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Fristad I, Haug S, Bårdsen A. Biological properties versus solubility of endodontic sealers and cements. Biomater Investig Dent 2024; 11:40863. [PMID: 38903777 PMCID: PMC11187977 DOI: 10.2340/biid.v11.40863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Accepted: 05/23/2024] [Indexed: 06/22/2024] Open
Abstract
Endodontic sealers and cements used in root canal treatment have different compositions and properties. Common to all materials is that their primary goal is to fill gaps and voids, making a permanent seal of the root canal system. Furthermore, aspects such as antibacterial properties, cytotoxicity, setting time, solubility and biocompatibility are also crucial and ought to be considered. Over the years, a shift in the view on the importance of these aspects has ocurred. Whereas the antibacterial properties were considered important when the technical factors in endodontics were less developed, the sealing ability and biocompatibility have later been considered the most critical factors. The introduction of tricalcium silicate cements and sealers has led to a renewed interest in material properties, as these cements seem to have good sealing ability and at the same time combine favourable antimicrobial effects with excellent biocompatibility. This review discusses how the various properties of root canal sealers and cements may conflict with the primary aim of providing a permanent seal of the root canal system.
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Affiliation(s)
- Inge Fristad
- Department of Clinical Dentistry, University of Bergen, Bergen, Norway
| | - Sivakami Haug
- Department of Clinical Dentistry, University of Bergen, Bergen, Norway
| | - Asgeir Bårdsen
- Department of Clinical Dentistry, University of Bergen, Bergen, Norway
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Scelza MFZ, Tavares SJO, Scelza P, Ramos GS, Lima Aboud LRD, Piasecki L, Leite PEC, Silva JDD, Soares-Lima SC, Alves GG. A three-dimensional cell culture approach to investigate cytotoxic effects and production of inflammatory mediators by epoxy resin-based and calcium silicate-based endodontic sealer. Clin Oral Investig 2024; 28:344. [PMID: 38809444 DOI: 10.1007/s00784-024-05743-x] [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: 02/28/2024] [Accepted: 05/24/2024] [Indexed: 05/30/2024]
Abstract
OBJECTIVES The aim of the present study was to assess the cytocompatibility of epoxy resin-based AH Plus Jet (Dentsply De Trey, Konstanz, Germany), Sealer Plus (MK Life, Porto Alegre, Brazil), calcium silicate-based Bio-C Sealer (Angelus, Londrina, PR, Brazil), Sealer Plus BC (MK Life) and AH Plus BC (Dentsply) through a tridimensional (3D) culture model of human osteoblast-like cells. METHODS Spheroids of MG-63 cells were produced and exposed to fresh root canal sealers extracts by 24 h, and the cytotoxicity was assessed by the Lactate Dehydrogenase assay (LDH). The distribution of dead cells within the microtissue was assessed by fluorescence microscopy, and morphological effects were investigated by histological analysis. The secreted inflammatory mediators were detected in cell supernatants through flow luminometry (XMap Luminex). RESULTS Cells incubated with AH Plus Jet, AH Plus BC, Sealer Plus BC and Bio-C Sealer extracts showed high rates of cell viability, while the Sealer Plus induced a significant reduction of cell viability, causing reduction on the spheroid structure. Sealer Plus and Seaker Plus BC caused alterations on 3D microtissue morphology. The AH Plus BC extract was associated with the downregulation of secretion of pro-inflammatory cytokines IL-5, IL-7, IP-10 and RANTES. CONCLUSIONS The new AH Plus BC calcium silicate-based endodontic sealer did not reduce cell viability in vitro, while led to the downregulation of pro-inflammatory cytokines. CLINICAL SIGNIFICANCE Choosing the appropriate endodontic sealer is a crucial step. AH Plus BC demonstrated high cell viability and downregulation of pro-inflammatory cytokines, appearing reliable for clinical use, while Sealer Plus presented lower cytocompatibility.
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Affiliation(s)
- Miriam F Z Scelza
- Post-graduation Program in Dentistry of Fluminense Federal University (UFF), Niterói,, RJ, Brazil.
- Department of Endodontics, Laboratory of Experimental Culture Cell (LECCel), Faculty of Dentistry, Fluminense Federal University, Niterói, RJ, Brazil.
