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Abdelsattar AS, Yakoup AY, Kamel AG, El-Shibiny A. Green synthesis of silver and gold-doped zinc oxide nanocomposite with propolis extract for enhanced anticancer activity. Sci Rep 2024; 14:21763. [PMID: 39294193 PMCID: PMC11410827 DOI: 10.1038/s41598-024-71758-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 08/30/2024] [Indexed: 09/20/2024] Open
Abstract
Metal and metal oxide nanocomposites have unique properties and are promising for antibacterial and anticancer applications. In this work, we aimed to highlight the relationship between the biosynthesis ways of silver and gold-doped zinc oxide nanocomposites and their functions as anticancer on cell lines (MCF-7 and HepG2). The propolis was used to biosynthesize four different nanoparticles with the same components, including zinc, gold and silver. The nanocomposites were characterized using various techniques, including ultraviolet-visible spectroscopy (UV-Vis), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Energy Dispersive X-ray analysis (EDX) and cytotoxicity assays. The result of this study showed that formed nanocomposites have a similar level of Zn, Au, and Ag, ranging from 23-34%, 2-6%, and 2-3%, respectively. In addition, adding the components simultaneously produces the fastest color change, and the fabricated nanoparticles have spherical shapes with different layers. In addition, the prepared nanoparticles influenced the cell viability of the cancer cell lines, with the most effective one when Zn, Au, and Ag were added spontaneously to form a nanocomposite called (All) with IC50 of 24.5 µg/mL for MCF7 cells and 29.1 µg/mL for HepG2 cells. Thus, the study illustrates that the preparation of nanocomposite generated through green synthesis with different methods significantly affects the structure and function and may improve the synthesis of nanocomposite to be developed into an efficacious therapeutic agent for cancers. In addition, this study opens the door toward a novel track in the field of nanocomposites as it links the synthesis with structure and function. Further anti-cancer properties, as well as animal testing are needed for those nanocomposites.
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Affiliation(s)
- Abdallah S Abdelsattar
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, Giza, 12578, Egypt
| | - Aghapy Yermans Yakoup
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, Giza, 12578, Egypt
| | - Azza G Kamel
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, Giza, 12578, Egypt
| | - Ayman El-Shibiny
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, Giza, 12578, Egypt.
- Faculty of Environmental Agricultural Sciences, Arish University, Arish, 45511, Egypt.
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Almeida NLM, Peralta LCF, Pontes FML, Rinaldo D, Porto VC, Lara VS. Anti-Candida activity and biocompatibility of silver nanoparticles associated with denture glaze: a new approach to the management of denture stomatitis. Folia Microbiol (Praha) 2024:10.1007/s12223-024-01161-4. [PMID: 38652435 DOI: 10.1007/s12223-024-01161-4] [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: 10/08/2023] [Accepted: 03/26/2024] [Indexed: 04/25/2024]
Abstract
The association of silver nanoparticles (AgNps) to sealant agent Palaseal® can be a promising alternative for complete denture wearers who may develop denture stomatitis (DS). The study aimed to evaluate the anti-Candida and biocompatible potential of silver nanoparticles synthesized by three routes associated with denture glaze to prevent and/or treat oral candidiasis. Surface acrylic resin specimens were treated with different associations of glaze with AgNps (VER+AgUV, VER+AgTurk and VER+AgGm). As controls, specimens were treated with glaze+nystatin (VER+Nyst), glaze only (VER) or submerged in PBS (PBS). Afterwards, Candida albicans biofilm was developed for 24 h, 15 d and 30 d. Subsequently, the biofilm was quantified by CFU/mL, XTT assay and confocal laser scanning microscopy. Fibroblasts were submitted to conditioned medium with the same associations for 24, 48 and 72 h and LIVE/DEAD® viability test was carried out. Regardless of the period, there was a significant reduction (p < 0.01) of viable fungal cells load, as well as inhibition of fungal metabolic activity, in specimens treated with glaze+AgNps associations, compared to VER and PBS. The anti-Candida effects of the associations were similar to the VER+Nyst group, with emphasis on VER+AgGm, which showed the highest percentage values of non-viable fungal cells maintained over time. The associations did not prove toxicity to fibroblasts. The AgNps exerted antimicrobial activity against C. albicans biofilms and are biocompatible. The most effective results were achieved with the association of glaze+silver nanoparticles synthesized by the green chemistry method (AgGm), proving to be an innovative alternative in the management of DS.
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Affiliation(s)
- Nara Lígia Martins Almeida
- Department of Surgery, Stomatology, Pathology and Radiology, Bauru School of Dentistry, University of São Paulo (USP), Bauru, 17012-901, Brazil
| | - Laura Catalí Ferreira Peralta
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo (USP), Bauru 17012-901, Brazil
| | | | - Daniel Rinaldo
- Department of Chemistry, São Paulo State University (UNESP), Bauru 17033-360, Brazil
| | - Vinicius Carvalho Porto
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo (USP), Bauru 17012-901, Brazil
| | - Vanessa Soares Lara
- Department of Surgery, Stomatology, Pathology and Radiology, Bauru School of Dentistry, University of São Paulo (USP), Bauru, 17012-901, Brazil.
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3
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Zhang S, Kong N, Wang Z, Zhang Y, Ni C, Li L, Wang H, Yang M, Yang W, Yan F. Nanochemistry of gold: from surface engineering to dental healthcare applications. Chem Soc Rev 2024; 53:3656-3686. [PMID: 38502089 DOI: 10.1039/d3cs00894k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Advancements in nanochemistry have led to the development of engineered gold nanostructures (GNSs) with remarkable potential for a variety of dental healthcare applications. These innovative nanomaterials offer unique properties and functionalities that can significantly improve dental diagnostics, treatment, and overall oral healthcare applications. This review provides an overview of the latest advancements in the design, synthesis, and application of GNSs for dental healthcare applications. Engineered GNSs have emerged as versatile tools, demonstrating immense potential across different aspects of dentistry, including enhanced imaging and diagnosis, prevention, bioactive coatings, and targeted treatment of oral diseases. Key highlights encompass the precise control over GNSs' size, crystal structure, shape, and surface functionalization, enabling their integration into sensing, imaging diagnostics, drug delivery systems, and regenerative therapies. GNSs, with their exceptional biocompatibility and antimicrobial properties, have demonstrated efficacy in combating dental caries, periodontitis, peri-implantitis, and oral mucosal diseases. Additionally, they show great promise in the development of advanced sensing techniques for early diagnosis, such as nanobiosensor technology, while their role in targeted drug delivery, photothermal therapy, and immunomodulatory approaches has opened new avenues for oral cancer therapy. Challenges including long-term toxicity, biosafety, immune recognition, and personalized treatment are under rigorous investigation. As research at the intersection of nanotechnology and dentistry continues to thrive, this review highlights the transformative potential of engineered GNSs in revolutionizing dental healthcare, offering accurate, personalized, and minimally invasive solutions to address the oral health challenges of the modern era.
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Affiliation(s)
- Shuang Zhang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Na Kong
- School of Life and Environmental Science, Centre for Sustainable Bioproducts, Deakin University, Geelong, VIC, Australia.
- Hainan Provincial Key Laboratory of Natural Rubber Processing, Agricultural Products Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, China
| | - Zezheng Wang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Yangheng Zhang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Can Ni
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Lingjun Li
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Hongbin Wang
- School of Chemistry and Environment, Yunnan Minzu University, Kunming, China
| | - Min Yang
- School of Chemistry and Environment, Yunnan Minzu University, Kunming, China
| | - Wenrong Yang
- School of Life and Environmental Science, Centre for Sustainable Bioproducts, Deakin University, Geelong, VIC, Australia.
| | - Fuhua Yan
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
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Hooshiar MH, Moghaddam MA, Kiarashi M, Al-Hijazi AY, Hussein AF, A Alrikabi H, Salari S, Esmaelian S, Mesgari H, Yasamineh S. Recent advances in nanomaterial-based biosensor for periodontitis detection. J Biol Eng 2024; 18:28. [PMID: 38637787 PMCID: PMC11027550 DOI: 10.1186/s13036-024-00423-6] [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: 02/24/2024] [Accepted: 04/05/2024] [Indexed: 04/20/2024] Open
Abstract
Periodontitis, a chronic inflammatory condition caused by bacteria, often causes gradual destruction of the components that support teeth, such as the alveolar bone, cementum, periodontal ligament, and gingiva. This ultimately results in teeth becoming loose and eventually falling out. Timely identification has a crucial role in preventing and controlling its progression. Clinical measures are used to diagnose periodontitis. However, now, there is a hunt for alternative diagnostic and monitoring methods due to the progress of technology. Various biomarkers have been assessed using multiple bodily fluids as sample sources. Furthermore, conventional periodontal categorization factors do not provide significant insights into the present disease activity, severity and amount of tissue damage, future development, and responsiveness to treatment. In recent times, there has been a growing utilization of nanoparticle (NP)-based detection strategies to create quick and efficient detection assays. Every single one of these platforms leverages the distinct characteristics of NPs to identify periodontitis. Plasmonic NPs include metal NPs, quantum dots (QDs), carbon base NPs, and nanozymes, exceptionally potent light absorbers and scatterers. These find application in labeling, surface-enhanced spectroscopy, and color-changing sensors. Fluorescent NPs function as photostable and sensitive instruments capable of labeling various biological targets. This article presents a comprehensive summary of the latest developments in the effective utilization of various NPs to detect periodontitis.
