT) at 620 °C for 3, 8 and 80 h. The surface characteristics and chemistry were assessed using scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and X-ray diffraction (XRD) analysis. The leaching profile was investigated by inductively coupled plasma mass spectroscopy (ICP-MS) for all groups after 7, 14 and 28 days in contact with distilled water. A scratch test was conducted to assess the adhesion of the gold coating to the underlying titanium discs. Two bacterial species (Staphylococcus aureus (SA) & Fusobacterium nucleatum (FN)) were used to assess the antibacterial behaviour of the coated discs using a direct attachment assay test. The potential changes in surface chemistry by the bacterial species were investigated by grazing angle XRD. RESULTS The gold pre-coated titanium discs exhibited good stability of the coating especially after immersion in distilled water and after bacterial colonisation as evident by XRD analysis. Good surface adhesion of the coating was demonstrated for gold treated discs after scratch test analysis, especially titanium, following a 3-hour (3 H) ceramic conversion treatment. All coated discs exhibited significantly improved antimicrobial properties against both tested bacterial species compared to untreated titanium discs. CONCLUSIONS Ceramic conversion treated titanium with a pre-deposited gold layer showed improved antimicrobial properties against both SA and FN species than untreated Ti-C discs. Scratch test analysis showed good adherence properties of the coated discs the oxide layer formed is firmly adherent to the underlying titanium substrate, suggesting that this approach may have clinical efficacy for coating implant abutments.
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Affiliation(s)
- Yasser M Aly
- Faculty of Dentistry, Alexandria University, Alexandria, Egypt; School of Dentistry, Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Zhenxue Zhang
- School of Metallurgy and Materials, College of Engineering, University of Birmingham, Birmingham, United Kingdom
| | - Nesma Ali
- School of Dentistry, Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Michael R Milward
- School of Dentistry, Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Gowsihan Poologasundarampillai
- School of Dentistry, Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Hanshan Dong
- School of Metallurgy and Materials, College of Engineering, University of Birmingham, Birmingham, United Kingdom
| | - Sarah A Kuehne
- School of Science & Technology, Nottingham Trent University, Nottingham, United Kingdom
| | - Josette Camilleri
- School of Dentistry, Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom.
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Yin D, Zhan S, Liu Y, Yan L, Shi B, Wang X, Zhang S. Experimental models for peri-implant diseases: a narrative review. Clin Oral Investig 2024; 28:378. [PMID: 38884808 DOI: 10.1007/s00784-024-05755-7] [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: 02/13/2024] [Accepted: 05/28/2024] [Indexed: 06/18/2024]
Abstract
OBJECTIVES Peri-implant diseases, being the most common implant-related complications, significantly impact the normal functioning and longevity of implants. Experimental models play a crucial role in discovering potential therapeutic approaches and elucidating the mechanisms of disease progression in peri-implant diseases. This narrative review comprehensively examines animal models and common modeling methods employed in peri-implant disease research and innovatively summarizes the in vitro models of peri-implant diseases. MATERIALS AND METHODS Articles published between 2015 and 2023 were retrieved from PubMed/Medline, Web of Science, and Embase. All studies focusing on experimental models of peri-implant diseases were included and carefully evaluated. RESULTS Various experimental models of peri-implantitis have different applications and advantages. The dog model is currently the most widely utilized animal model in peri-implant disease research, while rodent models have unique advantages in gene knockout and systemic disease induction. In vitro models of peri-implant diseases are also continuously evolving to meet different experimental purposes. CONCLUSIONS The utilization of experimental models helps simplify experiments, save time and resources, and promote advances in peri-implant disease research. Animal models have been proven valuable in the early stages of drug development, while technological advancements have brought about more predictive and relevant in vitro models. CLINICAL RELEVANCE This review provides clear and comprehensive model selection strategies for researchers in the field of peri-implant diseases, thereby enhancing understanding of disease pathogenesis and providing possibilities for developing new treatment strategies.
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Affiliation(s)
- Derong Yin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030032, Shanxi, China
| | - Suying Zhan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yanbo Liu
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030032, Shanxi, China
| | - Lichao Yan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Binmian Shi
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Xiayi Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Shiwen Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China.
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China.
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Park JE, Kim DH. Advanced Immunomodulatory Biomaterials for Therapeutic Applications. Adv Healthc Mater 2024:e2304496. [PMID: 38716543 DOI: 10.1002/adhm.202304496] [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: 12/16/2023] [Revised: 04/15/2024] [Indexed: 05/22/2024]
Abstract
The multifaceted biological defense system modulating complex immune responses against pathogens and foreign materials plays a critical role in tissue homeostasis and disease progression. Recently developed biomaterials that can specifically regulate immune responses, nanoparticles, graphene, and functional hydrogels have contributed to the advancement of tissue engineering as well as disease treatment. The interaction between innate and adaptive immunity, collectively determining immune responses, can be regulated by mechanobiological recognition and adaptation of immune cells to the extracellular microenvironment. Therefore, applying immunomodulation to tissue regeneration and cancer therapy involves manipulating the properties of biomaterials by tailoring their composition in the context of the immune system. This review provides a comprehensive overview of how the physicochemical attributes of biomaterials determine immune responses, focusing on the physical properties that influence innate and adaptive immunity. This review also underscores the critical aspect of biomaterial-based immune engineering for the development of novel therapeutics and emphasizes the importance of understanding the biomaterials-mediated immunological mechanisms and their role in modulating the immune system.