| | - Sandro J O Tavares
- Post-graduation Program in Dentistry of Fluminense Federal University (UFF), Niterói,, RJ, Brazil
- Department of Endodontics, Laboratory of Experimental Culture Cell (LECCel), Faculty of Dentistry, Fluminense Federal University, Niterói, RJ, Brazil
| | - Pantaleo Scelza
- Geriatric Dentistry Department, Faculty of Dentistry of Federal Fluminense University (UFF), Niteroi, RJ, Brazil
| | - Gabriel S Ramos
- Undergraduate of Faculty of Biology Science, Fluminense Federal University, 24210-201, RJ, Niterói, Brazil
| | | | - Lucila Piasecki
- Department of Periodontics and Endodontics, University at Buffalo, NY, USA
| | - Paulo Emílio C Leite
- Clinical Research Unit of the Antonio Pedro Hospital, Fluminense Federal University, RJ, Niterói, Brazil
| | - Jéssica Dornelas da Silva
- Clinical Research Unit of the Antonio Pedro Hospital, Fluminense Federal University, RJ, Niterói, Brazil
- NanoOnco3D, RJ, Niterói, Brazil
| | - Sheila Coelho Soares-Lima
- Molecular Carcinogenesis Program of National Cancer Institute (INCA), 20231-050, Rio de Janeiro, André Cavalcante Street, no 37, Brazil
| | - Gutemberg G Alves
- Clinical Research Unit of the Antonio Pedro Hospital, Fluminense Federal University, RJ, Niterói, Brazil
- Cell and Molecular Biology Department, Institute of Biology, Fluminense Federal University, Rio de Janeiro, Niterói, Brazil
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Koutrouli A, Machla F, Arapostathis K, Kokoti M, Bakopoulou A. "Biological responses of two calcium-silicate-based cements on a tissue-engineered 3D organotypic deciduous pulp analogue". Dent Mater 2024; 40:e14-e25. [PMID: 38431482 DOI: 10.1016/j.dental.2024.02.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 02/14/2024] [Accepted: 02/18/2024] [Indexed: 03/05/2024]
Abstract
OBJECTIVES The biological responses of MTA and Biodentine™ has been assessed on a three-dimensional, tissue-engineered organotypic deciduous pulp analogue. METHODS Human endothelial (HUVEC) and dental mesenchymal stem cells (SHED) at a ratio of 3:1, were incorporated into a collagen I/fibrin hydrogel; succeeding Biodentine™ and MTA cylindrical specimens were placed in direct contact with the pulp analogue 48 h later. Cell viability/proliferation and morphology were evaluated through live/dead staining, MTT assay and Scanning Electron Microscopy (SEM), and expression of angiogenic, odontogenic markers through real time PCR. RESULTS Viable cells dominated at day 3 after treatment presenting typical morphology, firmly attached within the hydrogel structures, as shown by live/dead staining and SEM images. MTT assay at day 1 presented a significant increase of cell proliferation in Biodentine™ group. Real-time PCR showed significant upregulation of odontogenic markers DSPP, BMP-2 (day 3,6), RUNX2, ALP (day 3) in contact with Biodentine™ compared to MTA and the control, whereas MTA promoted significant upregulation of DSPP, BMP-2, RUNX2, Osterix (day 3) and ALP (day 6) compared to the control. MSX1 presented downregulation in both experimental groups. Expression of angiogenic markers VEGFa and ANGPT-1 at day 3 was significantly upregulated in contact with Biodentine™ and MTA respectively, while the receptors VEGFR1, VEGFR2 and Tie-2, as well as PECAM-1 were downregulated. SIGNIFICANCE Both calcium silicate-based materials are biocompatible and exert positive angiogenic and odontogenic effects, although Biodentine™ during the first days of culture, seems to induce higher cell proliferation and provoke a more profound odontogenic and angiogenic response from SHED.
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Affiliation(s)
- A Koutrouli
- Department of Paediatric Dentistry, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece
| | - F Machla
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece
| | - K Arapostathis
- Department of Paediatric Dentistry, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece
| | - M Kokoti
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece
| | - A Bakopoulou
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece.
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Sanz JL, López-García S, García-Bernal D, Rodríguez-Lozano FJ, Forner L, Lozano A, Murcia L. Comparative bioactivity and immunomodulatory potential of the new Bioroot Flow and AH Plus Bioceramic sealer: An in vitro study on hPDLSCs. Clin Oral Investig 2024; 28:195. [PMID: 38441709 PMCID: PMC10914906 DOI: 10.1007/s00784-024-05593-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 02/28/2024] [Indexed: 03/07/2024]
Abstract
OBJECTIVES To evaluate the cytocompatibility, bioactivity, and anti-inflammatory potential of the new pre-mixed calcium silicate cement-based sealers Bioroot Flow (BrF) and AH Plus Bioceramic Sealer (AHPbcs) on human periodontal ligament stem cells (hPDLSCs) compared to the epoxy resin-based sealer AH Plus (AHP). MATERIALS AND METHODS Standardized discs and 1:1, 1:2, and 1:4 eluates of BrF, AHPbcs and AHP after setting were prepared. The following assays were performed: cell attachment and morphology via SEM, cell viability via a MTT assay, cell migration/proliferation via a wound-healing assay, cytoskeleton organization via immunofluorescence staining; cytokine release via ELISA; osteo/cemento/odontogenic marker expression via RT-qPCR, and cell mineralized nodule formation via Alizarin Red S staining. HPDLSCs were isolated from extracted third molars from healthy patients. Comparisons were made with hPDLSCs cultured in unconditioned (negative control) or osteogenic (positive control) culture media. Statistical significance was established at p < 0.05. RESULTS Both BrF and AHPbcs showed significantly positive results in the cytocompatibility assays (cell metabolic activity, migration, attachment, morphology, and cytoskeleton organization) compared with a negative control group, while AHP showed significant negative results. BrF exhibited an upregulation of at least one osteo/cementogenic marker compared to the negative and positive control groups. BrF showed a significantly higher calcified nodule formation than AHPbcs, the negative and positive control groups, while AHPbcs was higher than the negative control group. Both were also significantly higher than AHP group. CONCLUSION BrF and AHPbcs exhibit adequate and comparable cytocompatibility on hPDLSCs. BrF also promoted the osteo/cementogenic differentiation of hPDLSCs. Both calcium silicate-based sealers favored the downregulation of the inflammatory cytokine IL-6 and the calcified nodule formation from hPDLSCs. BrF exerted a significantly higher influence on cell mineralization than AHPbcs. CLINICAL RELEVANCE This is the first study to elucidate the biological properties and immunomodulatory potential of Bioroot Flow and AH Plus Bioceramic Sealer. The results act as supporting evidence for their use in root canal treatment.