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Affiliation(s)
| | - Masoud Amiri Moghaddam
- Assistant Professor of Periodontics, Dental Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Kiarashi
- College of Dentistry, Lorestan University of Medical Sciences, Khorramabad, Iran
| | | | | | - Hareth A Alrikabi
- Collage of Dentist, National University of Science and Technology, Dhi Qar, 64001, Iraq
| | - Sara Salari
- Doctor of Dental Surgery, Islamic Azad University of Medical Sciences, Esfahan, Iran
| | - Samar Esmaelian
- Faculty of Dentistry, Islamic Azad University, Tehran Branch, Tehran, Iran.
| | - Hassan Mesgari
- Department, Faculty of Dentistry Oral and Maxillofacial Surgery, Islamic Azad University, Tehran Branch, Tehran, Iran.
| | - Saman Yasamineh
- Young Researchers and Elite Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran
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5
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Othman SS, El-Waseif AAE, Hameed MA, Abbas QA. Antimicrobial behavior of nanocoated orthodontic micro-implants: An in vitro study. J Orthod Sci 2024; 13:2. [PMID: 38516118 PMCID: PMC10953694 DOI: 10.4103/jos.jos_115_23] [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: 06/15/2023] [Revised: 09/14/2023] [Accepted: 01/08/2024] [Indexed: 03/23/2024] Open
Abstract
OBJECTIVE The need to overcome the failure of orthodontic micro-implants which might reach to 30% has led to the development of different methods, one of which is nanoparticle deposition. AIM OF STUDY To evaluate the anti-microbial efficiency of TiO2 and ZnO nanoparticles (NP) when used as a coating for orthodontic micro-implants. METHODS Thirty titanium alloy micro-implants were used in the presented study. They were divided into three groups according to the coating method and the coating materials used: the control group without surface coating; the titanium dioxide (TiO2)-coated group, in which direct current (DC) spattering was used to coat the micro-implants with a TiO2 layer; and the TiO2 and zinc oxide (TiO2ZnO)-coated group, in which the micro-implants were coated with a TiO2 layer via direct current (DC) spattering and a zinc oxide (ZnO) layer via laser vacuum. The micro-implant surfaces were characterized using scanning electron microscopy (SEM) and an energy-dispersive spectrometer (EDS). The antibacterial susceptibility was assessed using gram-positive and gram-negative bacteria. RESULTS SEM and EDS tests confirmed the coating of the micro-implants in the TiO2- and TiO2ZnO-coated groups. The micro-implants in the TiO2- and TiO2ZnO-coated groups demonstrated higher antibacterial ability than the control group. CONCLUSION This study demonstrated the significance of improving the surface of orthodontic micro-implants by coating them with TiO2 and ZnO nanoparticles to improve osseointegration and prevent biofilm formation.
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Affiliation(s)
- Samer Salim Othman
- Department of Clinical Dental Sciences, College of Dentistry, Ibnsina University of Medical and Pharmaceutical Sciences, Baghdad, Iraq
| | | | | | - Qusay Adnan Abbas
- Department of Physics, College of Sciences, Baghdad University, Baghdad, Iraq
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Chladek G, Kalamarz I, Pakieła W, Barszczewska-Rybarek I, Czuba Z, Mertas A. A Temporary Acrylic Soft Denture Lining Material Enriched with Silver-Releasing Filler-Cytotoxicity, Mechanical and Antifungal Properties. MATERIALS (BASEL, SWITZERLAND) 2024; 17:902. [PMID: 38399153 PMCID: PMC10890124 DOI: 10.3390/ma17040902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/07/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024]
Abstract
Colonization of temporary denture soft linings and underlying tissues by yeast-like fungi is an important clinical problem due to the negative influence on the process of prosthetic treatment. Typical hygienic procedures are often insufficient to prevent fungal infections, so in this study, an antimicrobial filler (silver sodium hydrogen zirconium phosphate) was introduced into acrylic soft liner at concentrations of 1, 2, 4, 6, 8 and 10% (w/w). The effect of this modification on antifungal properties against Candida albicans, cytotoxicity, Shore A hardness, tensile strength and tensile bond strength, sorption and solubility was investigated, considering the recommended 30-day period of temporary soft lining use. The most favorable compilation of properties was obtained at a 1 to 6% filler content, for which nearly a total reduction in Candida albicans was registered even after 30 days of sample storing. The tensile and bond strength of these composites was at the desired and stable level and did not differ from the results for the control material. Hardness increased with the increasing concentration in filler but were within the range typical for soft lining materials and their changes during the experiment were similar to the control material. The materials were not cytotoxic and sorption and solubility levels were stable.
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Affiliation(s)
- Grzegorz Chladek
- Materials Research Laboratory, Faculty of Mechanical Engineering, Silesian University of Technology, 18a Konarskiego Str., 41-100 Gliwice, Poland
| | - Igor Kalamarz
- Igor Kalamarz Dental Practice, 6 Kotlarza Str., 40-139 Katowice, Poland;
| | - Wojciech Pakieła
- Department of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, Silesian University of Technology, 18a Konarskiego Str., 41-100 Gliwice, Poland;
| | - Izabela Barszczewska-Rybarek
- Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Strzody 9 Str., 44-100 Gliwice, Poland;
| | - Zenon Czuba
- Department of Microbiology and Immunology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 19 Jordana Str., 41-808 Zabrze, Poland; (Z.C.); (A.M.)
| | - Anna Mertas
- Department of Microbiology and Immunology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 19 Jordana Str., 41-808 Zabrze, Poland; (Z.C.); (A.M.)
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Hao Z, Wang M, Cheng L, Si M, Feng Z, Feng Z. Synergistic antibacterial mechanism of silver-copper bimetallic nanoparticles. Front Bioeng Biotechnol 2024; 11:1337543. [PMID: 38260749 PMCID: PMC10800703 DOI: 10.3389/fbioe.2023.1337543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
The excessive use of antibiotics in clinical settings has resulted in the rapid expansion, evolution, and development of bacterial and microorganism resistance. It causes a significant challenge to the medical community. Therefore, it is important to develop new antibacterial materials that could replace traditional antibiotics. With the advancements in nanotechnology, it has become evident that metallic and metal oxide nanoparticles (MeO NPs) exhibit stronger antibacterial properties than their bulk and micron-sized counterparts. The antibacterial properties of silver nanoparticles (Ag NPs) and copper nanoparticles (Cu NPs) have been extensively studied, including the release of metal ions, oxidative stress responses, damages to cell integrity, and immunostimulatory effects. However, it is crucial to consider the potential cytotoxicity and genotoxicity of Ag NPs and Cu NPs. Numerous experimental studies have demonstrated that bimetallic nanoparticles (BNPs) composed of Ag NPs and Cu NPs exhibit strong antibacterial effects while maintaining low cytotoxicity. Bimetallic nanoparticles offer an effective means to mitigate the genotoxicity associated with individual nanoparticles while considerably enhancing their antibacterial efficacy. In this paper, we presented on various synthesis methods for Ag-Cu NPs, emphasizing their synergistic effects, processes of reactive oxygen species (ROS) generation, photocatalytic properties, antibacterial mechanisms, and the factors influencing their performance. These materials have the potential to enhance efficacy, reduce toxicity, and find broader applications in combating antibiotic resistance while promoting public health.
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Affiliation(s)
- Zhaonan Hao
- School and Hospital of Stomatology, Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University, Taiyuan, China
| | - Mingbo Wang
- Guangdong Engineering Technology Research Center of Implantable Medical Polymer, Shenzhen Lando Biomaterials Co, Ltd., Shenzhen, China
| | - Lin Cheng
- Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
| | - Minmin Si
- School and Hospital of Stomatology, Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University, Taiyuan, China
| | - Zezhou Feng
- School and Hospital of Stomatology, Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University, Taiyuan, China
| | - Zhiyuan Feng
- Shanxi Academy of Advanced Research and Innovation (SAARI), Taiyuan, China
- Department of Orthodontics, Shanxi Provincial People’s Hospital, The Fifth Clinical Medical College of Shanxi Medical University, Taiyuan, China
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Malik S, Waheed Y. Emerging Applications of Nanotechnology in Dentistry. Dent J (Basel) 2023; 11:266. [PMID: 37999030 PMCID: PMC10670129 DOI: 10.3390/dj11110266] [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: 08/29/2023] [Revised: 10/20/2023] [Accepted: 11/14/2023] [Indexed: 11/25/2023] Open
Abstract
Dentistry is a branch of healthcare where nanobiotechnology is reverberating in multiple ways to produce beneficial outcomes. The purpose of this review is to bring into the awareness of the readers the various practical dimensions of the nano-dental complex (nanodentistry) in healthcare and how novelties linked with the field are revolutionizing dentistry. A methodological approach was adopted to collect the latest data on nanotechnology and dentistry from sources, including PubMed, Google Scholar, Scopus, and official websites like the WHO. Nanodentistry is an emerging field in dentistry that involves the use of nanomaterials, nanorobots, and nanotechnology to diagnose, treat, and prevent dental diseases. The results summarize the descriptive analyses of the uses of nanodentistry within orthodontics, preventive dentistry, prosthodontics, restorative dentistry, periodontics, dental surgeries, dental restoration technologies, and other areas of dentistry. The future directions of nano-industries and nano-healthcare have been included to link them with the oral healthcare sector, treatment plans, and improved medical services which could be explored in the future for advanced healthcare regulation. The major limitations to the use of dental nanoproducts are their cost-effectiveness and accessibility, especially in financially constrained countries. These data will help the readers to experience a detailed analysis and comprehensive covering of the diverse achievements of nanodentistry with past analyses, present scenarios, and future implications.