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Affiliation(s)
- Ji-Eun Park
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, Republic of Korea
| | - Dong-Hwee Kim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, Republic of Korea
- Department of Integrative Energy Engineering, College of Engineering, Korea University, Seoul, 02841, Republic of Korea
- Biomedical Research Center, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea
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You X, Wang Z, Wang L, Liu Y, Chen H, Lan X, Guo L. Graphene oxide/ε-poly-L-lysine self-assembled functionalized coatings improve the biocompatibility and antibacterial properties of titanium implants. Front Bioeng Biotechnol 2024; 12:1381685. [PMID: 38638320 PMCID: PMC11024266 DOI: 10.3389/fbioe.2024.1381685] [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: 02/04/2024] [Accepted: 03/22/2024] [Indexed: 04/20/2024] Open
Abstract
The construction of an antibacterial biological coating on titanium surface plays an important role in the long-term stability of oral implant restoration. Graphene oxide (GO) has been widely studied because of its excellent antibacterial properties and osteogenic activity. However, striking a balance between its biological toxicity and antibacterial properties remains a significant challenge with GO. ε-poly-L-lysine (PLL) has broad-spectrum antibacterial activity and ultra-high safety performance. Using Layer-by-layer self-assembly technology (LBL), different layers of PLL/GO coatings and GO self-assembly coatings were assembled on the surface of titanium sheet. The materials were characterized using scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) and contact angle test. The antibacterial properties of Porphyromonas gingivalis (P.g.) were analyzed through SEM, coated plate experiment, and inhibition zone experiment. CCK-8 was used to determine the cytotoxicity of the material to MC3T3 cells, and zebrafish larvae and embryos were used to determine the developmental toxicity and inflammatory effects of the material. The results show that the combined assembly of 20 layers of GO and PLL exhibits good antibacterial properties and no biological toxicity, suggesting a potential application for a titanium-based implant modification scheme.
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Affiliation(s)
- Xiaoxiao You
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital, Southwest Medical University, Luzhou, China
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Luzhou, China
- The Public Platform of Zebrafish Technology, Public Center of Experimental Technology, Southwest Medical University, Luzhou, China
| | - Zhongke Wang
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital, Southwest Medical University, Luzhou, China
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Luzhou, China
| | - Li Wang
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital, Southwest Medical University, Luzhou, China
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Luzhou, China
| | - Youbo Liu
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital, Southwest Medical University, Luzhou, China
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Luzhou, China
| | - Hongmei Chen
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital, Southwest Medical University, Luzhou, China
| | - Xiaorong Lan
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Luzhou, China
| | - Ling Guo
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital, Southwest Medical University, Luzhou, China
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Luzhou, China
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Ou L, Tan X, Qiao S, Wu J, Su Y, Xie W, Jin N, He J, Luo R, Lai X, Liu W, Zhang Y, Zhao F, Liu J, Kang Y, Shao L. Graphene-Based Material-Mediated Immunomodulation in Tissue Engineering and Regeneration: Mechanism and Significance. ACS NANO 2023; 17:18669-18687. [PMID: 37768738 DOI: 10.1021/acsnano.3c03857] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
Tissue engineering and regenerative medicine hold promise for improving or even restoring the function of damaged organs. Graphene-based materials (GBMs) have become a key player in biomaterials applied to tissue engineering and regenerative medicine. A series of cellular and molecular events, which affect the outcome of tissue regeneration, occur after GBMs are implanted into the body. The immunomodulatory function of GBMs is considered to be a key factor influencing tissue regeneration. This review introduces the applications of GBMs in bone, neural, skin, and cardiovascular tissue engineering, emphasizing that the immunomodulatory functions of GBMs significantly improve tissue regeneration. This review focuses on summarizing and discussing the mechanisms by which GBMs mediate the sequential regulation of the innate immune cell inflammatory response. During the process of tissue healing, multiple immune responses, such as the inflammatory response, foreign body reaction, tissue fibrosis, and biodegradation of GBMs, are interrelated and influential. We discuss the regulation of these immune responses by GBMs, as well as the immune cells and related immunomodulatory mechanisms involved. Finally, we summarize the limitations in the immunomodulatory strategies of GBMs and ideas for optimizing GBM applications in tissue engineering. This review demonstrates the significance and related mechanism of the immunomodulatory function of GBM application in tissue engineering; more importantly, it contributes insights into the design of GBMs to enhance wound healing and tissue regeneration in tissue engineering.
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Affiliation(s)
- Lingling Ou
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Xiner Tan
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Shijia Qiao
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Junrong Wu
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yuan Su
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
- Stomatology Center, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan 528399, China
| | - Wenqiang Xie
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Nianqiang Jin
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Jiankang He
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Ruhui Luo
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Xuan Lai
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Wenjing Liu
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yanli Zhang
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Fujian Zhao
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Jia Liu
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yiyuan Kang
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Longquan Shao
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
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Lee WW, Seo JW, Jang IS, Kwon YJ, Joung WJ, Jun JH, Kim J, Son D, Lim SW, Yun SH, Tallarico M, Park CJ. Comparison of Prophylactic Effects between Localized Biomimetic Minocycline and Systematic Amoxicillin on Implants Placed Immediately in Infected Sockets. Biomimetics (Basel) 2023; 8:461. [PMID: 37887592 PMCID: PMC10604678 DOI: 10.3390/biomimetics8060461] [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: 08/18/2023] [Revised: 09/17/2023] [Accepted: 09/18/2023] [Indexed: 10/28/2023] Open
Abstract
This study evaluated the prophylactic effect of localized biomimetic minocycline and systemic amoxicillin on immediate implant placement at infected extraction sites. Twelve mongrels with six implants each were randomly assigned to five groups: uninfected negative control (Group N); infected with oral complex bacteria (Group P); infected and treated with amoxicillin one hour before implant placement (Group A); infected and treated with minocycline during implant placement (Group B); and infected and treated with amoxicillin one hour before implant placement and with minocycline during implant placement (Group C). Radiographic bone level, gingival index (GI), probing depth (PD), papillary bleeding index (PBI), and removal torque (RT) were recorded. There was no significant difference between Groups A, B, and C for bone loss. Group A showed the highest RT, the lowest PBI, and significantly lower GI and PD values than Group P. Group B exhibited significantly higher RT value than Group N and significantly smaller PD value than Group P at 6 w postoperatively. Localized minocycline could improve implant success by reducing bone loss and increasing RT and systemic amoxicillin could maintain the stability of the peri-implant soft tissue. However, combined use of these two antibiotics did not augment the prophylactic effect.
