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Allkja J, Roudbary M, Alves AMV, Černáková L, Rodrigues CF. Biomaterials with antifungal strategies to fight oral infections. Crit Rev Biotechnol 2024; 44:1151-1163. [PMID: 37587010 DOI: 10.1080/07388551.2023.2236784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 06/14/2023] [Accepted: 06/20/2023] [Indexed: 08/18/2023]
Abstract
Oral fungal infections pose a threat to human health and increase the economic burden of oral diseases by prolonging and complicating treatment. A cost-effective strategy is to try to prevent these infections from happening in the first place. With this purpose, biomaterials with antifungal properties are a crucial element to overcome fungal infections in the oral cavity. In this review, we go through different kinds of biomaterials and coatings that can be used to functionalize them. We also review their potential as a therapeutic approach in addition to prophylaxis, by going through traditional and alternative antifungal compounds, e.g., essential oils, that could be incorporated in them, to enhance their efficacy against fungal pathogens. We aim to highlight the potential of these technologies and propose questions that need to be addressed in prospective research. Finally, we intend to concatenate the key aspects and technologies on the use of biomaterials in oral health, to create an easy to find summary of the current state-of-the-art for researchers in the field.
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Affiliation(s)
- Jontana Allkja
- Faculty of Engineering, LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, University of Porto, Porto, Portugal
- Faculty of Engineering, ALiCE - Associate Laboratory in Chemical Engineering, University of Porto, Porto, Portugal
- School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, Oral Sciences Research Group, Glasgow Dental School, University of Glasgow, Glasgow, UK
| | - Maryam Roudbary
- Sydney Infectious Disease Institute, University of Sydney, Sydney, Australia
- Department of Parasitology and Mycology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Anelise Maria Vasconcelos Alves
- Faculty of Engineering, LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, University of Porto, Porto, Portugal
- Faculty of Engineering, ALiCE - Associate Laboratory in Chemical Engineering, University of Porto, Porto, Portugal
- Institute of Health Sciences, University of International Integration of Afro-Brazilian Lusophony, Redenção, Brazil
| | - Lucia Černáková
- Department of Microbiology and Virology, Faculty of Natural Sciences, Comenius University Bratislava, Bratislava, Slovakia
| | - Célia Fortuna Rodrigues
- Faculty of Engineering, LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, University of Porto, Porto, Portugal
- Faculty of Engineering, ALiCE - Associate Laboratory in Chemical Engineering, University of Porto, Porto, Portugal
- 1H-TOXRUN - One Health Toxicology Research Unit, Cooperativa de Ensino Superior Politécnico e Universitário - CESPU, Gandra PRD, Portugal
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Turanoglu OF, Talay Cevlik E, Vural C. Investigation of adhesion status of Candida species to the surface of resin materials produced at different angles with additive manufacturing. BMC Oral Health 2024; 24:738. [PMID: 38937749 PMCID: PMC11209985 DOI: 10.1186/s12903-024-04505-1] [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: 03/26/2024] [Accepted: 06/19/2024] [Indexed: 06/29/2024] Open
Abstract
BACKGROUND The aim of this study was to evaluate the adhesion of Candida glabrata, Candida albicans, Candida krusei, Candida parapsilosis and Candida tropicalis yeasts to disk-shaped resin materials produced from resin which used in the production of surgical guide with 0, 45 and 90-degrees printing orientations by Liquid Crystal Display additive manufacturing technology. METHODS Disk-shaped specimens were printed with surgical guide resin using the Liquid Crystal Display production technique in 3 printing orientations (0, 45 and 90-degrees). Surface roughness and contact angle values were evaluated. Real-Time PCR analysis was performed to evaluate Candida adhesion (C. glabrata, C. albicans, C. krusei, C. parapsilosis and C. tropicalis) Field emission scanning electron microscope (FESEM) images of the materials were obtained. RESULTS Specimens oriented at 45-degrees demonstrated higher surface roughness (P < .05) and lower contact angle values than other groups. No significant difference was found in the adhesion of C. glabrata, C. albicans, and C. parapsilosis among specimens printed at 0, 45, and 90-degrees orientations (P > .05). A higher proportion of C. krusei and C. tropicalis was found in the specimens printed at orientation degrees of 45 = 90 < 0 with statistical significance. Analyzing the adhesion of all Candida species reveals no statistical disparity among the printing orientations. CONCLUSIONS The surface roughness, contact angle, and adhesion of certain Candida species are affected by printing orientations. Hence, careful consideration of the printing orientation is crucial for fabricating products with desirable properties. In 45-degree production, roughness increases due to the layered production forming steps, whereas in 0-degree production, certain Candida species exhibit high adhesion due to the formation of porous structures. Consequently, considering these factors, it is advisable to opt for production at 90-degrees, while also considering other anticipated characteristics.