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Affiliation(s)
- José Luis Sanz
- Departament d'Estomatologia, Facultat de Medicina I Odontologia, Universitat de València, 46010, Valencia, Spain
| | - Sergio López-García
- Departament d'Estomatologia, Facultat de Medicina I Odontologia, Universitat de València, 46010, Valencia, Spain
| | - David García-Bernal
- Department of Biochemistry, Molecular Biology B and Immunology, Faculty of Medicine, University of Murcia, Biomedical Research Institute (IMIB), 30120, Murcia, Spain
| | - Francisco Javier Rodríguez-Lozano
- Department of Dermatology, Stomatology, Radiology and Physical Medicine, Morales Meseguer Hospital, Faculty of Medicine, University of Murcia, 30008, Murcia, Spain.
- School of Dentistry, Hospital Morales Meseguer2 Pl.Av. Marqués de los Vélez, S/NUniversity of Murcia, 30008, Murcia, Spain.
| | - Leopoldo Forner
- Departament d'Estomatologia, Facultat de Medicina I Odontologia, Universitat de València, 46010, Valencia, Spain
| | - Adrián Lozano
- Departament d'Estomatologia, Facultat de Medicina I Odontologia, Universitat de València, 46010, Valencia, Spain
| | - Laura Murcia
- Department of Health Sciences, Catholic University San Antonio of Murcia, 30107, Murcia, Spain
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Malta CP, Barcelos RCS, Fernandes PS, Martins MO, Sagrillo MR, Bier CAS, Morgental RD. In silico toxicity and immunological interactions of components of calcium silicate-based and epoxy resin-based endodontic sealers. Clin Oral Investig 2024; 28:148. [PMID: 38353803 DOI: 10.1007/s00784-024-05548-y] [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: 08/20/2023] [Accepted: 02/07/2024] [Indexed: 02/16/2024]
Abstract
OBJECTIVES The present study aimed to determine in silico toxicity predictions of test compounds from hydraulic calcium silicate-based sealers (HCSBS) and AH Plus and computationally simulate the interaction between these substances and mediators of periapical inflammation via molecular docking. MATERIALS AND METHODS All chemical information of the test compounds was obtained from the PubChem site. Predictions for bioavailability and toxicity analyses were determined by the Molinspiration Cheminformatics, pkCSM, ProTox-II and OSIRIS Property Explorer platforms. Molecular docking was performed using the Autodock4 AMDock v.1.5.2 program to analyse interactions between proteins (IL-1β, IL-6, IL-8, IL-10 and TNF-α) and ligands (calcium silicate hydrate, zirconium oxide, bisphenol-A epoxy resin, dibenzylamine, iron oxide and calcium tungstate) to establish the affinity and bonding mode between systems. RESULTS Bisphenol-A epoxy resin had the lowest maximum dose tolerated in humans and was the test compound with the largest number of toxicological properties (hepatotoxicity, carcinogenicity and irritant). All systems had favourable molecular docking. However, the ligands bisphenol-A epoxy resin and dibenzylamine had the greatest affinity with the cytokines tested. CONCLUSION In silico predictions and molecular docking pointed the higher toxicity and greater interaction with mediators of periapical inflammation of the main test compounds from AH Plus compared to those from HCSBS. CLINICAL RELEVANCE This is the first in silico study involving endodontic materials and may serve as the basis for further research that can generate more data, producing knowledge on the interference of each chemical compound in the composition of different root canal sealers.