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Affiliation(s)
- Shiza Malik
- Bridging Health Foundation, Rawalpindi 46000, Pakistan;
| | - Yasir Waheed
- Office of Research Innovation and Commercialization (ORIC), Shaheed Zulfiqar Ali Bhutto Medical University (SZABMU), Islamabad 44000, Pakistan
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Byblos 1401, Lebanon
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9
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Malik S, Muhammad K, Waheed Y. Emerging Applications of Nanotechnology in Healthcare and Medicine. Molecules 2023; 28:6624. [PMID: 37764400 PMCID: PMC10536529 DOI: 10.3390/molecules28186624] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/05/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Knowing the beneficial aspects of nanomedicine, scientists are trying to harness the applications of nanotechnology in diagnosis, treatment, and prevention of diseases. There are also potential uses in designing medical tools and processes for the new generation of medical scientists. The main objective for conducting this research review is to gather the widespread aspects of nanomedicine under one heading and to highlight standard research practices in the medical field. Comprehensive research has been conducted to incorporate the latest data related to nanotechnology in medicine and therapeutics derived from acknowledged scientific platforms. Nanotechnology is used to conduct sensitive medical procedures. Nanotechnology is showing successful and beneficial uses in the fields of diagnostics, disease treatment, regenerative medicine, gene therapy, dentistry, oncology, aesthetics industry, drug delivery, and therapeutics. A thorough association of and cooperation between physicians, clinicians, researchers, and technologies will bring forward a future where there is a more calculated, outlined, and technically programed field of nanomedicine. Advances are being made to overcome challenges associated with the application of nanotechnology in the medical field due to the pathophysiological basis of diseases. This review highlights the multipronged aspects of nanomedicine and how nanotechnology is proving beneficial for the health industry. There is a need to minimize the health, environmental, and ethical concerns linked to nanotechnology.
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Affiliation(s)
- Shiza Malik
- Bridging Health Foundation, Rawalpindi 46000, Pakistan
| | - Khalid Muhammad
- Department of Biology, College of Science, UAE University, Al Ain 15551, United Arab Emirates
| | - Yasir Waheed
- Office of Research, Innovation and Commercialization, Shaheed Zulfiqar Ali Bhutto Medical University, Islamabad 44000, Pakistan
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Byblos 1401, Lebanon
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10
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Ansarifard E, Zahed M, Azarpira N, Jooyandeh S. Investigating the biocompatibility, flexural strength, and surface roughness of denture base resin containing copper oxide nanoparticles: An in vitro study. Heliyon 2023; 9:e19846. [PMID: 37809470 PMCID: PMC10559242 DOI: 10.1016/j.heliyon.2023.e19846] [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: 07/25/2022] [Revised: 08/26/2023] [Accepted: 09/04/2023] [Indexed: 10/10/2023] Open
Abstract
Aim This study aimed to evaluate the biocompatibility, flexural strength, and surface roughness of polymethyl methacrylate (PMMA) containing Copper Oxide Nanoparticles (CuO NPs) at different concentrations. Methods 25 heat-polymerized PMMA wax patterns fabricated in 5 groups containing 0.5, 5, 50, and 500 μg/ml CuO NPs and nanoparticle (NP)-free PMMA discs were prepared. 5 growth mediums (DMEM with 10% FBS and 1% penicillin-streptomycin) without disks were also incubated similarly to serve as the control groups. The cytotoxicity of the discs was measured by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay on cultured Human Gingival Fibroblasts. The number of 1.3 × 104 cells were seeded in each well of 96-well plates (5 wells for the extract of each specimen). Days 1, 3, 5, and 7 were the intervals that the culture media were in direct contact with the PMMA discs for either 24 or 72 h. After that, a total of 40 specimens with 65 × 10 × 2.5 mm dimensions were prepared in five groups (n = 8). The specimens were subjected to a rugosimeter for the evaluation of surface roughness. The flexural strength test was performed using a universal testing machine. Microscopic evaluation was performed for the dispersion of the NPs. Non-parametric Kruskal-Wallis test and parametric one-way ANOVA test were used for data analysis. Results The samples containing 500 μg/ml NPs showed the lowest percentage of cell viability at all incubation periods, while the highest cell viability was observed in NP-free PMMA 24 h after the seventh day of incubation. NPs at 50 and 500 μg/ml concentrations showed strongly significant differences in cytotoxicity compared to the 0 concentration and the control group (p < 0.001). Although all the samples demonstrated an increasing pattern of cell viability on the third, fifth, and seventh days, the percentage of cell viability was significantly lower after 72 h than after 24 h in all incubation periods (p < 0.001). NPs significantly increased flexural strength (p = 0.005) but did not affect the surface roughness of the PMMA discs (p = 0.396). Significance The CuO NPs were cytotoxic only when applied in high concentrations, but presented a descending trend over time. No cytotoxic effect was observed in the experimental groups after seven days of incubation. Furthermore, CuO NPs increased flexural strength, but the surface roughness of the PMMA discs was not affected.
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Affiliation(s)
- Elham Ansarifard
- Department of Prosthetics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Maryam Zahed
- Oral and Dental Disease Research Center, Department of Oral and Maxillofacial Medicine, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Azarpira
- Organ Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Saghar Jooyandeh
- Student Research Committee, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
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Chisnoiu RM, Muntean A, Păstrav O, Chisnoiu AM, Cuc S, Silaghi Dumitrescu L, Păstrav M, Prodan D, Delean AG. Polymer Mixtures for Experimental Self-Limited Dental Burs Development-A Preliminary Approach (Part 1). J Funct Biomater 2023; 14:447. [PMID: 37754861 PMCID: PMC10532411 DOI: 10.3390/jfb14090447] [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: 08/02/2023] [Revised: 08/24/2023] [Accepted: 08/28/2023] [Indexed: 09/28/2023] Open
Abstract
Alternative techniques have been investigated for effectiveness in caries removal because conventional metallic dental burs can lead to an excessive loss of sound tissue. The aim of the present study is to realize a preliminary approach in obtaining effective polymer mixtures for polymeric bur development, capable of removing primary dental caries using combinations of polymers to ensure the requirements for such instruments, but also a greater compatibility with the teeth structure. This study assessed the main mechanical properties, water sorption, solubility and microscopic structure of four new polymer mixture recipes to provide essential features in obtaining experimental self-limited dental burs. Two mixtures have in their composition polymer mixtures of Bis-phenol A diglycidyl ether dimethacrylate/Triethylene glycol dimethacrylate/Urethane dimethacrylates (R1, R2), and two other mixtures have Bis-phenol A diglycidyl ether dimethacrylate/Polymethyl methacrylate/Methyl methacrylates (R3, R4). The incorporation of nanoparticles into the polymer matrix has become essential due to the need of polymer biocompatibility increasing along with teeth surface remineralization, so that the powder charge was added to four recipes, such as 5% glass with BaF2 and 0.5% graphene with silver particles. All data sets were analyzed using the One-Way ANOVA test. R3, R4 showed higher compressive strength and diametrical compression values; these values increased when glass and graphene were added. Moreover, the addition of glass particles lead to an increase in flexural strength. Regarding the sorption, sample R3 had the most significant differences between day 69 and the rest of the investigation days, while the solubility varied at different intervals. From the mechanical evaluation, we could conclude that the Bis-GMA/PMMA/MMA mixtures fit the mechanical characteristics supported by polymer burs, following future studies regarding their use on the affected dentin.
