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Mubaraki H, Ingle NA, Baseer MA, AlMugeiren OM, Mubaraki S, Cicciù M, Minervini G. Effect of Silver Diamine Fluoride on Bacterial Biofilms-A Review including In Vitro and In Vivo Studies. Biomedicines 2023; 11:1641. [PMID: 37371736 DOI: 10.3390/biomedicines11061641] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/29/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Caries/carious lesions are a growing concern among the general population across the world, and different strategies are evolving to combat the bacterial invasion that resultantly leads to caries. In this systematic review, we are looking to analyse the role of silver diamine fluoride (SDF) on the growth of bacterial biofilms. The search strategy for the studies to be selected for the review was initiated by a search across multiple databases, which ultimately yielded 15 studies that were in accordance with our objectives. The reviewed articles indicate a very clear correlation between the usage of SDF and the decrease in bacterial biofilms, which are limited not just to one or two but multiple bacterial species. As shown by the events favoring SDF's odds ratio of 3.59 (with a 95% confidence interval of 2.13 to 6.05), a risk ratio of 1.63 (1.32 to 2.00), and a risk difference of 0.28 (0.16 to 0.40), there was strong evidence that SDF is a successful treatment for reducing bacterial biofilms in dental practice. This study offers substantial proof that SDF works well to reduce bacterial biofilms in dentistry practices. We advise further investigation to examine the potential of SDF as a standard therapy choice for dental caries and related conditions given the obvious relationship between the use of SDF and the reduction in bacterial biofilms.
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Affiliation(s)
- Hind Mubaraki
- Preventive Dentistry Department, College of Dentistry, Riyadh Elm University, Riyadh 13244, Saudi Arabia
| | - Navin Anand Ingle
- Preventive Dentistry Department, College of Dentistry, Riyadh Elm University, Riyadh 13244, Saudi Arabia
| | - Mohammad Abdul Baseer
- Preventive Dentistry Department, College of Dentistry, Riyadh Elm University, Riyadh 13244, Saudi Arabia
| | - Osamah M AlMugeiren
- Preventive Dentistry Department, College of Dentistry, Riyadh Elm University, Riyadh 13244, Saudi Arabia
| | - Sarah Mubaraki
- Preventive Dentistry Department, College of Dentistry, Riyadh Elm University, Riyadh 13244, Saudi Arabia
| | - Marco Cicciù
- Department of Biomedical and Surgical and Biomedical Sciences, Catania University, 95123 Catania, Italy
| | - Giuseppe Minervini
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, University of Campania, 80138 Naples, Italy
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Antimicrobial Efficacy of Silver Diamine Fluoride against Enterococcus faecalis: A Systematic Review of In Vitro Studies. BIOMED RESEARCH INTERNATIONAL 2022; 2022:6544292. [PMID: 36567909 PMCID: PMC9788898 DOI: 10.1155/2022/6544292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 09/20/2022] [Accepted: 10/11/2022] [Indexed: 12/23/2022]
Abstract
Introduction/Objectives. Enterococcus faecalis has been implicated in infections of treated root canals. Current irrigants and intracanal medicaments cannot eliminate E. faecalis completely from the root canal. Silver diamine fluoride (SDF) prevents caries by promoting remineralization and exerting an antibacterial effect. Studies suggest that SDF may possess antibacterial properties against E. faecalis. The purpose of this review is to systematically and critically analyze the literature, focusing on the use of SDF as an intracanal medicament or irrigant, when compared to other antibacterial agents. Data/Sources. The focused question was "Is the antibacterial effect of SDF against E. faecalis better than other intracanal medicaments and irrigants?" Using the keywords ((silver diamine fluoride) AND (Enterococcus faecalis)) AND ((sodium hypochlorite) OR (NaOCl) OR (chlorhexidine) OR (calcium hydroxide) OR (Ca(OH)2)), an electronic search was conducted on the following databases: PubMed/MEDLINE, ISI Web of Science, Scopus, EMBASE, and Google Scholar. The clinical trial registers ClinicalTrials.gov and CONTROL were also searched using the same keywords. General characteristics and outcomes were extracted, and quality of the studies was assessed using the Preferred Reporting Items for Laboratory studies in Endodontology (PRILE) guidelines. Study Selection. Six articles (five in vitro studies and one ex vivo study) were included in this systematic review. In the majority of the studies, SDF had equal or better antibacterial efficacy against E. faecalis compared to calcium hydroxide, sodium hypochlorite, and chlorhexidine. However, the majority of the studies did not fulfill several items in the PRILE criteria and had numerous sources of bias. Conclusions. Within the limitations of the systematic review and the studies reviewed, SDF may be effective against E. faecalis and therefore could be used as an intracanal medicament and/or irrigant to prevent reinfections of the root canals and improve the outcomes of endodontic treatment. However, animal and clinical studies should be carried out to determine the efficacy of SDF in endodontics. Trial Registration. The protocol for this review was registered on PROSPERO. Registration number: CRD42021224741.