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Affiliation(s)
- Omer F Turanoglu
- Department of Prosthodontics, Faculty of Dentistry, Aydın Adnan Menderes University, Aydın, Efeler, 09100, Turkey
| | - Esra Talay Cevlik
- Department of Prosthodontics, Faculty of Dentistry, Aydın Adnan Menderes University, Aydın, Efeler, 09100, Turkey.
| | - Caner Vural
- Department of Biology, Molecular Biology Section, Faculty of Science, Pamukkale University, Denizli, Pamukkale, 20160, Turkey
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Celik HK, Koc S, Kustarci A, Caglayan N, Rennie AE. The state of additive manufacturing in dental research - A systematic scoping review of 2012-2022. Heliyon 2023; 9:e17462. [PMID: 37484349 PMCID: PMC10361388 DOI: 10.1016/j.heliyon.2023.e17462] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 06/08/2023] [Accepted: 06/19/2023] [Indexed: 07/25/2023] Open
Abstract
Background/purpose Additive manufacturing (AM), also known as 3D printing, has the potential to transform the industry. While there have been advancements in using AM for dental restorations, there is still a need for further research to develop functional biomedical and dental materials. It's crucial to understand the current status of AM technology and research trends to advance dental research in this field. The aim of this study is to reveal the current status of international scientific publications in the field of dental research related to AM technologies. Materials and methods In this study, a systematic scoping review was conducted using appropriate keywords within the scope of international scientific publishing databases (PubMed and Web of Science). The review included related clinical and laboratory research, including both human and animal studies, case reports, review articles, and questionnaire studies. A total of 187 research studies were evaluated for quantitative synthesis in this review. Results The findings highlighted a rising trend in research numbers over the years (From 2012 to 2022). The most publications were produced in 2020 and 2021, with annual percentage increases of 25.7% and 26.2%, respectively. The majority of AM-related publications in dentistry research originate from Korea. The pioneer dental sub-fields with the ost publications in its category are prosthodontics and implantology, respectively. Conclusion The final review result clearly stated an expectation for the future that the research in dentistry would concentrate on AM technologies in order to increase the new product and process development in dental materials, tools, implants and new generation modelling strategy related to AM. The results of this work can be used as indicators of trends related to AM research in dentistry and/or as prospects for future publication expectations in this field.