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Affiliation(s)
- Radu Marcel Chisnoiu
- Department of Odontology, Endodontics and Oral Pathology, “Iuliu Hațieganu” University of Medicine and Pharmacy, 33 Moților Street, 400001 Cluj-Napoca, Romania; (R.M.C.); (O.P.); (A.G.D.)
| | - Alexandrina Muntean
- Department of Pedodontics, “Iuliu Hațieganu” University of Medicine and Pharmacy, 31 Avram Iancu Street, 400083 Cluj-Napoca, Romania;
| | - Ovidiu Păstrav
- Department of Odontology, Endodontics and Oral Pathology, “Iuliu Hațieganu” University of Medicine and Pharmacy, 33 Moților Street, 400001 Cluj-Napoca, Romania; (R.M.C.); (O.P.); (A.G.D.)
| | - Andrea Maria Chisnoiu
- Department of Prosthodontics, “Iuliu Hațieganu” University of Medicine and Pharmacy, 32 Clinicilor Street, 400006 Cluj-Napoca, Romania
| | - Stanca Cuc
- “Raluca Ripan” Institute for Research in Chemistry, Babes-Bolyai University, 30 Fantanele Street, 400294 Cluj-Napoca, Romania; (L.S.D.); (D.P.)
| | - Laura Silaghi Dumitrescu
- “Raluca Ripan” Institute for Research in Chemistry, Babes-Bolyai University, 30 Fantanele Street, 400294 Cluj-Napoca, Romania; (L.S.D.); (D.P.)
| | - Mihaela Păstrav
- Department of Orthodontics, “Iuliu Hațieganu” University of Medicine and Pharmacy, 31 Avram Iancu Street, 400083 Cluj-Napoca, Romania;
| | - Doina Prodan
- “Raluca Ripan” Institute for Research in Chemistry, Babes-Bolyai University, 30 Fantanele Street, 400294 Cluj-Napoca, Romania; (L.S.D.); (D.P.)
| | - Ada Gabriela Delean
- Department of Odontology, Endodontics and Oral Pathology, “Iuliu Hațieganu” University of Medicine and Pharmacy, 33 Moților Street, 400001 Cluj-Napoca, Romania; (R.M.C.); (O.P.); (A.G.D.)
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12
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Han J, Ma Q, An Y, Wu F, Zhao Y, Wu G, Wang J. The current status of stimuli-responsive nanotechnologies on orthopedic titanium implant surfaces. J Nanobiotechnology 2023; 21:277. [PMID: 37596638 PMCID: PMC10439657 DOI: 10.1186/s12951-023-02017-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 07/21/2023] [Indexed: 08/20/2023] Open
Abstract
With the continuous innovation and breakthrough of nanomedical technology, stimuli-responsive nanotechnology has been gradually applied to the surface modification of titanium implants to achieve brilliant antibacterial activity and promoted osteogenesis. Regarding to the different physiological and pathological microenvironment around implants before and after surgery, these surface nanomodifications are designed to respond to different stimuli and environmental changes in a timely, efficient, and specific way/manner. Here, we focus on the materials related to stimuli-responsive nanotechnology on titanium implant surface modification, including metals and their compounds, polymer materials and other materials. In addition, the mechanism of different response types is introduced according to different activation stimuli, including magnetic, electrical, photic, radio frequency and ultrasonic stimuli, pH and enzymatic stimuli (the internal stimuli). Meanwhile, the associated functions, potential applications and developing prospect were discussion.
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Affiliation(s)
- Jingyuan Han
- Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi’an, 710032 China
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application, Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, 154007 China
| | - Qianli Ma
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, Geitmyrsveien, Oslo, 710455 Norway
| | - Yanxin An
- Department of General Surgery, The First Affiliated Hospital of Xi’an Medical University, Xi’an, China
| | - Fan Wu
- Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi’an, 710032 China
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application, Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, 154007 China
| | - Yuqing Zhao
- Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi’an, 710032 China
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application, Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, 154007 China
| | - Gaoyi Wu
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application, Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, 154007 China
| | - Jing Wang
- Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi’an, 710032 China
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13
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Cai H, Xu X, Lu X, Zhao M, Jia Q, Jiang HB, Kwon JS. Dental Materials Applied to 3D and 4D Printing Technologies: A Review. Polymers (Basel) 2023; 15:2405. [PMID: 37242980 PMCID: PMC10224282 DOI: 10.3390/polym15102405] [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: 04/23/2023] [Revised: 05/09/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
As computer-aided design and computer-aided manufacturing (CAD/CAM) technologies have matured, three-dimensional (3D) printing materials suitable for dentistry have attracted considerable research interest, owing to their high efficiency and low cost for clinical treatment. Three-dimensional printing technology, also known as additive manufacturing, has developed rapidly over the last forty years, with gradual application in various fields from industry to dental sciences. Four-dimensional (4D) printing, defined as the fabrication of complex spontaneous structures that change over time in response to external stimuli in expected ways, includes the increasingly popular bioprinting. Existing 3D printing materials have varied characteristics and scopes of application; therefore, categorization is required. This review aims to classify, summarize, and discuss dental materials for 3D printing and 4D printing from a clinical perspective. Based on these, this review describes four major materials, i.e., polymers, metals, ceramics, and biomaterials. The manufacturing process of 3D printing and 4D printing materials, their characteristics, applicable printing technologies, and clinical application scope are described in detail. Furthermore, the development of composite materials for 3D printing is the main focus of future research, as combining multiple materials can improve the materials' properties. Updates in material sciences play important roles in dentistry; hence, the emergence of newer materials are expected to promote further innovations in dentistry.
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Affiliation(s)
- HongXin Cai
- Department and Research Institute of Dental Biomaterials and Bioengineering, Yonsei University College of Dentistry, Seoul 03722, Republic of Korea;
| | - Xiaotong Xu
- The CONVERSATIONALIST Club, School of Stomatology, Shandong First Medical University, Jinan 250117, China; (X.X.); (X.L.); (M.Z.); (Q.J.)
| | - Xinyue Lu
- The CONVERSATIONALIST Club, School of Stomatology, Shandong First Medical University, Jinan 250117, China; (X.X.); (X.L.); (M.Z.); (Q.J.)
| | - Menghua Zhao
- The CONVERSATIONALIST Club, School of Stomatology, Shandong First Medical University, Jinan 250117, China; (X.X.); (X.L.); (M.Z.); (Q.J.)
| | - Qi Jia
- The CONVERSATIONALIST Club, School of Stomatology, Shandong First Medical University, Jinan 250117, China; (X.X.); (X.L.); (M.Z.); (Q.J.)
| | - Heng-Bo Jiang
- The CONVERSATIONALIST Club, School of Stomatology, Shandong First Medical University, Jinan 250117, China; (X.X.); (X.L.); (M.Z.); (Q.J.)
| | - Jae-Sung Kwon
- Department and Research Institute of Dental Biomaterials and Bioengineering, Yonsei University College of Dentistry, Seoul 03722, Republic of Korea;
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Peralta LCF, Almeida NLM, Pontes FML, Rinaldo D, Carneiro CA, Neppelenbroek KH, Lara VS, Porto VC. Silver nanoparticles in denture adhesive: An antimicrobial approach against Candida albicans. J Dent 2023; 131:104445. [PMID: 36773742 DOI: 10.1016/j.jdent.2023.104445] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 01/21/2023] [Accepted: 02/03/2023] [Indexed: 02/11/2023] Open
Abstract
OBJECTIVE To evaluate the antimicrobial potential of silver nanoparticles (Ag NPs) synthesized using three different routes (ultraviolet light, Turkevich, and green chemistry method using Glycine max extract) associated with COREGA® denture powder adhesive. METHODS Heat-cured acrylic resin specimens were treated with different Ag NPs associated with the adhesive (AD + Ag UV, AD + Ag Turk, and AD + Ag Gm groups). As controls, the specimens were treated with a combination of adhesive and nystatin (AD + Nyst group), only adhesive (AD group), or submerged on the surface of the specimens (PBS group). After the treatments, biofilms of C. albicans developed for 3, 6, and 12 h on the specimen surfaces. The biofilm was quantified using colony-forming units per milliliter, colorimetric assay, and confocal laser scanning microscopy. RESULTS Regardless of the period, we observed an inhibition of fungal load and a reduction in metabolic activity and biofilm mass in the resin specimens treated with the combinations AD/Ag NPs, compared to AD and PBS. The antimicrobial action of the AD + Turk and AD + Ag Gm groups was similar than that for the AD + Nyst group in all periods and viability tests, except for the biofilm mass (12 h). CONCLUSIONS The COREGA® adhesive with Ag NPs, mainly those synthesized using the Turkevich and Glycine max methods, showed excellent antimicrobial activity against C. albicans biofilms, maintained for up to 12 h. CLINICAL SIGNIFICANCE The association of Ag NPs to the adhesive can add preventive or therapeutic effects against denture stomatitis, to this prosthetic material.
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Affiliation(s)
- Laura Catalí Ferreira Peralta
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil, 17012-901
| | - Nara Ligia Martins Almeida
- Department of Surgery, Stomatology, Pathology and Radiology, Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil, 17012-901
| | | | - Daniel Rinaldo
- Department of Chemistry, São Paulo State University (UNESP), Bauru, Brazil
| | - Camila Alves Carneiro
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil, 17012-901
| | - Karin Hermana Neppelenbroek
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil, 17012-901
| | - Vanessa Soares Lara
- Department of Surgery, Stomatology, Pathology and Radiology, Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil, 17012-901
| | - Vinicius Carvalho Porto
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil, 17012-901.