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Affiliation(s)
- Cristiana Pereira Malta
- Graduate Program in Dental Sciences, Universidade Federal de Santa Maria - UFSM, Av. Roraima 1000, Bairro Camobi, Prédio 26F (Odontologia), Santa Maria, RS, 97105-900, Brazil.
| | - Raquel Cristine Silva Barcelos
- Graduate Program in Dental Sciences, Universidade Federal de Santa Maria - UFSM, Av. Roraima 1000, Bairro Camobi, Prédio 26F (Odontologia), Santa Maria, RS, 97105-900, Brazil
| | - Pâmella Schramm Fernandes
- Graduate Program in Nanosciences, Universidade Franciscana - UFN, Rua dos Andradas 1614, Bairro Centro, Santa Maria, RS, 97010-030, Brazil
| | - Mirkos Ortiz Martins
- Graduate Program in Nanosciences, Universidade Franciscana - UFN, Rua dos Andradas 1614, Bairro Centro, Santa Maria, RS, 97010-030, Brazil
| | - Michele Rorato Sagrillo
- Graduate Program in Nanosciences, Universidade Franciscana - UFN, Rua dos Andradas 1614, Bairro Centro, Santa Maria, RS, 97010-030, Brazil
| | - Carlos Alexandre Souza Bier
- Graduate Program in Dental Sciences, Universidade Federal de Santa Maria - UFSM, Av. Roraima 1000, Bairro Camobi, Prédio 26F (Odontologia), Santa Maria, RS, 97105-900, Brazil
| | - Renata Dornelles Morgental
- Graduate Program in Dental Sciences, Universidade Federal de Santa Maria - UFSM, Av. Roraima 1000, Bairro Camobi, Prédio 26F (Odontologia), Santa Maria, RS, 97105-900, Brazil
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Al-Askary RA, AL-Ashou WM, Al-Jubori SH. Remineralization ability of different root canal sealers. Saudi Dent J 2023; 35:1014-1022. [PMID: 38170034 PMCID: PMC10759546 DOI: 10.1016/j.sdentj.2023.08.004] [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: 06/14/2023] [Revised: 08/07/2023] [Accepted: 08/13/2023] [Indexed: 01/05/2024] Open
Abstract
Aims This research was designed to contrast the biocompatibility and remineralization ability of different sealers (BioRoot, MTA-FillApex and GuttaFlow-Bioseal). Method Twenty rabbits were used in this study, they were randomly divided into 4 groups equally depending on the observation time"3,7,14, and 28 days" post-implantation. Each rabbit was generally anesthetized,"7cm"long incision was made on the skin of the right and left sides of the ventral aspect of the mandible of each rabbit, 4 bony cavities of approximately"5mm"in depth and"2mm"in diameter (2 cavities on the left side and 2 cavities on the right side of mandible of each rabbit) were made in the cortical surface of the buccal alveolar bone. The sealers mixed depend on manufactural instructions and immediately insert into the prepared cavities (in the right side the BioRoot and MTA-FillApex were placed while on the left side, GuttaFlow-Bioseal was placed in one cavity and the other cavity was left unfilled as control).The same volume of each sealer was placed in the corresponding cavity using disposable syringes. After each observation period, the animals were sacrificed and bone biopsy from the tested area was taken and examined histologically using Olympus light microscopy at"400X"magnification. Results The obtained data were analyzed through non-parametric statistical tests using SPSS software version"22".Kruskal-Wallis test and Mann - Whitney test were utilized at"0.05"levels of significance to evaluate the results. GuttaFlow-Bioseal displayed excellent biocompatibility in comparison to other groups indicated by low inflammatory tissue reaction at all evaluation intervals. While the BioRoot group represented better osteo-conductivity although statistically not significant than GuttaFlow-Bioseal group. Conclusion BioRoot and GuttaFlow-Bioseal showed higher osteo-conductivity and biocompatibility than MTA-FillApex. However, all sealer used in this study were well tolerated by bone tissue and might accelerate bone repair.
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Affiliation(s)
- Raghad A Al-Askary
- Department of Conservative Dentistry, College of Dentistry, University of Mosul, Mosul, Iraq
| | - Wiaam M.O. AL-Ashou
- Department of Conservative Dentistry, College of Dentistry, University of Mosul, Mosul, Iraq
| | - Sawsan H. Al-Jubori
- Department of Conservative Dentistry, College of Dentistry, University of Mosul, Mosul, Iraq
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Boreak NM, Qadi MA, Khormi FH, Faqiri LM, Zaylai SO, Jad YA, Hamdi BA, Juraybi A. Evaluation of Cytotoxicity of Calcium Silicate-based Mineral Trioxide Aggregate Sealers: A Systematic Review of In Vitro Studies. J Contemp Dent Pract 2023; 24:610-619. [PMID: 38193186 DOI: 10.5005/jp-journals-10024-3551] [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] [Indexed: 01/10/2024]
Abstract
AIM This review aimed to evaluate the in vitro studies done with regard to the cytotoxicity associated with mineral trioxide aggregate (MTA)-based root canal sealers. BACKGROUND Root canal sealers are used during endodontic treatment as fillers to seal the gaps between the canal gutta-percha cone and canal walls. It is necessary to understand the cytotoxicity of these materials on human-derived cells as these materials interact with human cells periapically. REVIEW RESULTS Six in vitro studies were chosen for review. In these selected studies, along with MTA-based root canal sealers, other sealers were tested for cytotoxicity on human periodontal ligament (PDL) stem cells, human PDL fibroblasts, and human osteoblast cells. Regarding cytotoxicity, the studies were diverse, and most were based on 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyl-2H-tetrazolium bromide) (MTT) assay. In general, the studies suggested that root canal sealers cause mild to severe cytotoxic effects and that several factors influence this effect, such as material setting time, concentration, and duration of exposure. CONCLUSION All studies in the review indicated that MTA. Fillapex must be used cautiously as it exhibited the highest cytotoxic effect compared to other MTA-based and non-MTA-based sealers. CLINICAL SIGNIFICANCE Endodontic sealers do serve the purpose of bridging the gaps between the gutta-percha cone and the canal wall but knowing its biocompatibility becomes important as the material is extruded beyond the apical foramen where it comes in contact with the surrounding tissues. The effect of sealers on the surrounding tissues affects the healing and prognosis of the treatment.