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Affiliation(s)
- Won-Woo Lee
- Division of Oral & Maxillofacial Surgery, Department of Dentistry, College of Medicine, Hanyang University, Seoul 04763, Republic of Korea
| | - Jin-Won Seo
- Division of Oral & Maxillofacial Surgery, Department of Dentistry, College of Medicine, Hanyang University, Seoul 04763, Republic of Korea
| | - Il-Seok Jang
- Osstem R&D Center, Seoul 07789, Republic of Korea
| | | | - Won-Jun Joung
- Division of Oral & Maxillofacial Surgery, Department of Dentistry, College of Medicine, Hanyang University, Seoul 04763, Republic of Korea
| | - Jong-Hun Jun
- Division of Oral & Maxillofacial Surgery, Department of Dentistry, College of Medicine, Hanyang University, Seoul 04763, Republic of Korea
| | - Jiyeong Kim
- Department of Pre-Medicine, College of Medicine and Biostatistics Lab, Medical Research Collaborating Center (MRCC), Hanyang University, Seoul 04763, Republic of Korea
| | - Donghee Son
- Laboratory of Biostatistical Consulting and Research, Medical Research Collaborating Center, Industry-University Cooperation Foundation, Hanyang University, Seoul 04763, Republic of Korea
| | - Seung-Weon Lim
- Division of Orthodontics, Department of Dentistry, College of Medicine, Hanyang University, Seoul 04763, Republic of Korea
| | - Seo-Hyoung Yun
- Division of Oral & Maxillofacial Surgery, Department of Dentistry, College of Medicine, Hanyang University, Seoul 04763, Republic of Korea
| | - Marco Tallarico
- Department of Medicine, Surgery, and Pharmacy, University of Sassari, 07021 Sassari, Italy
| | - Chang-Joo Park
- Division of Oral & Maxillofacial Surgery, Department of Dentistry, College of Medicine, Hanyang University, Seoul 04763, Republic of Korea
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Apostu AM, Sufaru IG, Tanculescu O, Stoleriu S, Doloca A, Ciocan Pendefunda AA, Solomon SM. Can Graphene Pave the Way to Successful Periodontal and Dental Prosthetic Treatments? A Narrative Review. Biomedicines 2023; 11:2354. [PMID: 37760795 PMCID: PMC10525677 DOI: 10.3390/biomedicines11092354] [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: 07/26/2023] [Revised: 08/15/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
Graphene, as a promising material, holds the potential to significantly enhance the field of dental practices. Incorporating graphene into dental materials imparts enhanced strength and durability, while graphene-based nanocomposites offer the prospect of innovative solutions such as antimicrobial dental implants or scaffolds. Ongoing research into graphene-based dental adhesives and composites also suggests their capacity to improve the quality and reliability of dental restorations. This narrative review aims to provide an up-to-date overview of the application of graphene derivatives in the dental domain, with a particular focus on their application in prosthodontics and periodontics. It is important to acknowledge that further research and development are imperative to fully explore the potential of graphene and ensure its safe use in dental practices.
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Affiliation(s)
- Alina Mihaela Apostu
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Irina-Georgeta Sufaru
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Oana Tanculescu
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Simona Stoleriu
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Adrian Doloca
- Department of Preventive Medicine and Interdisciplinarity, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Alice Arina Ciocan Pendefunda
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Sorina Mihaela Solomon
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
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Huang S, Zhong Y, Fu Y, Zheng X, Feng Z, Mo A. Graphene and its derivatives: "one stone, three birds" strategy for orthopedic implant-associated infections. Biomater Sci 2023; 11:380-399. [PMID: 36453143 DOI: 10.1039/d2bm01507b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Orthopedic implants provide an avascular surface for microbial attachment and biofilm formation, impeding the entry of immune cells and the diffusion of antibiotics. The above is an important cause of dental and orthopedic implant-associated infection (IAI). For the prevention and treatment of IAI, the drawbacks of antibiotic resistance and surgical treatment are increasingly apparent. Due to their outstanding biological properties such as biocompatibility, immunomodulatory effects, and antibacterial properties, graphene-based nanomaterials (GBNs) have been applied to bone tissue engineering to deal with IAI, and in particular have great potential application in drug/gene carriers, multi-functional platforms, and coating forms. Here we review the latest research progress and achievements in GBNs for the prevention and treatment of IAI, mainly including their biomedical applications for antibacterial and immunomodulation effects, and for inducing osteogenesis. Furthermore, the biosafety of graphene family materials in bone tissue regeneration and the feasibility of clinical application are critically analyzed and discussed.