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15
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Fathy Abo-Elmahasen MM, Abo Dena AS, Zhran M, Albohy SAH. Do silver/hydroxyapatite and zinc oxide nano-coatings improve inflammation around titanium orthodontic mini-screws? In vitro study. Int Orthod 2023; 21:100711. [PMID: 36463787 DOI: 10.1016/j.ortho.2022.100711] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 10/13/2022] [Accepted: 10/16/2022] [Indexed: 12/03/2022]
Abstract
BACKGROUND Overcoming the failure percentage of orthodontic mini-screws (OMSs), which is about 30% of overall orthodontic cases, especially in malocclusion treatment that requires orthopaedic heavy forces, is a great challenge. Bacterial infections, soft tissue and bone inflammation, and weak connections between bones and the OMS surface are among the main causalities of this failure. OBJECTIVE The aim of the study is to evaluate in vitro the microbiological activities of the deposited nanomaterials (Silver/hydroxyapatite nanoparticles (Ag/HA NPs) and zinc oxide nanoparticles (ZnO NPs)) in terms of microbial inhibition. In addition, the in-vitro cytotoxicity and cytocompatibility of the synthesized nano-coatings prior to their in-vivo application in animal models were tested on four types of cells, namely, fibroblasts, osteocytes, osteoblasts, and oral epithelial cells. MATERIALS AND METHODS Ag/HA NPs and ZnO NPs were built up onto the surface of titanium OMSs by electrochemical deposition. This electrochemical deposition was performed on 50 orthodontic mini screws and the deposited materials were characterized with the aid of scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM/EDX) analysis, X-ray Diffraction (XRD) and nano-scratch test. In addition, the microbiological activities of the deposited nanomaterials were explored in vitro in terms of microbial inhibition. Furthermore, the cytotoxicity and cytocompatibility were tested on four types of cells, namely, fibroblasts, osteocytes, osteoblasts and oral epithelial cells. RESULTS SEM images revealed spherical Ag NPs in the range of 40-70nm in diameter, rod-shaped HA NPs and porous scaly ZnO NPs on the surface of the OMSs. XRD analysis confirmed the crystal structures of AgNPs, HA NPs, and ZnO NPs. ZnO NPs coated OMS had the highest antimicrobial activity than Ag/HA coated OMS against Gram-positive, Gram-negative and fungal strains. Moreover, after incubation, the decrease in the number of bacterial colonies was significant with ZnO and Ag/HA nanoparticles (with the greatest decrease for the former), due to the potent antibacterial effect of nanoparticles against Escherichia coli and Enterococcus faecalis. Moreover, ZnO NPs-coated OMSs showed a better cytocompatibility with oral epithelium, bone cells, and fibroblasts compared to Ag/HA NPs. CONCLUSION The suggested nanocoating is a promising strategy to overcome the development of an inflammatory zone around the fixed OMSs.
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Affiliation(s)
| | - Ahmed S Abo Dena
- Pharmaceutical Chemistry Department, National Organization for Drug Control and Research (NODCAR), Giza, Egypt; Faculty of Oral and Dental Medicine, Future University in Egypt (FUE), New Cairo, Egypt
| | - Monira Zhran
- Botany and Microbiology Department, Faculty of Science (Girls Branch), Al-Azhar University, Cairo, Egypt
| | - Salwa A H Albohy
- Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
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16
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Nasarudin NA, Razali M, Goh V, Chai WL, Muchtar A. Expression of Interleukin-1β and Histological Changes of the Three-Dimensional Oral Mucosal Model in Response to Yttria-Stabilized Nanozirconia. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2027. [PMID: 36903142 PMCID: PMC10003861 DOI: 10.3390/ma16052027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/19/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Over the years, advancement in ceramic-based dental restorative materials has led to the development of monolithic zirconia with increased translucency. The monolithic zirconia fabricated from nano-sized zirconia powders is shown to be superior in physical properties and more translucent for anterior dental restorations. Most in vitro studies on monolithic zirconia have focused mainly on the effect of surface treatment or the wear of the material, while the nanotoxicity of this material is yet to be explored. Hence, this research aimed to assess the biocompatibility of yttria-stabilized nanozirconia (3-YZP) on the three-dimensional oral mucosal models (3D-OMM). The 3D-OMMs were constructed using human gingival fibroblast (HGF) and immortalized human oral keratinocyte cell line (OKF6/TERT-2), co-cultured on an acellular dermal matrix. On day 12, the tissue models were exposed to 3-YZP (test) and inCoris TZI (IC) (reference material). The growth media were collected at 24 and 48 h of exposure to materials and assessed for IL-1β released. The 3D-OMMs were fixed with 10% formalin for the histopathological assessments. The concentration of the IL-1β was not statistically different between the two materials for 24 and 48 h of exposure (p = 0.892). Histologically, stratification of epithelial cells was formed without evidence of cytotoxic damage and the epithelial thickness measured was the same for all model tissues. The excellent biocompatibility of nanozirconia, as evidenced by the multiple endpoint analyses of the 3D-OMM, may indicate the potential of its clinical application as a restorative material.
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Affiliation(s)
- Naziratul Adirah Nasarudin
- Department of Restorative Dentistry, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur 50300, Malaysia
| | - Masfueh Razali
- Department of Restorative Dentistry, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur 50300, Malaysia
| | - Victor Goh
- 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
| | - Andanastuti Muchtar
- Department of Mechanical and Manufacturing Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
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17
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Kolarikova M, Hosikova B, Dilenko H, Barton-Tomankova K, Valkova L, Bajgar R, Malina L, Kolarova H. Photodynamic therapy: Innovative approaches for antibacterial and anticancer treatments. Med Res Rev 2023. [PMID: 36757198 DOI: 10.1002/med.21935] [Citation(s) in RCA: 52] [Impact Index Per Article: 52.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 12/07/2022] [Accepted: 01/03/2023] [Indexed: 02/10/2023]
Abstract
Photodynamic therapy is an alternative treatment mainly for cancer but also for bacterial infections. This treatment dates back to 1900 when a German medical school graduate Oscar Raab found a photodynamic effect while doing research for his doctoral dissertation with Professor Hermann von Tappeiner. Unexpectedly, Raab revealed that the toxicity of acridine on paramecium depends on the intensity of light in his laboratory. Photodynamic therapy is therefore based on the administration of a photosensitizer with subsequent light irradiation within the absorption maxima of this substance followed by reactive oxygen species formation and finally cell death. Although this treatment is not a novelty, there is an endeavor for various modifications to the therapy. For example, selectivity and efficiency of the photosensitizer, as well as irradiation with various types of light sources are still being modified to improve final results of the photodynamic therapy. The main aim of this review is to summarize anticancer and antibacterial modifications, namely various compounds, approaches, and techniques, to enhance the effectiveness of photodynamic therapy.
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Affiliation(s)
- Marketa Kolarikova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Barbora Hosikova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Hanna Dilenko
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Katerina Barton-Tomankova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Lucie Valkova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Robert Bajgar
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Lukas Malina
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Hana Kolarova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
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Pacho MO, Deeney D, Johnson EA, Bravo BN, Patel K, Latta MA, Belshan MA, Gross SM. Characterization of Ag-Ion Releasing Zeolite Filled 3D Printed Resins. J Funct Biomater 2022; 14:jfb14010007. [PMID: 36662054 PMCID: PMC9861246 DOI: 10.3390/jfb14010007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
There has been profound growth in the use of 3D printed materials in dentistry in general, including orthodontics. The opportunity to impart antimicrobial properties to 3D printed parts from existing resins requires the capability of forming a stable colloid incorporating antimicrobial fillers. The objective of this research was to characterize a colloid consisting of a 3D printable resin mixed with Ag-ion releasing zeolites and fumed silica to create 3D printed parts with antiviral properties. The final composite was tested for antiviral properties against SARS-CoV-2 and HIV-1. Antiviral activity was measured in terms of the half-life of SARS-CoV-2 and HIV-1 on the composite surface. The inclusion of the zeolite did not interfere with the kinetics measured on the surface of the ATR crystal. While the depth of cure, measured following ISO4049 guidelines, was reduced from 3.8 mm to 1.4 mm in 5 s, this greatly exceeded the resolution required for 3D printing. The colloid was stable for at least 6 months and the rheological behavior was dependent upon the fumed silica loading. The inclusion of zeolites and fumed silica significantly increased the flexural strength of the composite as measured by a 3 point bend test. The composite released approximately 2500 μg/L of silver ion per gram of composite as determined by potentiometry. There was a significant reduction of the average half-life of SARS-CoV-2 (1.9 fold) and HIV-1 (2.7 fold) on the surface of the composite. The inclusion of Ag-ion releasing zeolites into 3D-printable resin can result in stable colloids that generate composites with improved mechanical properties and antiviral properties.