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Zheng FM, Yan IG, Duangthip D, Gao SS, Lo ECM, Chu CH. Silver diamine fluoride therapy for dental care. JAPANESE DENTAL SCIENCE REVIEW 2022; 58:249-257. [PMID: 36097560 PMCID: PMC9463534 DOI: 10.1016/j.jdsr.2022.08.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 08/05/2022] [Accepted: 08/21/2022] [Indexed: 11/29/2022] Open
Abstract
Silver diamine fluoride (SDF) was developed in Japan in the 1960s. It is used to control early childhood caries, arrest root caries, prevent fissure caries and secondary caries, desensitise hypersensitive teeth, remineralise hypomineralised teeth, prevent dental erosion, detect carious tissue during excavation and manage infected root canals. SDF is commonly available as a 38% solution containing 255,000 ppm silver and 44,800 ppm fluoride ions. Silver is an antimicrobial and inhibits cariogenic biofilm. Fluoride promotes remineralisation and inhibits the demineralisation of teeth. SDF also inactivates proteolytic peptidases and inhibits dentine collagen degradation. It arrests caries without affecting dental pulp or causing dental fluorosis. Indirect pulp capping with SDF causes no or mild inflammatory pulpal response. However, direct application of SDF to dental pulp causes pulp necrosis. Furthermore, SDF stains carious lesions black. Patients must be well informed before SDF treatment. SDF therapy is simple, painless, non-invasive, inexpensive, and requires a simple armamentarium and minimal support. Both clinicians and patients generally accept it well. In 2021, the World Health Organization included SDF as an essential medicine that is effective and safe for patients. Moreover, it can be used for caries control during the COVID-19 pandemic because it is non-aerosol-generating and has a low risk of cross-infection.
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Affiliation(s)
| | - Iliana Gehui Yan
- Faculty of Dentistry, The University of Hong Kong, 999077, Hong Kong, China
| | | | - Sherry Shiqian Gao
- Faculty of Dentistry, The University of Hong Kong, 999077, Hong Kong, China.,Department of Stomatology, School of Medicine, Xiamen University, Xiamen 361000, China
| | - Edward Chin Man Lo
- Faculty of Dentistry, The University of Hong Kong, 999077, Hong Kong, China
| | - Chun Hung Chu
- Faculty of Dentistry, The University of Hong Kong, 999077, Hong Kong, China
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Chen H, Wang W, Yu S, Wang H, Tian Z, Zhu S. Procyanidins and Their Therapeutic Potential against Oral Diseases. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092932. [PMID: 35566283 PMCID: PMC9104295 DOI: 10.3390/molecules27092932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/27/2022] [Accepted: 05/02/2022] [Indexed: 12/24/2022]
Abstract
Procyanidins, as a kind of dietary flavonoid, have excellent pharmacological properties, such as antioxidant, antibacterial, anti-inflammatory and anti-tumor properties, and so they can be used to treat various diseases, including Alzheimer’s disease, diabetes, rheumatoid arthritis, tumors, and obesity. Given the low bioavailability of procyanidins, great efforts have been made in drug delivery systems to address their limited use. Nowadays, the heavy burden of oral diseases such as dental caries, periodontitis, endodontic infections, etc., and their consequences on the patients’ quality of life indicate a strong need for developing effective therapies. Recent years, plenty of efforts are being made to develop more effective treatments. Therefore, this review summarized the latest researches on versatile effects and enhanced bioavailability of procyanidins resulting from innovative drug delivery systems, particularly focused on its potential against oral diseases.