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Affiliation(s)
- Nezar Mohammed Boreak
- Department of Restorative Dentistry, School of Dentistry, Jazan University, Saudi Arabia, Phone: +966 599016688, e-mail:
| | - Mazen Ahmed Qadi
- Department of Restorative Dentistry, School of Dentistry, Jazan University, Saudi Arabia
| | - Faisal Hadi Khormi
- Department of Restorative Dentistry, School of Dentistry, Jazan University, Saudi Arabia
| | - Luay Mutaen Faqiri
- Department of Restorative Dentistry, School of Dentistry, Jazan University, Saudi Arabia
| | - Sadeem Omar Zaylai
- Department of Restorative Dentistry, School of Dentistry, Jazan University, Saudi Arabia
| | - Yaser Ali Jad
- Department of Restorative Dentistry, School of Dentistry, Jazan University, Saudi Arabia
| | - Bassam Ali Hamdi
- Department of Restorative Dentistry, School of Dentistry, Jazan University, Saudi Arabia
| | - Asayil Juraybi
- Department of Restorative Dentistry, School of Dentistry, Jazan University, Saudi Arabia
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Immunomodulatory Effects of Endodontic Sealers: A Systematic Review. Dent J (Basel) 2023; 11:dj11020054. [PMID: 36826199 PMCID: PMC9955805 DOI: 10.3390/dj11020054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/19/2023] Open
Abstract
Inflammation is a crucial step prior to healing, and the regulatory effects of endodontic materials on the immune response can influence tissue repair. This review aimed to answer whether endodontic sealers can modulate the immune cells and inflammation. An electronic search in Scopus, Web of Science, PubMed, and Google Scholar databases were performed. This systematic review was mainly based on PRISMA guidelines, and the risk of bias was evaluated by SYRCLEs and the Modified CONSORT checklist for in vivo and in vitro studies, respectively. In total, 28 articles: 22 in vitro studies, and six in vivo studies were included in this systematic review. AH Plus and AH 26 can down-regulate iNOS mRNA, while S-PRG sealers can down-regulate p65 of NF-κB pathways to inhibit the production of TNF-α, IL-1, and IL-6. In vitro and in vivo studies suggested that various endodontic sealers exhibited immunomodulatory impact in macrophages polarization and inflammatory cytokine production, which could promote healing, tissue repair, and inhibit inflammation. Since the paradigm change from immune inert biomaterials to bioactive materials, endodontic materials, particularly sealers, are required to have modulatory effects in clinical conditions. New generations of endodontic sealers could hamper detrimental inflammatory responses and maintain periodontal tissue, which represent a breakthrough in biocompatibility and functionality of endodontic biomaterials.
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Castro-Jara S, Antilef B, Osbén C, Alcántara R, Fraga M, Nova-Lamperti E, Sánchez-Sanhueza G. Bioactivity analysis of calcium silicate-based sealers and repair cements on the phenotype and cytokine secretion profile of CD14 + monocytes: An ex vivo study. Int Endod J 2023; 56:80-91. [PMID: 36226465 DOI: 10.1111/iej.13847] [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: 01/05/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 12/13/2022]
Abstract
AIM This study evaluated the immune bioactivity of testing media (TM) obtained from different calcium silicate-based sealers and cements on monocyte morphology, activation, differentiation and cytokine secretion. METHODS Blood-derived CD14+ monocytes were isolated and cultured for 5 days with 25% TM from the following calcium silicate-based materials: TotalFill BC RRM Fast-Set Putty, Biodentine, TotalFill BC Sealer and BioRoot-Root-Canal-Sealer (RCS). A resin-based endodontic cement was used as a control. The expression of surface markers such as CD86, HLA-DR, CD16, CD309 and CD209, and cytokine secretion were analysed by flow cytometry. Data were analysed using the one-way repeated measures analysis of variance (anova) multiple comparison test and a Holm-Sidak multiple comparison post-hoc test (p < .05). RESULTS This comparative analysis revealed that monocytes co-cultured with calcium silicate-based materials showed a spindle-shaped morphology compared with the round shape observed in the control. Regarding activation markers, BioRoot-RCS and Biodentine significantly increased CD86 expression compared with the control sample, whereas no significant differences (p > .05) were observed in HLA-DR expression. In addition, no differences were observed among the differentiation markers. When the inflammatory cytokines were analysed, BioRoot-RCS increased the secretion of IL-1β, IL-6, IL-10 and TNF-α, whereas BioRoot-RCS and Biodentine significantly decreased IL-8 production (p < .05). CONCLUSIONS These data showed that the calcium silicate-based materials tested changed the morphology of CD14+ monocytes; however, only BioRoot-RCS and Biodentine significantly upregulated CD86. In addition, BioRoot-RCS was the sealer with the highest immunomodulatory properties for cytokine production which means that it can contribute with the in vivo healing process and regeneration of periapical lesions.