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Affiliation(s)
- Si Huang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610041, China. .,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yongjin Zhong
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610041, China. .,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yu Fu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610041, China. .,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xiaofei Zheng
- Stomatology Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zeru Feng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610041, China. .,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Anchun Mo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610041, China. .,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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Erdinc G. Graphene on dentistry: A bibliometric and scientometric analysis. Niger J Clin Pract 2023; 26:65-72. [PMID: 36751826 DOI: 10.4103/njcp.njcp_246_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Background Today, the development of dental materials is a very important issue. Graphene has been used in dentistry to strengthen many materials. Aim The aim of this study was to analyze leading countries and to identify the preferred journals, the most commonly used keywords, and the most productive authors in the field of graphene. Materials and Methods The search keyword was "graphene" on the Web of Science database; the search was restricted to before 2022. The selected search from the Web of Science database included the title of articles, authors, year of publication, country, citation count, and keywords. An analysis was performed regarding citations and documents, authors, journals, and keywords using a bibliometric software program. All articles were evaluated and subjected to scientometric analysis. Results Twenty six articles were included in the study. There has been a remarkable increase in published articles from past to present, and a regular increase is observed in the number of citations. Dental Materials has highest number of publications among the articles included in the present study. Dr. Rosa, who had the highest number of citations, is also the most effective author. Graphene has many studies in dentistry with different materials. As per the data obtained, graphene, graphene oxide, and peri-implantitis are the most used keywords and Singapore and China are at the forefront of the countries where the articles are published. Conclusion This bibliometric analysis reveals the progress and trend of research on graphene in dentistry and extensive collaborations between authors, countries, and institutions. The findings of this study can help inspire researchers to plan new studies and collaborate on graphene.
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Affiliation(s)
- G Erdinc
- Department of Prosthodontics, School of Dentistry, Karabük University, Karabük, Turkey
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Nizami MZI, Yin IX, Lung CYK, Niu JY, Mei ML, Chu CH. In Vitro Studies of Graphene for Management of Dental Caries and Periodontal Disease: A Concise Review. Pharmaceutics 2022; 14:pharmaceutics14101997. [PMID: 36297434 PMCID: PMC9611330 DOI: 10.3390/pharmaceutics14101997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/07/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022] Open
Abstract
Graphene is a single-layer two-dimensional carbon-based nanomaterial. It presents as a thin and strong material that has attracted many researchers’ attention. This study provides a concise review of the potential application of graphene materials in caries and periodontal disease management. Pristine or functionalized graphene and its derivatives exhibit favorable physicochemical, mechanical, and morphological properties applicable to biomedical applications. They can be activated and functionalized with metal and metal nanoparticles, polymers, and other small molecules to exhibit multi-differentiation activities, antimicrobial activities, and biocompatibility. They were investigated in preventive dentistry and regenerative dentistry. Graphene materials such as graphene oxide inhibit cariogenic microbes such as Streptococcus mutans. They also inhibit periodontal pathogens that are responsible for periodontitis and root canal infection. Graphene-fluorine promotes enamel and dentin mineralization. These materials were also broadly studied in regenerative dental research, such as dental hard and soft tissue regeneration, as well as periodontal tissue and bone regeneration. Graphene oxide-based materials, such as graphene oxide-fibroin, were reported as promising in tissue engineering for their biocompatibility, bioactivity, and ability to enhance cell proliferation properties in periodontal ligament stem cells. Laboratory research showed that graphene can be used exclusively or by incorporating it into existing dental materials. The success of laboratory studies can translate the application of graphene into clinical use.
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Affiliation(s)
| | - Iris Xiaoxue Yin
- Faculty of Dentistry, University of Hong Kong, Hong Kong SAR 999077, China
| | | | - John Yun Niu
- Faculty of Dentistry, University of Hong Kong, Hong Kong SAR 999077, China
| | - May Lei Mei
- Faculty of Dentistry, University of Otago, Dunedin 9054, New Zealand
| | - Chun Hung Chu
- Faculty of Dentistry, University of Hong Kong, Hong Kong SAR 999077, China
- Correspondence:
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Liu C, Tan D, Chen X, Liao J, Wu L. Research on Graphene and Its Derivatives in Oral Disease Treatment. Int J Mol Sci 2022; 23:ijms23094737. [PMID: 35563128 PMCID: PMC9104291 DOI: 10.3390/ijms23094737] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 02/07/2023] Open
Abstract
Oral diseases present a global public health problem that imposes heavy financial burdens on individuals and health-care systems. Most oral health conditions can be treated in their early stage. Even if the early symptoms of oral diseases do not seem to cause significant discomfort, prompt treatment is essential for preventing their progression. Biomaterials with superior properties enable dental therapies with applications in restoration, therapeutic drug/protein delivery, and tissue regeneration. Graphene nanomaterials have many unique mechanical and physiochemical properties and can respond to the complex oral microenvironment, which includes oral microbiota colonization and high masticatory force. Research on graphene nanomaterials in dentistry, especially in caries, periodontitis therapy, and implant coatings, is progressing rapidly. Here, we review the development of graphene and its derivatives for dental disease therapy.