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Affiliation(s)
- Huan Chen
- Department of Prosthodontics, School and Hospital of Stomatology, Jilin University, Changchun 130012, China; (H.C.); (S.Y.); (H.W.); (Z.T.)
| | - Wanyu Wang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China;
| | - Shiyang Yu
- Department of Prosthodontics, School and Hospital of Stomatology, Jilin University, Changchun 130012, China; (H.C.); (S.Y.); (H.W.); (Z.T.)
| | - Huimin Wang
- Department of Prosthodontics, School and Hospital of Stomatology, Jilin University, Changchun 130012, China; (H.C.); (S.Y.); (H.W.); (Z.T.)
| | - Zilu Tian
- Department of Prosthodontics, School and Hospital of Stomatology, Jilin University, Changchun 130012, China; (H.C.); (S.Y.); (H.W.); (Z.T.)
| | - Song Zhu
- Department of Prosthodontics, School and Hospital of Stomatology, Jilin University, Changchun 130012, China; (H.C.); (S.Y.); (H.W.); (Z.T.)
- Correspondence: ; Tel.: +86-135-7878-5725
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Weber MT, Alkhafaji Y, Pioch A, Trips E, Basche S, Dannemann M, Kilistoff A, Hannig C, Sterzenbach T. Quantification of Bacterial DNA from Infected Human Root Canals Using qPCR and DAPI after Disinfection with Established and Novel Irrigation Protocols. MATERIALS 2022; 15:ma15051911. [PMID: 35269141 PMCID: PMC8912041 DOI: 10.3390/ma15051911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/23/2022] [Accepted: 02/25/2022] [Indexed: 02/05/2023]
Abstract
The removal of bacterial infections within the root canal system is still a challenge. Therefore, the cleansing effect of established and new irrigation-protocols (IP) containing silver diamine fluoride (SDF) 3.8% on the whole root canal system was analyzed using quantitative PCR (qPCR) and 4′,6-diamidino-phenylindole-(DAPI)-staining. Extracted human premolars were instrumented up to F2 (ProTaper Gold) under NaCl 0.9% irrigation and incubated with Enterococcus faecalis for 42 days. Subsequently, different ultrasonically agitated IP were applied to the roots: control (no irrigation), 1. NaOCl 3%, EDTA 20%, CHX 2%, 2. NaOCl 3%, EDTA 20%, 3. NaOCl 3%, EDTA 20%, SDF 3.8%, 4. SDF 3.8%, and 5. NaCl 0.9%. One half of the root was investigated fluorescent-microscopically with DAPI. The other half was grinded in a cryogenic mill and the bacterial DNA was quantified with qPCR. The qPCR results showed a statistically significant reduction of bacteria after the application of IP 1, 2, and 3 compared to the control group. While IP 4 lead to a bacterial reduction which was not significant, IP 5 showed no reduction. These data corresponded with DAPI staining. With qPCR a new molecular-biological method for the investigation of the complete root canal system was implemented. The novel IP 3 had an equally good cleansing effect as the already established IP.
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Affiliation(s)
- Marie-Theres Weber
- Clinic of Operative and Pediatric Dentistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany; (Y.A.); (A.P.); (S.B.); (C.H.); (T.S.)