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Affiliation(s)
- Silvia Castro-Jara
- Department of Restorative Dentistry, Endodontic Discipline, Faculty of Dentistry, Universidad de Concepción, Concepción, Chile
| | - Bárbara Antilef
- Molecular & Translational Immunology Laboratory, Department of Clinical Biochemistry and Immunology, School of Pharmacy, Universidad de Concepción, Concepción, Chile
| | - Carolina Osbén
- Department of Restorative Dentistry, Endodontic Discipline, Faculty of Dentistry, Universidad de Concepción, Concepción, Chile
| | - Raúl Alcántara
- Department of Restorative Dentistry, Endodontic Discipline, Faculty of Dentistry, Universidad de Concepción, Concepción, Chile
| | - Marco Fraga
- Molecular & Translational Immunology Laboratory, Department of Clinical Biochemistry and Immunology, School of Pharmacy, Universidad de Concepción, Concepción, Chile
| | - Estefanía Nova-Lamperti
- Molecular & Translational Immunology Laboratory, Department of Clinical Biochemistry and Immunology, School of Pharmacy, Universidad de Concepción, Concepción, Chile
| | - Gabriela Sánchez-Sanhueza
- Department of Restorative Dentistry, Endodontic Discipline, Faculty of Dentistry, Universidad de Concepción, Concepción, Chile
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Okamoto M, Matsumoto S, Moriyama K, Huang H, Watanabe M, Miura J, Sugiyama K, Hirose Y, Mizuhira M, Kuriki N, Leprince JG, Takahashi Y, Kawabata S, Hayashi M. Biological Evaluation of the Effect of Root Canal Sealers Using a Rat Model. Pharmaceutics 2022; 14:pharmaceutics14102038. [PMID: 36297473 PMCID: PMC9606985 DOI: 10.3390/pharmaceutics14102038] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/13/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
Gutta-percha points and root canal sealers have been used for decades in endodontics for root canal obturation. With techniques such as single cone methods, the amount of sealer is larger, making their properties more critical. However, relatively few reports have comprehensively evaluated their biological effects. To this end, we evaluated three types of sealers, zinc oxide-fatty acid-, bio-glass- and methacrylate resin-containing sealers were considered. Their biological effects were evaluated using a rat subcutaneous implantation model. Each sealer was loaded inside a Teflon tube and implanted subcutaneously in the backs of rats. Inflammatory cells were observed around all samples 7 days after implantation and reduced after 28 days. Our results revealed that all samples were in contact with the subcutaneous tissue surrounding the sealer. Additionally, Ca and P accumulation was observed in only the bio-glass-containing sealer. Furthermore, each of the three sealers exhibited unique immune and inflammatory modulatory effects. In particular, bio-glass and methacrylate resin sealers were found to induce variable gene expression in adjacent subcutaneous tissues related to angiogenesis, wound healing, muscle tissue, and surrounding subcutaneous tissue. These results may help to understand the biological impacts of root canal sealers on surrounding biological tissues, guiding future research and comparisons with new generations of materials.