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Affiliation(s)
- Marian O. Pacho
- Department of Oral Biology, School of Dentistry, Creighton University, Omaha, NE 68178, USA
| | - Dylan Deeney
- Department of Medical Microbiology and Immunology, Creighton University, Omaha, NE 68178, USA
| | - Emily A. Johnson
- Department of Oral Biology, School of Dentistry, Creighton University, Omaha, NE 68178, USA
| | - Bryanna N. Bravo
- Department of Chemistry, College of Arts and Sciences, Creighton University, Omaha, NE 68178, USA
| | - Kishen Patel
- Department of Chemistry, College of Arts and Sciences, Creighton University, Omaha, NE 68178, USA
| | - Mark A. Latta
- Department of Oral Biology, School of Dentistry, Creighton University, Omaha, NE 68178, USA
| | - Michael A. Belshan
- Department of Medical Microbiology and Immunology, Creighton University, Omaha, NE 68178, USA
| | - Stephen M. Gross
- Department of Oral Biology, School of Dentistry, Creighton University, Omaha, NE 68178, USA
- Department of Chemistry, College of Arts and Sciences, Creighton University, Omaha, NE 68178, USA
- Correspondence:
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Kreutz M, Kreutz C, Kanzow P, Tauböck TT, Burrer P, Noll C, Bader O, Rohland B, Wiegand A, Rizk M. Effect of Bioactive and Antimicrobial Nanoparticles on Properties and Applicability of Dental Adhesives. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3862. [PMID: 36364638 PMCID: PMC9694625 DOI: 10.3390/nano12213862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/25/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
The aim of the study was to examine the applicability of bioactive and antibacterial nanoparticles to an experimental adhesive. The adhesive (60 wt% BisGMA, 15 wt% TEGDMA, 25 wt% HEMA) was mixed with combinations of 5 wt% methacryl-functionalized polyhedral oligomeric silsesquioxane (MA-POSS) and one kind of bioactive/antibacterial nanoparticles: 1 wt% core-shell silica-silver nanoparticle (SiO2@Ag), 1 wt% bioactive glass with bismuth (BAG-Bi) or 1 wt% calcium phosphate (CAP). Pure adhesive served as control. The physicochemical (degree of conversion (DC), linear shrinkage (LS), shear and complex viscosity, water sorption (WS), sol fraction (SF)), biological (antimicrobial effect) and bioactive (mineral precipitation) properties were investigated. DC and LS remained unchanged. The combination of BAG-Bi/MA-POSS resulted in a significantly increased WS and SF compared to control. In addition, the combination of CAP/MA-POSS slightly increased the shear viscosity of the adhesive. The addition of the nanoparticles did not influence the antimicrobial effects compared to the pure adhesive. Improved mineral inducing capacity could be detected in all nanoparticle combinations. The combination of bioactive and/or antibacterial nanoparticles showed improved mineral inducing capacity, but no antibacterial properties. The material properties were not or only slightly affected.
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Affiliation(s)
- Marietta Kreutz
- Department of Preventive Dentistry, Periodontology and Cariology, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Christian Kreutz
- Department of Preventive Dentistry, Periodontology and Cariology, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Philipp Kanzow
- Department of Preventive Dentistry, Periodontology and Cariology, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Tobias T. Tauböck
- Department of Conservative and Preventive Dentistry, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland
| | - Phoebe Burrer
- Department of Conservative and Preventive Dentistry, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland
| | - Christine Noll
- Institute of Medical Microbiology and Virology, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Oliver Bader
- Institute of Medical Microbiology and Virology, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Bianca Rohland
- Department of Preventive Dentistry, Periodontology and Cariology, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Annette Wiegand
- Department of Preventive Dentistry, Periodontology and Cariology, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Marta Rizk
- Department of Preventive Dentistry, Periodontology and Cariology, University Medical Center Göttingen, 37075 Göttingen, Germany
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Kroczek K, Turek P, Mazur D, Szczygielski J, Filip D, Brodowski R, Balawender K, Przeszłowski Ł, Lewandowski B, Orkisz S, Mazur A, Budzik G, Cebulski J, Oleksy M. Characterisation of Selected Materials in Medical Applications. Polymers (Basel) 2022; 14:1526. [PMID: 35458276 PMCID: PMC9027145 DOI: 10.3390/polym14081526] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/01/2022] [Accepted: 04/06/2022] [Indexed: 11/19/2022] Open
Abstract
Tissue engineering is an interdisciplinary field of science that has developed very intensively in recent years. The first part of this review describes materials with medical and dental applications from the following groups: metals, polymers, ceramics, and composites. Both positive and negative sides of their application are presented from the point of view of medical application and mechanical properties. A variety of techniques for the manufacture of biomedical components are presented in this review. The main focus of this work is on additive manufacturing and 3D printing, as these modern techniques have been evaluated to be the best methods for the manufacture of medical and dental devices. The second part presents devices for skull bone reconstruction. The materials from which they are made and the possibilities offered by 3D printing in this field are also described. The last part concerns dental transitional implants (scaffolds) for guided bone regeneration, focusing on polylactide-hydroxyapatite nanocomposite due to its unique properties. This section summarises the current knowledge of scaffolds, focusing on the material, mechanical and biological requirements, the effects of these devices on the human body, and their great potential for applications.
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Affiliation(s)
- Kacper Kroczek
- Doctoral School of Engineering and Technical Sciences, Rzeszow University of Technology, 35-959 Rzeszow, Poland;
| | - Paweł Turek
- Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (Ł.P.); (G.B.)
| | - Damian Mazur
- Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, 35-959 Rzeszow, Poland
| | - Jacek Szczygielski
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
- Department of Neurosurgery, Faculty of Medicine, Saarland University, 66123 Saarbrücken, Germany
| | - Damian Filip
- Institute of Medical Science, University of Rzeszow, 35-959 Rzeszow, Poland;
| | - Robert Brodowski
- Department of Maxillofacial Surgery, Fryderyk Chopin Clinical Voivodeship Hospital No.1 in Rzeszow, 35-055 Rzeszow, Poland;
| | - Krzysztof Balawender
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
| | - Łukasz Przeszłowski
- Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (Ł.P.); (G.B.)
| | - Bogumił Lewandowski
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
- Department of Maxillofacial Surgery, Fryderyk Chopin Clinical Voivodeship Hospital No.1 in Rzeszow, 35-055 Rzeszow, Poland;
| | - Stanisław Orkisz
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
| | - Artur Mazur
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
| | - Grzegorz Budzik
- Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (Ł.P.); (G.B.)
| | - Józef Cebulski
- Institute of Physics, University of Rzeszow, 35-959 Rzeszow, Poland;
| | - Mariusz Oleksy
- Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszow, Poland;
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21
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Dabbah K, Perelshtein I, Gedanken A, Houri-Haddad Y, Feuerstein O. Effects of a ZnCuO-Nanocoated Ti-6Al-4V Surface on Bacterial and Host Cells. MATERIALS 2022; 15:ma15072514. [PMID: 35407847 PMCID: PMC8999654 DOI: 10.3390/ma15072514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/25/2022] [Accepted: 03/27/2022] [Indexed: 02/01/2023]
Abstract
This study aims to investigate the effects of a novel ZnCuO nanoparticle coating for dental implants—versus those of conventional titanium surfaces—on bacteria and host cells. A multispecies biofilm composed of Streptococcus sanguinis, Actinomyces naeslundii, Porphyromonas gingivalis, and Fusobacterium nucleatum was grown for 14 days on various titanium discs: machined, sandblasted, sandblasted and acid-etched (SLA), ZnCuO-coated, and hydroxyapatite discs. Bacterial species were quantified with qPCR, and their viability was examined via confocal microscopy. Osteoblast-like and macrophage-like cells grown on the various discs for 48 h were examined for proliferation using an XTT assay, and for activity using ALP and TNF-α assays. The CSLM revealed more dead bacteria in biofilms grown on titanium than on hydroxyapatite, and less on sandblasted than on machined and ZnCuO-coated surfaces, with the latter showing a significant decrease in all four biofilm species. The osteoblast-like cells showed increased proliferation on all of the titanium surfaces, with higher activity on the ZnCuO-coated and sandblasted discs. The macrophage-like cells showed higher proliferation on the hydroxyapatite and sandblasted discs, and lower activity on the SLA and ZnCuO-coated discs. The ZnCuO-coated titanium has anti-biofilm characteristics with desired effects on host cells, thus representing a promising candidate in the complex battle against peri-implantitis.
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Affiliation(s)
- Kamal Dabbah
- Department of Prosthodontics, Hadassah Medical Center, Faculty of Dental Medicine, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (K.D.); (Y.H.-H.)
| | - Ilana Perelshtein
- Department of Chemistry, Bar-Ilan Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel; (I.P.); (A.G.)
| | - Aharon Gedanken
- Department of Chemistry, Bar-Ilan Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel; (I.P.); (A.G.)
| | - Yael Houri-Haddad
- Department of Prosthodontics, Hadassah Medical Center, Faculty of Dental Medicine, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (K.D.); (Y.H.-H.)
| | - Osnat Feuerstein
- Department of Prosthodontics, Hadassah Medical Center, Faculty of Dental Medicine, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (K.D.); (Y.H.-H.)