- Correspondence: ; Tel.: +49-351-458-7456
| | - Yousef Alkhafaji
- Clinic of Operative and Pediatric Dentistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany; (Y.A.); (A.P.); (S.B.); (C.H.); (T.S.)
| | - Anne Pioch
- Clinic of Operative and Pediatric Dentistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany; (Y.A.); (A.P.); (S.B.); (C.H.); (T.S.)
| | - Evelyn Trips
- Coordination Center for Clinical Studies Dresden, Medical Faculty Carl Gustav Carus, Technical University Dresden, Fetscherstraße 74, 01309 Dresden, Germany;
| | - Sabine Basche
- Clinic of Operative and Pediatric Dentistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany; (Y.A.); (A.P.); (S.B.); (C.H.); (T.S.)
| | - Martin Dannemann
- Faculty of Automotive Engineering, Institute of Energy and Transport Engineering, Westsächsische Hochschule Zwickau, Scheffelstraße 39, 08012 Zwickau, Germany;
| | - Alan Kilistoff
- Faculty of Medicine & Dentistry, University of Alberta, 11405 87th Ave NW, Edmonton, AB T6G 1C9, Canada;
| | - Christian Hannig
- Clinic of Operative and Pediatric Dentistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany; (Y.A.); (A.P.); (S.B.); (C.H.); (T.S.)
| | - Torsten Sterzenbach
- Clinic of Operative and Pediatric Dentistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany; (Y.A.); (A.P.); (S.B.); (C.H.); (T.S.)
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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: 5] [Impact Index Per Article: 2.5] [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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Evidence-Based Bibliometric Analysis of Research on Silver Diamine Fluoride Use in Dentistry. BIOMED RESEARCH INTERNATIONAL 2021; 2021:9917408. [PMID: 34631889 PMCID: PMC8494565 DOI: 10.1155/2021/9917408] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 08/02/2021] [Accepted: 09/02/2021] [Indexed: 01/25/2023]
Abstract
Background This bibliometric analysis is aimed at reviewing the research pattern on the use of silver diamine fluoride (SDF) in dentistry using various citation metrics. Methods A well-curated search was conducted on Elsevier's Scopus database for the relevant literature on SDF published between 1969 and 2021. Bibliographic information such as information related to citations, bibliographic data, abstracts, keywords, and other relevant information was extracted using different combinations of keywords (“silver diamine fluoride” OR “Silver Diamine Fluorides” OR “Diamine Fluoride” OR “Silver Fluoride”). Analysis and visualization of the selected documents and related data were performed using various tools and software including MS Excel, MS Access, Bibexcel, VOS viewer, Biblioshiny, and Gephi. VOS Viewer was utilized for the Graph Modeling Language (GML) to generate graphical representations of the data. Furthermore, network graphs were generated to assess the various associations between research themes, countries, organizations, authors, journals, and citations. Results The initial search yielded 662 documents, of which 410 were chosen for analysis. 252 records were deemed irrelevant. The chosen records consisted of journal articles (n = 351), conference papers (n = 14), book chapters (n = 1), and review articles (n = 44). The results showed that there was an upward trend in the research on SDF, and a substantial increase was observed in the citation index after 2014. Researchers from the United States of America, Hong Kong, and Japan were the top contributors, with organizations and authors from the Faculty of Dentistry, University of Hong Kong, leading the way in citations and productivity. Conclusion The bibliometric analysis provides valuable information regarding the total number of publications on SDF and their citation details. It also identifies the leading countries and organizations involved in the research on SDF and provides a comprehensive analysis of the research trends related to SDF.