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Affiliation(s)
- Motoki Okamoto
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
- Correspondence: ; Tel.: +81-6-6879-2927
| | - Sayako Matsumoto
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Kiichi Moriyama
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hailing Huang
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Masakatsu Watanabe
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Jiro Miura
- Division for Interdisciplinary Dentistry, Osaka University Dental Hospital. 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Keita Sugiyama
- Division for Interdisciplinary Dentistry, Osaka University Dental Hospital. 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Yujiro Hirose
- Department of Oral and Molecular Microbiology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Manabu Mizuhira
- Bruker Japan K.K. Nano Analytics Division, 3-9 Moriyacho, Yokohama, Kanagawa 221-0022, Japan
| | - Nanako Kuriki
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Julian G. Leprince
- DRIM Research Group & Advanced Drug Delivery and Biomaterials, Louvain Drug Research Institute, UCLouvain, 1200 Brussels, Belgium
| | - Yusuke Takahashi
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Shigetada Kawabata
- Department of Oral and Molecular Microbiology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Mikako Hayashi
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan
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Leme KSV, Salvadori DMF. In vitro toxicogenomic activity of an MTA/salicylate-based endodontic sealer. Toxicol Rep 2022; 9:1076-1081. [DOI: 10.1016/j.toxrep.2022.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 04/30/2022] [Accepted: 05/02/2022] [Indexed: 10/18/2022] Open
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12
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Physicochemical and biological properties of four calcium silicate-based endodontic cements. J Dent Sci 2022; 17:1586-1594. [PMID: 36299316 PMCID: PMC9588830 DOI: 10.1016/j.jds.2022.04.001] [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: 01/30/2022] [Revised: 04/01/2022] [Indexed: 11/24/2022] Open
Abstract
Background/purpose Materials and methods Results Conclusion
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Touya N, Devun M, Handschin C, Casenave S, Omar NA, Gaubert A, Dusserre N, De Oliveira H, Kérourédan O, Devillard R. In vitroand in vivocharacterization of a novel tricalcium silicate-based ink for bone regeneration using laser-assisted bioprinting. Biofabrication 2022; 14. [PMID: 35203068 DOI: 10.1088/1758-5090/ac584b] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 02/24/2022] [Indexed: 11/11/2022]
Abstract
Grafts aside, current strategies employed to overcome bone loss still fail to reproduce native tissue physiology. Among the emerging bioprinting strategies, Laser-Assisted Bioprinting (LAB) offers very high resolution, allowing designing micrometric patterns in a contactless manner, providing a reproducible tool to test ink formulation. To this date, no LAB associated ink succeeded to provide a reproducible ad integrum bone regeneration on a murine calvaria critical size defect model. Using the CE approved BioRoot RCS® as a mineral addition to a collagen-enriched ink compatible with LAB, the present study describes the process of the development of a solidifying tricalcium silicate-based ink as a new bone repair promoting substrates in a LAB model. This ink formulation was mechanically characterized by rheology to adjust it for LAB. Printed aside Stromal Cells from Apical Papilla (SCAPs), this ink demonstrated a great cytocompatibility, with significant in vitro positive impact upon cell motility, and an early osteogenic differentiation response in the absence of another stimulus. Results indicated that the in vivo application of this new ink formulation to regenerate critical size bone defect tends to promote the formation of bone volume fraction without affecting the vascularization of the neo-formed tissue. The use of LAB techniques with this ink failed to demonstrate a complete bone repair, whether SCAPs were printed or not of at its direct proximity. The relevance of the properties of this specific ink formulation would therefore rely on the quantity applied in situ as a defect filler rather than its cell modulation properties observed in vitro. For the first time, a tricalcium silicate-based printed ink, based on rheological analysis, was characterized in vitro and in vivo, giving valuable information to reach complete bone regeneration through formulation updates. This LAB-based process could be generalized to normalize the characterization of candidate ink for bone regeneration.
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Affiliation(s)
- Nicolas Touya
- University of Bordeaux, 146 rue leo saignat, Bordeaux, 33067, FRANCE
| | - Mathilde Devun
- University of Bordeaux, 146 rue leo saignat, Talence, 33405, FRANCE
| | - Charles Handschin
- Inserm U1026, Tissue Bioengineering: Bordeaux, FR, 146 rue leo saignat, Bordeaux, 33067, FRANCE
| | - Sophia Casenave
- University of Bordeaux, 146 rue leo saignat, Talence, 33405, FRANCE
| | - Naïma Ahmed Omar
- University of Bordeaux, 146 rue leo saignat, Talence, 33405, FRANCE
| | - Alexandra Gaubert
- University of Bordeaux, 146 rue leo saignat, Bordeaux, 33067, FRANCE
| | - Nathalie Dusserre
- ART Bioprint, INSERM U1026, 146 rue leo saignat, BORDEAUX, 33067, FRANCE
| | - Hugo De Oliveira
- , Université de Bordeaux, Bioingénierie tissulaire, rue Léo Saignat, 33076 Bordeaux, Bordeaux, 33067, FRANCE
| | - Olivia Kérourédan
- Bioingénierie Tissulaire, INSERM U1026, 146 rue Léo Saignat, BORDEAUX, 33067, FRANCE
| | - Raphael Devillard
- Bioingenierie tissulaire, INSERM U1026, 146 rue leo Saignat, Bordeaux, 33067, FRANCE
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Özdemir O, Kopac T. Cytotoxicity and biocompatibility of root canal sealers: A review on recent studies. J Appl Biomater Funct Mater 2022; 20:22808000221076325. [PMID: 35164598 DOI: 10.1177/22808000221076325] [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: 11/17/2022] Open
Abstract
Many types of endodontic root canal sealers have been employed for the purpose of filling voids and irregularities in root canals, as well as reducing/removing bacterial remnants/remains. Sealers are available in various formulations, and research work to find the most appropriate ones is still ongoing. Recently, many kinds of novel root canal sealers have been introduced under various commercial names. However, most sealers are known to exhibit different levels of cytotoxicity on tissues which would result in prolonged wound healing, inflammation, and bone resorption. Preferably, sealers need to have tolerable biological and physico-chemical properties along with biocompatibility. Additives promoting the biocompatibility and bioactivity of sealers are of major concern in clinical applications. The aim of this review was to compare, evaluate, and analyze comparatively the cytotoxic effects, biocompatibility, and antimicrobial properties of recently used root canal sealers. A comprehensive literature search was made to identify their properties involving biocompatibility and cytotoxicity. In general, the sealers reported in recent literature exhibited favorable biological features in comparison to conventional ones. They promoted better cell viability and biocompatibility. The incorporation of additives influences favorably the potential negative effects. However, it has been highlighted that there is a lack of well-designed long-term clinical applications, and more in vitro and in vivo research work would be helpful to confirm the sustainability of the sealers for further clinical practice.