- Correspondence: ; Tel.: +972-2-6778158
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22
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Budi HS, Jameel MF, Widjaja G, Alasady MS, Mahmudiono T, Mustafa YF, Fardeeva I, Kuznetsova M. Study on the role of nano antibacterial materials in orthodontics (a review). BRAZ J BIOL 2022; 84:e257070. [PMID: 35195179 DOI: 10.1590/1519-6984.257070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 11/12/2021] [Indexed: 11/21/2022] Open
Abstract
Nanoparticles (NPs) are insoluble particles with a diameter of fewer than 100 nanometers. Two main methods have been utilized in orthodontic therapy to avoid microbial adherence or enamel demineralization. Certain NPs are included in orthodontic adhesives or acrylic resins (fluorohydroxyapatite, fluorapatite, hydroxyapatite, SiO2, TiO2, silver, nanofillers), and NPs (i.e., a thin layer of nitrogen-doped TiO2 on the bracket surfaces) are coated on the surfaces of orthodontic equipment. Although using NPs in orthodontics may open up modern facilities, prior research looked at antibacterial or physical characteristics for a limited period of time, ranging from one day to several weeks, and the limits of in vitro studies must be understood. The long-term effectiveness of nanotechnology-based orthodontic materials has not yet been conclusively confirmed and needs further study, as well as potential safety concerns (toxic effects) associated with NP size.
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Affiliation(s)
- H S Budi
- Universitas Airlangga, Department of Oral Biology, Surabaya, Indonesia
| | | | - G Widjaja
- Universitas Krisnadwipayana, Jatiwaringin, Indonesia
| | | | - Trias Mahmudiono
- Faculty of Public Health Universitas Airlangga, Trias Mahmudiono, Departemen of Nutrition, Indonesia
| | - Y F Mustafa
- University of Mosul, College of Pharmacy, Department of Pharmaceutical Chemistry, Mosul, Iraq
| | | | - M Kuznetsova
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Department of Propaedeutics of Dental Diseases, Moscow, Russian Federation
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23
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Torres-Betancourt JA, Hernandez-Delgadillo R, Flores-Treviño JJ, Solís-Soto JM, Pineda-Aguilar N, Nakagoshi-Cepeda MAA, Isela Sánchez-Nájera R, Chellam S, Cabral-Romero C. Antimicrobial potential of AH Plus supplemented with bismuth lipophilic nanoparticles on E. faecalis isolated from clinical isolates. J Appl Biomater Funct Mater 2022; 20:22808000211069221. [PMID: 35114826 DOI: 10.1177/22808000211069221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The objective of this study was to determine the antimicrobial potential of AH plus supplemented with bismuth lipophilic nanoparticles (BisBAL NPs) on the growth of Enterococcus faecalis isolated from patients with endodontic infections. BisBAL NPs, synthesized with the colloidal method, were characterized, in its pure form or AH Plus-absorbed, by energy-dispersive X-ray spectroscopy and scanning electron microscopy (EDS-SEM). Antimicrobial activity was evaluated with disc diffusion assays, and antibiofilm activity with fluorescence microscopy. BisBAL NP-supplemented AH Plus had a 4.9 times higher antimicrobial activity than AH Plus alone (p = 0.0001). In contrast to AH Plus alone, AH Plus supplemented with BisBAL NP inhibited E. faecalis biofilm formation. The sealing properties of AH plus were not modified by the incorporation of BisBAL NPs, which was demonstrated by a 12-day split-chamber leakage assay with daily inoculation, which was used to evaluate the possible filtration of E. faecalis. Finally, BisBAL NP-supplemented AH plus-BisBAL NPs was not cytotoxic for cultured human gingival fibroblasts. Their viability was 83.7% to 89.9% after a 24-h exposure to AH Plus containing 50 and 10 µM BisBAL NP, respectively. In conclusion, BisBAL NP-supplemented AH Plus constitutes an innovative nanomaterial to prevent re-infection in endodontic patients without cytotoxic effects.
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Affiliation(s)
| | - Rene Hernandez-Delgadillo
- Universidad Autónoma de Nuevo león, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México
| | - Jorge Jaime Flores-Treviño
- Universidad Autónoma de Nuevo león, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México
| | - Juan Manuel Solís-Soto
- Universidad Autónoma de Nuevo león, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México
| | - Nayely Pineda-Aguilar
- Centro de Investigaciones en Materiales Avanzados, CIMAV Unidad Monterrey, Nuevo León, México
| | | | - Rosa Isela Sánchez-Nájera
- Universidad Autónoma de Nuevo león, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México
| | | | - Claudio Cabral-Romero
- Universidad Autónoma de Nuevo león, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México
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24
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Wang Q, Zhang Y, Li Q, Chen L, Liu H, Ding M, Dong H, Mou Y. Therapeutic Applications of Antimicrobial Silver-Based Biomaterials in Dentistry. Int J Nanomedicine 2022; 17:443-462. [PMID: 35115777 PMCID: PMC8805846 DOI: 10.2147/ijn.s349238] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 01/13/2022] [Indexed: 12/16/2022] Open
Abstract
Microbial infection accounts for many dental diseases and treatment failure. Therefore, the antibacterial properties of dental biomaterials are of great importance to the long-term results of treatment. Silver-based biomaterials (AgBMs) have been widely researched as antimicrobial materials with high efficiency and relatively low toxicity. AgBMs have a broad spectrum of antimicrobial properties, including penetration of microbial cell membranes, damage to genetic material, contact killing, and dysfunction of bacterial proteins and enzymes. In particular, advances in nanotechnology have improved the application value of AgBMs. Hence, in many subspecialties of dentistry, AgBMs have been researched and employed, such as caries arresting or prevention, root canal sterilization, periodontal plaque inhibition, additives in dentures, coating of implants and anti-inflammatory material in oral and maxillofacial surgery. This paper aims to provide an overview of the application approaches of AgBMs in dentistry and present better guidance for oral antimicrobial therapy via the development of AgBMs.
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Affiliation(s)
- Qiyu Wang
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Yu Zhang
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Qiang Li
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Li Chen
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Hui Liu
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Meng Ding
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Heng Dong
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
| | - Yongbin Mou
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, People’s Republic of China
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25
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Xenaki V, Marthinussen MC, Costea DE, Breivik K, Lie SA, Cimpan MR, Åstrøm AN. Predicting intention of Norwegian dental health-care workers to use nanomaterials: An application of the augmented theory of planned behavior. Eur J Oral Sci 2021; 129:e12821. [PMID: 34729822 DOI: 10.1111/eos.12821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 07/11/2021] [Indexed: 12/11/2022]
Abstract
Due to the rapid development of nanotechnology and its integration into dentistry, there is a need for information on the factors influencing the decision of dental health-care workers to use nanomaterials. Based on a national survey among Norwegian dentists and dental hygienists, this study applied the theory of planned behavior (TPB), augmented with past behavior and perceived risk, to predict the intention to use dental nanomaterials in the future and to assess whether an augmented TPB model operates equivalently across professional groups. Structural equation modelling was used to assess whether the hypothesized model fits the data. Of 1792 eligible participants, 851 responded to an electronic survey. Attitudes and perceived behavioral control had the strongest effect on intention, followed by past behavior and subjective norms. Risk perceptions had an indirect effect on intention. Multigroup comparison confirmed invariance of the model across professional groups. This study supports the validity of the augmented TPB model to explain the intention of Norwegian dentists and dental hygienists to use nanomaterials. The strongest influence on intention is given by the attitudes toward nanomaterials and perceived confidence in their use. The findings of the study have implications for management of the use of nanomaterials in dentistry by policy makers.
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Affiliation(s)
- Victoria Xenaki
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Mihaela Cuida Marthinussen
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway.,Oral Health Centre of Expertise in Western Norway, Bergen, Norway
| | - Daniela Elena Costea
- Department of Clinical Medicine and Center for Cancer Biomarkers CCBio, Faculty of Medicine, University of Bergen, Bergen, Norway.,Department of Pathology, Haukeland University Hospital, Bergen, Norway
| | - Kyrre Breivik
- NORCE Norwegian Research Centre, Regional Centre for Child and Youth Mental Health and Child Welfare, Bergen, Norway
| | - Stein Atle Lie
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Mihaela Roxana Cimpan
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Anne Nordrehaug Åstrøm
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
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26
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Abd-Elhamid AI, El-Gendi H, Abdallah AE, El-Fakharany EM. Novel Nanocombinations of l-Tryptophan and l-Cysteine: Preparation, Characterization, and Their Applications for Antimicrobial and Anticancer Activities. Pharmaceutics 2021; 13:1595. [PMID: 34683888 PMCID: PMC8540933 DOI: 10.3390/pharmaceutics13101595] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/21/2021] [Accepted: 09/24/2021] [Indexed: 11/24/2022] Open
Abstract
Tungsten oxide WO3 nanoparticles (NPs) were prepared in a form of nanosheets with homogeneous size and dimensions in one step through acid precipitation using a cation exchange column. The resulting WO3 nanosheet surface was decorated with one of the two amino acids (AAs) l-tryptophan (Trp) or l-cysteine (Cys) and evaluated for their dye removal, antimicrobial, and antitumor activities. A noticeable improvement in the biological activity of WO3 NPs was detected upon amino acid modification compared to the original WO3. The prepared WO3-Trp and WO3-Cys exhibited strong dye removal activity toward methylene blue and safranin dyes with complete dye removal (100%) after 6 h. WO3-Cys and WO3-Trp NPs revealed higher broad-spectrum antibacterial activity toward both Gram-negative and Gram-positive bacteria, with strong antifungal activity toward Candida albicans. Anticancer results of the modified WO3-Cys and WO3-Trp NPs against various kinds of cancer cells, including MCF-7, Caco-2, and HepG-2 cells, indicate that they have a potent effect in a dose-dependent manner with high selectivity to cancer cells and safety against normal cells. The expression levels of E2F2 and Bcl-2 genes were found to be suppressed after treatment with both WO3-Cys and WO3-Trp NPs more than 5-FU-treated cells. While expression level of the p53 gene in all tested cells was up-regulated after treatment 5-8 folds more as compared to untreated cells. The docking results confirmed the ability of both NPs to bind to the p53 gene with relevant potency in binding to other tested gens and participation of cysteine SH-functional group in such interaction.