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Takahashi M, Matin K, Matsui N, Shimizu M, Tsuda Y, Uchinuma S, Hiraishi N, Nikaido T, Tagami J. Effects of silver diamine fluoride preparations on biofilm formation of Streptococcus mutans. Dent Mater J 2021; 40:911-917. [PMID: 33731542 DOI: 10.4012/dmj.2020-341] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Effects of silver diamine fluoride preparations (SDFs) on cariogenic biofilm formation on root dentin (RD) were investigated. Streptococcus mutans (S. mutans) biofilms were formed on bovine RD blocks coated with one of three the SDFs (38%-SDF, 3.8%-SDF and 35%-SDF+potassium-iodide; SDF+KI) and a non-coated Control which were quantified (spectrometric-measurement) and thickness measured (optical coherence tomography) after 20 h. Bacterial viability test (BacLight) and biofilm-morphometry (SEM) of 2 h biofilms were also performed. The amounts of biofilms (bacteria and water insoluble glucan) and the thickness of biofilm were minimum on 38%-SDF specimen; 3.8%-SDF and SDF+KI had significantly more than that, but had significantly less than Control (p<0.05). Most S. mutans cells found dead and morphology damaged by 38%-SDF. Some dead bacteria and remarkably damaged biofilms were observed in case of 3.8%-SDF and SDF+KI. Inhibition potential of 3.8%-SDF and SDF+KI on S. mutans biofilm formation is almost similar, although not equivalent to 38%-SDF.
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Affiliation(s)
- Motoi Takahashi
- Department of Cariology and Operative Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
| | - Khairul Matin
- Department of Cariology and Operative Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU).,Endowed Department of International Oral Health Science, Tsurumi University School of Dental Medicine
| | - Naoko Matsui
- Department of Cariology and Operative Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
| | - Miyuki Shimizu
- Department of Cariology and Operative Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
| | - Yuka Tsuda
- Department of Cariology and Operative Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
| | - Shigeki Uchinuma
- Department of Cariology and Operative Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
| | - Noriko Hiraishi
- Department of Cariology and Operative Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
| | - Toru Nikaido
- Department of Operative Dentistry, Asahi University
| | - Junji Tagami
- Department of Cariology and Operative Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
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Parikh A, Nirupama DN, Naveen DN, Sindhu J, Nainan M. Spectrophotometric analysis of crown discoloration induced by various intracanal medicaments: An in vitro study. ENDODONTOLOGY 2021. [DOI: 10.4103/endo.endo_59_19] [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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Abrar E, Naseem M, Baig QA, Vohra F, Maawadh AM, Almohareb T, AlRifaiy MQ, Abduljabbar T. Antimicrobial efficacy of silver diamine fluoride in comparison to photodynamic therapy and chlorhexidine on canal disinfection and bond strength to radicular dentin. Photodiagnosis Photodyn Ther 2020; 32:102066. [DOI: 10.1016/j.pdpdt.2020.102066] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/08/2020] [Accepted: 10/13/2020] [Indexed: 01/17/2023]
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Niemirowicz-Laskowska K, Mystkowska J, Łysik D, Chmielewska S, Tokajuk G, Misztalewska-Turkowicz I, Wilczewska AZ, Bucki R. Antimicrobial and Physicochemical Properties of Artificial Saliva Formulations Supplemented with Core-Shell Magnetic Nanoparticles. Int J Mol Sci 2020; 21:ijms21061979. [PMID: 32183193 PMCID: PMC7139618 DOI: 10.3390/ijms21061979] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/10/2020] [Accepted: 03/12/2020] [Indexed: 12/21/2022] Open
Abstract
Saliva plays a crucial role in oral cavity. In addition to its buffering and moisturizing properties, saliva fulfills many biofunctional requirements, including antibacterial activity that is essential to assure proper oral microbiota growth. Due to numerous extra- and intra-systemic factors, there are many disorders of its secretion, leading to oral dryness. Saliva substitutes used in such situations must meet many demands. This study was design to evaluate the effect of core-shell magnetic nanoparticles (MNPs) adding (gold-coated and aminosilane-coated nanoparticles NPs) on antimicrobial (microorganism adhesion, biofilm formation), rheological (viscosity, viscoelasticity) and physicochemical (pH, surface tension, conductivity) properties of three commercially available saliva formulations. Upon the addition of NPs (20 µg/mL), antibacterial activity of artificial saliva was found to increase against tested microorganisms by 20% to 50%. NPs, especially gold-coated ones, decrease the adhesion of Gram-positive and fungal cells by 65% and Gram-negative bacteria cells by 45%. Moreover, the addition of NPs strengthened the antimicrobial properties of tested artificial saliva, without influencing their rheological and physicochemical properties, which stay within the range characterizing the natural saliva collected from healthy subjects.