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Affiliation(s)
- H. Kursat Celik
- Dept. of Agr. Machinery and Technology Engineering, Akdeniz University, Antalya, 07070, Turkey
| | - Simay Koc
- Dept. of Endodontics, Fac. of Dentistry, Akdeniz University, Antalya, Turkey
| | - Alper Kustarci
- Dept. of Endodontics, Fac. of Dentistry, Akdeniz University, Antalya, Turkey
| | - Nuri Caglayan
- Dept. of Mechatronics, Fac. of Engineering, Akdeniz University, Antalya, Turkey
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Alonso VPP, Lemos JG, Nascimento MDSD. Yeast biofilms on abiotic surfaces: Adhesion factors and control methods. Int J Food Microbiol 2023; 400:110265. [PMID: 37267839 DOI: 10.1016/j.ijfoodmicro.2023.110265] [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: 03/06/2023] [Revised: 05/21/2023] [Accepted: 05/23/2023] [Indexed: 06/04/2023]
Abstract
Biofilms are highly resistant to antimicrobials and are a common problem in many industries, including pharmaceutical, food and beverage. Yeast biofilms can be formed by various yeast species, including Candida albicans, Saccharomyces cerevisiae, and Cryptococcus neoformans. Yeast biofilm formation is a complex process that involves several stages, including reversible adhesion, followed by irreversible adhesion, colonization, exopolysaccharide matrix formation, maturation and dispersion. Intercellular communication in yeast biofilms (quorum-sensing mechanism), environmental factors (pH, temperature, composition of the culture medium), and physicochemical factors (hydrophobicity, Lifshitz-van der Waals and Lewis acid-base properties, and electrostatic interactions) are essential to the adhesion process. Studies on the adhesion of yeast to abiotic surfaces such as stainless steel, wood, plastic polymers, and glass are still scarce, representing a gap in the field. The biofilm control formation can be a challenging task for food industry. However, some strategies can help to reduce biofilm formation, such as good hygiene practices, including regular cleaning and disinfection of surfaces. The use of antimicrobials and alternative methods to remove the yeast biofilms may also be helpful to ensure food safety. Furthermore, physical control measures such as biosensors and advanced identification techniques are promising for yeast biofilms control. However, there is a gap in understanding why some yeast strains are more tolerant or resistant to sanitization methods. A better understanding of tolerance and resistance mechanisms can help researchers and industry professionals to develop more effective and targeted sanitization strategies to prevent bacterial contamination and ensure product quality. This review aimed to identify the most important information about yeast biofilms in the food industry, followed by the removal of these biofilms by antimicrobial agents. In addition, the review summarizes the alternative sanitizing methods and future perspectives for controlling yeast biofilm formation by biosensors.
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Affiliation(s)
| | - Jéssica Gonçalves Lemos
- Department of Food Engineering and Technology, School of Food Engineering, University of Campinas, Rua Monteiro Lobato n° 80, Campinas, São Paulo 13083-862, Brazil
| | - Maristela da Silva do Nascimento
- Department of Food Engineering and Technology, School of Food Engineering, University of Campinas, Rua Monteiro Lobato n° 80, Campinas, São Paulo 13083-862, Brazil.
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Yacob N, Ahmad NA, Safii SH, Yunus N, Abdul Razak F. Is microbial adhesion affected by the build orientation of a 3-dimensionally printed denture base resin? J Prosthet Dent 2023:S0022-3913(23)00268-8. [PMID: 37210224 DOI: 10.1016/j.prosdent.2023.04.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 04/14/2023] [Accepted: 04/19/2023] [Indexed: 05/22/2023]
Abstract
STATEMENT OF PROBLEM How the build orientation of a 3-dimensionally (3D) printed denture affects microbial adhesion is unclear. PURPOSE The purpose of this in vitro study was to compare the adherence of Streptococcus spp. and Candida spp. on 3D-printed denture bases prepared at different build orientations with conventional heat-polymerized resin. MATERIAL AND METHODS Resin specimens (n=5) with standardized 28.3 mm2 surface area were 3D printed at 0 and 60 degrees, and heat-polymerized (3DP-0, 3DP-60, and HP, respectively). The specimens were placed in a Nordini artificial mouth (NAM) model and exposed to 2 mL of clarified whole saliva to create a pellicle-coated substratum. Suspensions of Streptococcus mitis and Streptococcus sanguinis, Candida albicans and Candida glabrata, and a mixed species, each at 108 cfu/mL were pumped separately into the model for 24 hours to promote microbial adhesion. The resin specimens were then removed, placed in fresh media, and sonicated to dislodge attached microbes. Each suspension (100 μL) was aliquoted and spread on agar plates for colony counting. The resin specimens were also examined under a scanning electron microscope. The interaction between types of specimen and groups of microbes was examined with 2-way ANOVA and then further analysis with Tukey honest significant test and Kruskal-Wallis post hoc tests (α=.05). RESULTS A significant interaction was observed between the 3DP-0, 3DP-60, and HP specimen types and the groups of microbes adhering to the corresponding denture resin specimens (P<.05). The difference was statistically significant among 3DP-0, 3DP-60, and HP specimens (P<.05). The adherence of candida was 3.98-times lower on the 3DP-0 than that of HP (P<.05). However, adherence of the mixed-species microbes and streptococci on the 3DP-60 were 1.75 times and 2-fold higher, respectively (P<.05). The scanning electron micrographs showed that 3DP-0 exhibited the lowest microbial adherence compared with HP and 3DP-60. CONCLUSIONS Adherence affinity of denture base resin is affected by the build orientation rather than by the group of different microbes. Three-dimensionally printed denture base resin fabricated at a 0-degree build orientation exhibited low affinity for microbial adhesion. Three-dimensionally printed dentures may reduce microbial adhesion when printed at a 0-degree build orientation.