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Affiliation(s)
- Chengcheng Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (C.L.); (X.C.)
| | - Dan Tan
- Department of Periodontics and Oral Mucosal Diseases, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou 646000, China;
| | - Xiaoli Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (C.L.); (X.C.)
| | - Jinfeng Liao
- State Key Laboratory of Oral Diseases, West China School & Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Correspondence: (J.L.); (L.W.)
| | - Leng Wu
- Department of Stomatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430030, China
- Correspondence: (J.L.); (L.W.)
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12
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Li X, Liang X, Wang Y, Wang D, Teng M, Xu H, Zhao B, Han L. Graphene-Based Nanomaterials for Dental Applications: Principles, Current Advances, and Future Outlook. Front Bioeng Biotechnol 2022; 10:804201. [PMID: 35360406 PMCID: PMC8961302 DOI: 10.3389/fbioe.2022.804201] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 02/08/2022] [Indexed: 12/13/2022] Open
Abstract
With the development of nanotechnology, nanomaterials have been used in dental fields over the past years. Among them, graphene and its derivatives have attracted great attentions, owing to their excellent physicochemical property, morphology, biocompatibility, multi-differentiation activity, and antimicrobial activity. In our review, we summarized the recent progress about their applications on the dentistry. The synthesis methods, structures, and properties of graphene-based materials are discussed. Then, the dental applications of graphene-based materials are emphatically collected and described. Finally, the challenges and outlooks of graphene-based nanomaterials on the dental applications are discussed in this paper, aiming at inspiring more excellent studies.
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Affiliation(s)
- Xiaojing Li
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xin Liang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
| | - Yanhui Wang
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Dashan Wang
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Minhua Teng
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Hao Xu
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Baodong Zhao
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
- *Correspondence: Baodong Zhao, ; Lei Han,
| | - Lei Han
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
- *Correspondence: Baodong Zhao, ; Lei Han,
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13
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CHENG Q, LU R, WANG X, CHEN S. Antibacterial activity and cytocompatibility evaluation of the antimicrobial peptide Nal-P-113-loaded graphene oxide coating on titanium. Dent Mater J 2022; 41:905-915. [DOI: 10.4012/dmj.2022-094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Qian CHENG
- Department of Dentistry, Beijing TianTan Hospital, Capital Medical University
| | - Ran LU
- VIP Department, Beijing Stomatological Hospital, Capital Medical University
| | - Xin WANG
- VIP Department, Beijing Stomatological Hospital, Capital Medical University
| | - Su CHEN
- VIP Department, Beijing Stomatological Hospital, Capital Medical University
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Kang MS, Jang HJ, Lee SH, Lee JE, Jo HJ, Jeong SJ, Kim B, Han DW. Potential of Carbon-Based Nanocomposites for Dental Tissue Engineering and Regeneration. MATERIALS (BASEL, SWITZERLAND) 2021; 14:5104. [PMID: 34501203 PMCID: PMC8434078 DOI: 10.3390/ma14175104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 09/03/2021] [Accepted: 09/03/2021] [Indexed: 11/16/2022]
Abstract
While conventional dental implants focus on mechanical properties, recent advances in functional carbon nanomaterials (CNMs) accelerated the facilitation of functionalities including osteoinduction, osteoconduction, and osseointegration. The surface functionalization with CNMs in dental implants has emerged as a novel strategy for reinforcement and as a bioactive cue due to their potential for mechanical reinforcing, osseointegration, and antimicrobial properties. Numerous developments in the fabrication and biological studies of CNMs have provided various opportunities to expand their application to dental regeneration and restoration. In this review, we discuss the advances in novel dental implants with CNMs in terms of tissue engineering, including material combination, coating strategies, and biofunctionalities. We present a brief overview of recent findings and progression in the research to show the promising aspect of CNMs for dental implant application. In conclusion, it is shown that further development of surface functionalization with CNMs may provide innovative results with clinical potential for improved osseointegration after implantation.
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Affiliation(s)
- Moon Sung Kang
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Korea; (M.S.K.); (H.J.J.); (S.H.L.)
| | - Hee Jeong Jang
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Korea; (M.S.K.); (H.J.J.); (S.H.L.)
| | - Seok Hyun Lee
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Korea; (M.S.K.); (H.J.J.); (S.H.L.)
| | - Ji Eun Lee
- Department of Optics and Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Korea; (J.E.L.); (H.J.J.)
| | - Hyo Jung Jo
- Department of Optics and Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Korea; (J.E.L.); (H.J.J.)
| | | | - Bongju Kim
- Dental Life Science Research Institute/Innovation Research & Support Center for Dental Science, Seoul National University Dental Hospital, Seoul 03080, Korea
| | - Dong-Wook Han
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Korea; (M.S.K.); (H.J.J.); (S.H.L.)
- Department of Optics and Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Korea; (J.E.L.); (H.J.J.)