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Affiliation(s)
- Katarzyna Niemirowicz-Laskowska
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (K.N.-L.); (S.C.); (R.B.)
| | - Joanna Mystkowska
- Institute of Biomedical Engineering, Bialystok University of Technology, Wiejska 45C, 15-351 Bialystok, Poland;
- Correspondence: ; Tel.: +48-571-443-083
| | - Dawid Łysik
- Institute of Biomedical Engineering, Bialystok University of Technology, Wiejska 45C, 15-351 Bialystok, Poland;
| | - Sylwia Chmielewska
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (K.N.-L.); (S.C.); (R.B.)
| | - Grażyna Tokajuk
- Department of Integrated Dentistry, Medical University of Bialystok, M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland;
| | | | - Agnieszka Z. Wilczewska
- Faculty of Chemistry, University of Białystok, Ciolkowskiego 1K, 15-245 Bialystok, Poland; (I.M.-T.); (A.Z.W.)
| | - Robert Bucki
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (K.N.-L.); (S.C.); (R.B.)
- Department of Microbiology and Immunology, The Faculty of Medicine and Health Sciences of the Jan Kochanowski University in Kielce, Stefana Żeromskiego 5, 25-001 Kielce, Poland
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Al-Madi EM, Al-Jamie MA, Al-Owaid NM, Almohaimede AA, Al-Owid AM. Antibacterial efficacy of silver diamine fluoride as a root canal irrigant. Clin Exp Dent Res 2019; 5:551-556. [PMID: 31687190 PMCID: PMC6820571 DOI: 10.1002/cre2.222] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/22/2019] [Accepted: 06/25/2019] [Indexed: 11/27/2022] Open
Abstract
Objectives Conventional disinfectants and medicaments have not been able to achieve and maintain sterilization of root canals. The purpose of the study was to evaluate the antibacterial efficacy of 3.8% silver diamine fluoride (SDF) in comparison with 2% chlorhexidine (CHX) against Enterococcus faecalis biofilm. Materials and methods Extracted human teeth were used to make 70 dentin discs that were then inoculated with E. faecalis to generate a 3‐week‐old biofilm model. The discs were subjected to treatment with 3.8% SDF, 2% CHX, sodium hypochlorite (NaOCl), or saline for 10 min. After exposure, the dentin discs were examined with a confocal laser scanning microscope to verify the percentage of live versus dead cells within the biofilm. Univariate one‐way analysis of variance and Tukey‐honestly significant difference post hoc analysis (p < .05) were performed to detect significant differences. Results and conclusion The NaOCl group showed the greatest percentage of dead cells (62.26%) among all groups (p < .05). The SDF group showed a significantly higher percentage of dead cells (57.39%) than the 2% CHX and saline groups (p < .05). SDF possessed higher antimicrobial activity than 2% CHX against E. faecalis biofilms.
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Affiliation(s)
- Ebtissam M Al-Madi
- Department of Restorative Dentistry, College of Dentistry King Saud University Riyadh Saudi Arabia
| | | | - Noura M Al-Owaid
- College of Dentistry Princess Nourah bint AbdulRahman University Riyadh Saudi Arabia
| | - Amal A Almohaimede
- Department of Restorative Dentistry, College of Dentistry King Saud University Riyadh Saudi Arabia
| | - Albandary M Al-Owid
- College of Dentistry Princess Nourah bint AbdulRahman University Riyadh Saudi Arabia
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