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Affiliation(s)
- Norlela Yacob
- Graduate student, Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia; Lecturer, Department of Conservative Dentistry & Prosthodontics, Faculty of Dentistry, Universiti Sains Islam Malaysia, Negeri Sembilan, Malaysia
| | - Norasmatul Akma Ahmad
- Associate Professor, Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.
| | - Syarida Hasnur Safii
- Associate Professor, Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Norsiah Yunus
- Professor, Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Fathilah Abdul Razak
- Professor, Department of Oral and Craniofacial Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
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Post-processing of DLP-printed denture base polymer: Impact of a protective coating on the surface characteristics, flexural properties, cytotoxicity, and microbial adhesion. Dent Mater 2022; 38:2062-2072. [DOI: 10.1016/j.dental.2022.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/26/2022] [Accepted: 11/11/2022] [Indexed: 11/27/2022]
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Beatriz Vilela Teixeira A, Greghi de Carvalho G, Cândido dos Reis A. Incorporation of antimicrobial agents into dental materials obtained by additive manufacturing: A literature review. Saudi Dent J 2022; 34:411-420. [PMID: 36092519 PMCID: PMC9453510 DOI: 10.1016/j.sdentj.2022.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 05/25/2022] [Accepted: 05/29/2022] [Indexed: 10/31/2022] Open
Abstract
Background Methods Results Conclusion
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Prosthetic Materials Used for Implant-Supported Restorations and Their Biochemical Oral Interactions: A Narrative Review. MATERIALS 2022; 15:ma15031016. [PMID: 35160962 PMCID: PMC8839238 DOI: 10.3390/ma15031016] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 12/11/2022]
Abstract
The purpose of this study is to outline relevant elements regarding the biochemical interactions between prosthetic materials used for obtaining implant-supported restorations and the oral environment. Implant-supported prostheses have seen unprecedented development in recent years, benefiting from the emergence of both new prosthetic materials (with increased biocompatibility and very good mechanical behavior), and computerized manufacturing technologies, which offer predictability, accuracy, and reproducibility. On the other hand, the quality of conventional materials for obtaining implant-supported prostheses is acknowledged, as they have already proven their clinical performance. The properties of PMMA (poly (methyl methacrylate))-which is a representative interim material frequently used in prosthodontics-and of PEEK (polyether ether ketone)-a biomaterial which is placed on the border between interim and final prosthetic use-are highlighted in order to illustrate the complex way these materials interact with the oral environment. In regard to definitive prosthetic materials used for obtaining implant-supported prostheses, emphasis is placed on zirconia-based ceramics. Zirconia exhibits several distinctive advantages (excellent aesthetics, good mechanical behavior, biocompatibility), through which its clinical applicability has become increasingly wide. Zirconia's interaction with the oral environment (fibroblasts, osteoblasts, dental pulp cells, macrophages) is presented in a relevant synthesis, thus revealing its good biocompatibility.
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