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Toledano M, Osorio MT, Vallecillo-Rivas M, Toledano-Osorio M, Rodríguez-Archilla A, Toledano R, Osorio R. Efficacy of local antibiotic therapy in the treatment of peri-implantitis: A systematic review and meta-analysis. J Dent 2021; 113:103790. [PMID: 34455016 DOI: 10.1016/j.jdent.2021.103790] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 08/01/2021] [Accepted: 08/20/2021] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVES The aim of this systematic review and meta-analysis was to state the efficacy of local administration of antibiotics in the treatment of peri-implantitis in terms of peri-implant probing depth (PPD) and bleeding on probing (BoP) reduction. DATA, SOURCES AND STUDY SELECTION Electronic and manual literature searches were conducted. Screening process was done using the National Library of Medicine (MEDLINE by PubMed), Embase and the Cochrane Oral Health. Included articles were randomized controlled trials and observational studies. Weighted means were calculated. Heterogeneity was determined using Higgins (I2). Due to the encountered heterogeneity between the studies being combined, random-effects models were applied in order to analyze effect sizes. Twelve studies (365 patients and 463 implants) were included in the systematic review. After peri-implantitis treatment with local antibiotics, PPD was reduced 1.40 mm (95% confidence interval: 0.82-1.98). When local antibiotics were applied, a 0.30 mm higher reduction of PPD was obtained than in the control group (95% confidence interval: 0.07-0.53). BoP attained an odds ratio value of 1.82 (95% confidence interval: 1.09-3.04), indicating that the likehood of bleeding is almost two-fold when antibiotics are not locally administrated. Adverse effects were not found after applying local antibiotics. CONCLUSIONS The local antibiotic administration does reduce, without adverse effects, both peri-implant probing depths and bleeding on probing in patients affected by peri-implantitis, if compared to control groups without local antibiotic application. CLINICAL SIGNIFICANCE Patients with dental implants frequently suffer from peri-implantitis. Clinical features of peri-implantitis lesions include the presence of bleeding on probing and increased peri-implant probing depths. Both BoP and PPD have become reduced after local administration of antibiotics.
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Affiliation(s)
- Manuel Toledano
- University of Granada, Faculty of Dentistry, Colegio Máximo de Cartuja s/n, Granada 18071, Spain
| | | | - Marta Vallecillo-Rivas
- University of Granada, Faculty of Dentistry, Colegio Máximo de Cartuja s/n, Granada 18071, Spain
| | - Manuel Toledano-Osorio
- University of Granada, Faculty of Dentistry, Colegio Máximo de Cartuja s/n, Granada 18071, Spain.
| | | | | | - Raquel Osorio
- University of Granada, Faculty of Dentistry, Colegio Máximo de Cartuja s/n, Granada 18071, Spain
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Wychowański P, Starzyńska A, Adamska P, Słupecka-Ziemilska M, Sobocki BK, Chmielewska A, Wysocki B, Alterio D, Marvaso G, Jereczek-Fossa BA, Kowalski J. Methods of Topical Administration of Drugs and Biological Active Substances for Dental Implants-A Narrative Review. Antibiotics (Basel) 2021; 10:919. [PMID: 34438969 PMCID: PMC8388631 DOI: 10.3390/antibiotics10080919] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/20/2021] [Accepted: 07/26/2021] [Indexed: 12/15/2022] Open
Abstract
Dental implants are, nowadays, established surgical devices for the restoration of lost teeth. Considered as an alternative for traditional prosthetic appliances, dental implants surpass them in reliability and patient feedback. Local drug delivery around the implants promotes osseointegration and reduces peri-implantitis. However, there are currently no methods of a multiple, precise topical administration of drugs to the implant area. Engineering coatings on the implants, drug application on carriers during implantation, or gingival pockets do not meet all requirements of dental surgeons. Therefore, there is a need to create porous implants and other medical devices that will allow a multiple drug delivery at a controlled dose and release profile without traumatic treatment. Due to the growing demand for the use of biologically active agents to support dental implant treatment at its various stages (implant placement, long-term use of dental superstructures, treatment of the peri-implant conditions) and due to the proven effectiveness of the topical application of pharmacological biologically active agents to the implant area, the authors would like to present a review and show the methods and devices that can be used by clinicians for local drug administration to facilitate dental implant treatment. Our review concludes that there is a need for research in the field of inventions such as new medical devices or implants with gradient solid-porous structures. These devices, in the future, will enable to perform repeatable, controllable, atraumatic, and repeatable injections of active factors that may affect the improvement of osteointegration and the longer survival of implants, as well as the treatment of peri-implantitis.
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Affiliation(s)
- Piotr Wychowański
- Department of Oral Surgery, Medical University of Warsaw, 6 St. Binieckiego Street, 02-097 Warsaw, Poland;
| | - Anna Starzyńska
- Department of Oral Surgery, Medical University of Gdańsk, 7 Dębinki Street, 80-211 Gdańsk, Poland; (P.A.); (B.K.S.)
| | - Paulina Adamska
- Department of Oral Surgery, Medical University of Gdańsk, 7 Dębinki Street, 80-211 Gdańsk, Poland; (P.A.); (B.K.S.)
| | - Monika Słupecka-Ziemilska
- Department of Human Epigenetics, Mossakowski Medical Research Center, Polish Academy of Sciences, 5 Pawińskiego Street, 02-106 Warsaw, Poland;
| | - Bartosz Kamil Sobocki
- Department of Oral Surgery, Medical University of Gdańsk, 7 Dębinki Street, 80-211 Gdańsk, Poland; (P.A.); (B.K.S.)
- International Research Agenda 3P—Medicine Laboratory, Medical University of Gdańsk, 3a Marii Skłodowskiej-Curie Street, 80-210 Gdańsk, Poland
| | - Agnieszka Chmielewska
- Faculty of Material Science and Engineering, Warsaw University of Technology, 141 Wołoska Street, 02-507 Warsaw, Poland;
- Department of Materials Science and Engineering, The Ohio State University, 140 W 19th Ave, Columbus, OH 43210, USA
| | - Bartłomiej Wysocki
- Center of Digital Science and Technology, Cardinal Stefan Wyszyński University in Warsaw, Woycickiego 1/3 Street, 01-938 Warsaw, Poland;
- Additive Manufacturing Research Center, College of Engineering, Youngstown State University, Youngstown, OH 44555, USA
| | - Daniela Alterio
- Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, 435 Ripamonti Street, 20141 Milan, Italy; (D.A.); (G.M.); (B.A.J.-F.)
| | - Giulia Marvaso
- Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, 435 Ripamonti Street, 20141 Milan, Italy; (D.A.); (G.M.); (B.A.J.-F.)