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Affiliation(s)
- Ahmed I. Abd-Elhamid
- Composites and Nanostructured Materials Research Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA City), New Borg El-Arab 21934, Egypt;
| | - Hamada El-Gendi
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA City), New Borg El-Arab 21934, Egypt
| | - Abdallah E. Abdallah
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt;
| | - Esmail M. El-Fakharany
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute GEBRI, City of Scientific Research and Technological Applications (SRTA City), New Borg El-Arab 21934, Egypt
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27
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Guerrero-Gironés J, López-García S, Pecci-Lloret MR, Pecci-Lloret MP, García-Bernal D. Influence of dual-cure and self-cure abutment cements for crown implants on human gingival fibroblasts biological properties. Ann Anat 2021; 239:151829. [PMID: 34500053 DOI: 10.1016/j.aanat.2021.151829] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 08/19/2021] [Accepted: 08/20/2021] [Indexed: 02/07/2023]
Abstract
AIMS To analyze the biological effects of the cements Relyx Unicem 2, Panavia V5, Multilink Hybrid Abutment and SoloCem on human gingival fibroblast cells (HGFs). MATERIALS AND METHODS HGFs were exposed to different eluates (n = 40) of the studied resin-based cements. Their cytotoxic effects and influence on cell migration were assessed using MTT and wound-healing assays, respectively. Level of HGF attachment, cell morphology and F-actin cytoskeleton content after exposition to the different eluates were analyzed by scanning electron microscopy (SEM) and confocal microscopy analysis, respectively. The levels of intracellular reactive oxygen species (ROS) produced by the eluates of the different cements were also determined by flow cytometry. Data were analyzed by one-way analysis of variance (ANOVA) followed by Tukey´s test. RESULTS Eluates of SoloCem significantly reduces the viability of HGFs (69% reduction compared to control at 48 h). Cell migration of HGFs in presence of undiluted SoloCem eluates was significantly lower than in the control (88% open wound area at 24 h). Contrarily, migration speed with Multilynk eluates was similar to that of the control group at all periods of time and all dilutions studied. SEM analysis showed very few cells in SoloCem group, and a moderate cell growth in Multilink, Panavia and Relyx groups were detected. Finally, ROS levels detected in HGFs treated with the more concentrated SoloCem and Relyx dilutions were significantly enhanced compared with that in the control cells or the other groups (44% and 11% ROS positive cells, respectively). CONCLUSIONS The results obtained in the present work suggest that Multilink hybrid abutment has better biological properties and lower cytotoxicity for cementing implant crowns on abutments.
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Affiliation(s)
- Julia Guerrero-Gironés
- Department of Stomatology, Faculty of Medicine, University of Murcia, 30008 Murcia, Spain
| | - Sergio López-García
- Hematopoietic Transplant and Cellular Therapy Unit, Instituto Murciano de Investigación Biosanitaria Virgen de la Arrixaca, 30120 Murcia, Spain
| | - Miguel R Pecci-Lloret
- Department of Stomatology, Faculty of Medicine, University of Murcia, 30008 Murcia, Spain
| | - María P Pecci-Lloret
- Department of Stomatology, Faculty of Medicine, University of Murcia, 30008 Murcia, Spain.
| | - David García-Bernal
- Hematopoietic Transplant and Cellular Therapy Unit, Instituto Murciano de Investigación Biosanitaria Virgen de la Arrixaca, 30120 Murcia, Spain
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28
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Silvestre ALP, Di Filippo LD, Besegato JF, de Annunzio SR, Almeida Furquim de Camargo B, de Melo PBG, Rastelli ANDS, Fontana CR, Chorilli M. Current applications of drug delivery nanosystems associated with antimicrobial photodynamic therapy for oral infections. Int J Pharm 2021; 592:120078. [DOI: 10.1016/j.ijpharm.2020.120078] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 10/26/2020] [Accepted: 11/08/2020] [Indexed: 12/26/2022]
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29
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Ahrari F, Eslami N, Fasihi F, Jamalinasab A. Biocompatibility of several colloidal solutions containing nanoparticles on human gingival fibroblasts. Dent Res J (Isfahan) 2021. [DOI: 10.4103/1735-3327.310037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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30
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Gomes IB, Simões M, Simões LC. Copper Surfaces in Biofilm Control. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2491. [PMID: 33322518 PMCID: PMC7764739 DOI: 10.3390/nano10122491] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/06/2020] [Accepted: 12/08/2020] [Indexed: 12/21/2022]
Abstract
Biofilms are structures comprising microorganisms associated to surfaces and enclosed by an extracellular polymeric matrix produced by the colonizer cells. These structures protect microorganisms from adverse environmental conditions. Biofilms are typically associated with several negative impacts for health and industries and no effective strategy for their complete control/eradication has been identified so far. The antimicrobial properties of copper are well recognized among the scientific community, which increased their interest for the use of these materials in different applications. In this review the use of different copper materials (copper, copper alloys, nanoparticles and copper-based coatings) in medical settings, industrial equipment and plumbing systems will be discussed considering their potential to prevent and control biofilm formation. Particular attention is given to the mode of action of copper materials. The putative impact of copper materials in the health and/or products quality is reviewed taking into account their main use and the possible effects on the spread of antimicrobial resistance.
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Affiliation(s)
- Inês B. Gomes
- LEPABE, Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal;
| | - Manuel Simões
- LEPABE, Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal;
| | - Lúcia C. Simões
- CEB-Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal;
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31
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Cheng X, Guo H, Xian Y, Xie X. Changes of lipid profiles in human umbilical vein endothelial cells exposed to zirconia nanoparticles with or without the presence of free fatty acids. J Appl Toxicol 2020; 41:765-774. [PMID: 33222186 DOI: 10.1002/jat.4114] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/02/2020] [Accepted: 11/03/2020] [Indexed: 01/04/2023]
Affiliation(s)
- Xiangjun Cheng
- Department of Orthopaedics The Second Affiliated Hospital of Chongqing Medical University Chongqing People's Republic of China
| | - Hao Guo
- Testing Department Chongqing Institute of Forensic Science Chongqing People's Republic of China
| | - Youqi Xian
- Application Department Thermo Fisher Scientific Chengdu People's Republic of China
| | - Xiaowei Xie
- Department of Orthopaedics The Second Affiliated Hospital of Chongqing Medical University Chongqing People's Republic of China
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32
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Bai R, Peng L, Sun Q, Zhang Y, Zhang L, Wei Y, Han B. Metallic Antibacterial Surface Treatments of Dental and Orthopedic Materials. MATERIALS 2020; 13:ma13204594. [PMID: 33076495 PMCID: PMC7658793 DOI: 10.3390/ma13204594] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/05/2020] [Accepted: 10/13/2020] [Indexed: 12/12/2022]
Abstract
The oral cavity harbors complex microbial communities, which leads to biomaterial-associated infections (BAI) during dental and orthopedic treatments. Conventional antibiotic treatments have met great challenges recently due to the increasing emergency of drug-resistant bacteria. To tackle this clinical issue, antibacterial surface treatments, containing surface modification and coatings, of dental and orthopedic materials have become an area of intensive interest now. Among various antibacterial agents used in surface treatments, metallic agents possess unique properties, mainly including broad-spectrum antibacterial properties, low potential to develop bacterial resistance, relative biocompatibility, and chemical stability. Therefore, this review mainly focuses on underlying antibacterial applications and the mechanisms of metallic agents in dentistry and orthopedics. An overview of the present review indicates that much work remains to be done to deepen the understanding of antibacterial mechanisms and potential side-effects of metallic agents.
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Affiliation(s)
- Rushui Bai
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
| | - Liying Peng
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
| | - Qiannan Sun
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
| | - Yunfan Zhang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
| | - Lingyun Zhang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
| | - Yan Wei
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China
- Correspondence: (Y.W.); (B.H.); Tel.: +86-010-82195584 (Y.W.); +86-010-82195381 (B.H.)
| | - Bing Han
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
- Correspondence: (Y.W.); (B.H.); Tel.: +86-010-82195584 (Y.W.); +86-010-82195381 (B.H.)
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