- Department of Oncology and Hemato-Oncology, University of Milan, 7 Festa del Perdono Street, 20112 Milan, Italy
| | - Barbara Alicja Jereczek-Fossa
- Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, 435 Ripamonti Street, 20141 Milan, Italy; (D.A.); (G.M.); (B.A.J.-F.)
- Department of Oncology and Hemato-Oncology, University of Milan, 7 Festa del Perdono Street, 20112 Milan, Italy
| | - Jan Kowalski
- Department of Periodontology and Oral Medicine, Medical University of Warsaw, 6 St. Binieckiego Street, 02-097 Warsaw, Poland;
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Ye J, Huang B, Gong P. Nerve growth factor-chondroitin sulfate/hydroxyapatite-coating composite implant induces early osseointegration and nerve regeneration of peri-implant tissues in Beagle dogs. J Orthop Surg Res 2021; 16:51. [PMID: 33436038 PMCID: PMC7805124 DOI: 10.1186/s13018-020-02177-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 12/25/2020] [Indexed: 02/08/2023] Open
Abstract
Background Osseointegration is the premise of the chewing function of dental implant. Nerve growth factor (NGF), as a neurotrophic factor, can induce bone healing. However, the influence of NGF-chondroitin sulfate (CS)/hydroxyapatite (HA)-coating composite implant on the osseointegration and innervations is still not entirely clear. Materials and methods NGF-CS/HA-coating composite implants were prepared using the modified biomimetic method. The characteristics of NGF-CS/HA-coating implants were determined using a scanning electron microscope. After NGF-CS/HA-coating implants were placed in the mandible of Beagle dogs, the early osseointegration and innervation in peri-implant tissues were assessed through X-ray, Micro-CT, maximal pull-out force, double fluorescence staining, toluidine blue staining, DiI neural tracer, immunohistochemistry, and RT-qPCR assays. Results NGF-CS/HA-coating composite implants were made successfully, which presented porous mesh structures with the main components (Ti and HA). Besides, we revealed that implantation of NGF-CS/HA-coating implants significantly changed the morphology of bone tissues and elevated maximum output, MAR, BIC, and nerve fiber in the mandible of Beagle dogs. Moreover, we proved that the implantation of NGF-CS/HA-coating implants also markedly upregulated the levels of NGF, osteogenesis differentiation, and neurogenic differentiation-related genes in the mandible of Beagle dogs. Conclusion Implantation of NGF-CS/HA-coating composite implants has significant induction effects on the early osseointegration and nerve regeneration of peri-implant tissues in the mandible of Beagle dogs. Supplementary Information The online version contains supplementary material available at 10.1186/s13018-020-02177-5.
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Affiliation(s)
- Jun Ye
- Department of Prosthodontics, School and Hospital of Stomatology, Tongji University and Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, 200072, People's Republic of China
| | - Bo Huang
- State Key Laboratory of Oral Diseases, General Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Ping Gong
- State Key Laboratory of Oral Diseases, Department of Oral Implant, West China School of Stomatology, Sichuan University, Chengdu, 610041, People's Republic of China.
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Di Raimondo R, Sanz-Esporrin J, Martin IS, Vignoletti F, Nuñez J, Muñoz F, Haugen HJ, Sanz M. Hard tissue volumetric and soft tissue contour linear changes at implants with different surface characteristics after experimentally induced peri-implantitis: an experimental in vivo investigation. Clin Oral Investig 2021; 25:3905-3918. [PMID: 33415377 DOI: 10.1007/s00784-020-03720-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 11/27/2020] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To evaluate the hard tissue volumetric and soft tissue contour linear changes in implants with two different implant surface characteristics after a ligature-induced peri-implantitis. MATERIAL AND METHODS In eight beagle dogs, implants with the same size and diameter but distinct surface characteristics were placed in the healed mandibular sites. Test implants had an external monolayer of multi-phosphonate molecules (B+), while control implants were identical but without the phosphonate-rich surface. Once the implants were osseointegrated, oral hygiene was interrupted and peri-implantitis was induced by placing subgingival ligatures. After 16 weeks, the ligatures were removed and peri-implantitis progressed spontaneously. Bone to implant contact (BIC) and bone loss (BL) were assessed three-dimensionally with Micro-Ct (μCT). Dental casts were optically scanned and the obtained digitalized standard tessellation language (STL) images were used to assess the soft tissue vertical and horizontal contour linear changes. RESULTS Reduction of the three-dimensional BIC percentage during the induction and progression phases of the experimental peri-implantitis was similar for both the experimental and control implants, without statistically significant differences between them. Soft tissue analysis revealed for both implant groups an increase in horizontal dimension after the induction of peri-implantitis, followed by a decrease after the spontaneous progression period. In the vertical dimension, a soft tissue dehiscence was observed in both groups, being more pronounced at the buccal aspect. CONCLUSIONS The added phosphonate-rich surface did not provide a more resistant environment against experimental peri-implantitis, when assessed by the changes in bone volume and soft tissue contours. CLINICAL RELEVANCE Ligature-induced peri-implantitis is a validated model to study the tissue changes occurring during peri-implantitis. It was hypothesized that a stronger osseointegration mediated by the chemical bond of a phosphonate-rich implant surface would develop an environment more resistant to the inflammatory changes occurring after experimental peri-implantitis. These results, however, indicate that the hard and soft tissue destructive changes occurring at both the induction and progression phases of experimental peri-implantitis were not influenced by the quality of osseointegration.
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Affiliation(s)
- R Di Raimondo
- Graduate Clinic of Periodontology, Faculty of Odontology, University Complutense, Madrid, Spain
| | - Javier Sanz-Esporrin
- ETEP (Etiology and Therapy of Periodontal and Peri-Implant Diseases) Research Group, University Complutense, Madrid, Spain.
- Facultad de Odontología, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n (Ciudad Universitaria), 28040, Madrid, Spain.
| | - I Sanz Martin
- Graduate Clinic of Periodontology, Faculty of Odontology, University Complutense, Madrid, Spain
| | - F Vignoletti
- ETEP (Etiology and Therapy of Periodontal and Peri-Implant Diseases) Research Group, University Complutense, Madrid, Spain
| | - J Nuñez
- Graduate Clinic of Periodontology, Faculty of Odontology, University Complutense, Madrid, Spain
| | - F Muñoz
- Department of Veterinary Clinical Sciences, University of Santiago de Compostela, Lugo, Spain
| | - H J Haugen
- Department of Biomaterials, Institute for Clinical Dentistry, University of Oslo, Oslo, Norway
| | - M Sanz
- Graduate Clinic of Periodontology, Faculty of Odontology, University Complutense, Madrid, Spain
- ETEP (Etiology and Therapy of Periodontal and Peri-Implant Diseases) Research Group, University Complutense, Madrid, Spain
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Ilie N, Sarosi C, Rosu MC, Moldovan M. Synthesis and characterization of graphene oxide-zirconia (GO-ZrO 2) and hydroxyapatite-zirconia (HA-ZrO 2) nano-fillers for resin-based composites for load-bearing applications. J Dent 2020; 105:103557. [PMID: 33309805 DOI: 10.1016/j.jdent.2020.103557] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/23/2020] [Accepted: 12/08/2020] [Indexed: 10/22/2022] Open
Abstract
OBJECTIVES The study aims to synthesize two different types of nano-fillers based on zirconia (ZrO2), which was functionalized with graphene oxide (GO-ZrO2), and hydroxyapatite (HA-ZrO2), and to implement them in an experimental methacrylate matrix containing new dimethacrylic oligomers. METHODS Nano-particles were synthesized via a modified Hummer's method and a sol-gel route. Bisphenol A-glycidyl methacrylate oligomers (Bis-GMA336[0-1]) were synthesized from an epoxy resin that reacted with methacrylic acid in the presence of a basic catalyst. Traditional dental glass-fillers (Barium oxide/BaO and Barium fluoride/BaF2) were synthesized to create an experimental resin-based composite (RBC) used as reference. Filler morphology was evaluated via Transmission Electron Microscopy. RBCs were characterised by real-time Fourier transform infrared spectroscopy (degree of cure/DC, polymerisation kinetics), real-time spectrometry (light transmittance), 3-point bending test (flexural strength and modulus, Weibull parameters), and depth-sensing indentation test (plastic and elastic deformation parameters). RESULTS The synthesized nanohybrid fillers proved good dispersing performance. Mechanical properties and materials' reliability are within or above the mean values reported in the literature for RBCs. Addition of HA-ZrO2-fillers resulted in a decrease light transmission, DC and mechanical properties. Except for the HA-ZrO2 RBC, materials showed a high resistance to softening in solvent. CONCLUSIONS The synthesis of GO-ZrO2 and HA-ZrO2 nanohybrid particles and their implementation in experimental RBCs has proven successful. Adjustments of the light transmission through suitable co-fillers in addition to GO-ZrO2 as well as adjustments of the amount of HA-ZrO2 are necessary to enable reduced curing time (<20 s). CLINICAL SIGNIFICANCE The addition of nanofillers with tailor-made properties can help improving the performance of modern restoratives.
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Affiliation(s)
- Nicoleta Ilie
- Department of Operative Dentistry and Periodontology, University Hospital, Ludwig-Maximilians-University Munichen, Goethestr. 70, D-80336, Munich, Germany.
| | - Codruta Sarosi
- Babes-Bolyai University, Institute of Chemistry Raluca Ripan, 30 Fantanele St., RO-400294, Cluj-Napoca, Romania
| | - Marcela-Corina Rosu
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293, Cluj-Napoca, Romania
| | - Marioara Moldovan
- Babes-Bolyai University, Institute of Chemistry Raluca Ripan, 30 Fantanele St., RO-400294, Cluj-Napoca, Romania
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20
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Yang Q, Wei S, Zhang L, Yang R. Ultrasound-assisted synthesis of BiVO 4/C-dots/g-C 3N 4Z-scheme heterojunction photocatalysts for degradation of minocycline hydrochloride and Rhodamine B: optimization and mechanism investigation. NEW J CHEM 2020. [DOI: 10.1039/d0nj03375h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BiVO4/C-Dots/g-C3N4Z-scheme photocatalyst with carbon dots as the electron mediators efficiently degrades minocycline hydrochloride and dye wastewater.
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Affiliation(s)
- Qiang Yang
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- People's Republic of China
| | - Siqi Wei
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- People's Republic of China
| | - Limei Zhang
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- People's Republic of China
| | - Rui Yang
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- People's Republic of China
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