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Affiliation(s)
- Olcay Özdemir
- Department of Pedodontics, Faculty of Dentistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey.,Department of Endodontics, Faculty of Dentistry, Karabük University, Karabük, Turkey
| | - Turkan Kopac
- Department of Chemistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
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Hosseinpour S, Gaudin A, Peters OA. A critical analysis of research methods and experimental models to study biocompatibility of endodontic materials. Int Endod J 2022; 55 Suppl 2:346-369. [PMID: 35124840 PMCID: PMC9315036 DOI: 10.1111/iej.13701] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 02/04/2022] [Indexed: 12/03/2022]
Abstract
Materials used for endodontics and with direct contact to tissues have a wide range of indications, from vital pulpal treatments to root filling materials and those used in endodontic surgery. In principle, interaction with dental materials may result in damage to tissues locally or systemically. Thus, a great variety of test methods are applied to evaluate a materials' potential risk of adverse biological effects to ensure their biocompatibility before commercialization. However, the results of biocompatibility evaluations are dependent on not only the tested materials but also the test methods due to the diversity of these effects and numerous variables involved. In addition, diverse biological effects require equally diverse assessments on a structured and planned approach. Such a structured assessment of the materials consists of four phases: general toxicity, local tissue irritation, pre‐clinical tests and clinical evaluations. Various types of screening assays are available; it is imperative to understand their advantages and limitations to recognize their appropriateness and for an accurate interpretation of their results. Recent scientific advances are rapidly introducing new materials to endodontics including nanomaterials, gene therapy and tissue engineering biomaterials. These new modalities open a new era to restore and regenerate dental tissues; however, all these new technologies can also present new hazards to patients. Before any clinical usage, new materials must be proven to be safe and not hazardous to health. Certain international standards exist for safety evaluation of dental materials (ISO 10993 series, ISO 7405 and ISO 14155‐1), but researchers often fail to follow these standards due to lack of access to standards, limitation of the guidelines and complexity of new experimental methods, which may cause technical errors. Moreover, many laboratories have developed their testing strategy for biocompatibility, which makes any comparison between findings more difficult. The purpose of this review was to discuss the concept of biocompatibility, structured test programmes and international standards for testing the biocompatibility of endodontic material biocompatibility. The text will further detail current test methods for evaluating the biocompatibility of endodontic materials, and their advantages and limitations.
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Affiliation(s)
- S Hosseinpour
- School of Dentistry The University of Queensland Herston QLD Australia
| | - A Gaudin
- Inserm UMR 1229 RMeS, Regenerative Medicine and Skeleton Université de Nantes ONIRIS Nantes France
- Université de Nantes UFR Odontologie Nantes France
| | - O A Peters
- School of Dentistry The University of Queensland Herston QLD Australia
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16
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Kim JH, Cho SY, Choi Y, Kim DH, Shin SJ, Jung IY. Clinical Efficacy of Sealer-based Obturation Using Calcium Silicate Sealers: A Randomized Clinical Trial. J Endod 2021; 48:144-151. [PMID: 34856212 DOI: 10.1016/j.joen.2021.11.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 11/19/2021] [Accepted: 11/20/2021] [Indexed: 02/06/2023]
Abstract
INTRODUCTION This randomized controlled clinical trial compared the clinical efficacy and outcome of a sealer-based obturation technique (SBO) with calcium silicate sealers and a continuous wave of condensation technique (CWC) with a resin-based sealer. METHODS Root canals were prepared using rotary instruments and 2.5% sodium hypochlorite. At the next visit, patients were enrolled and randomly assigned into 2 groups on the basis of the obturation protocol: CWC with AH Plus sealer and SBO with Endoseal TCS. Patients were assessed for the level of postoperative pain using a numeric rating scale. The quality of root canal obturation was evaluated in terms of the sealer extrusion, root-filling voids, and level of root filling. The participants were recalled after at least 6 months. Healing of the teeth was determined as a decrease in Periapical Index score and resolution of symptoms. The results were statistically compared by using the χ2 test or Fisher exact test, followed by multivariate analysis with logistic regression. RESULTS A total of 74 teeth were included in the analysis (79% recalls), and the mean follow-up period was 17 months (6-29 months). Two groups expressed identical distribution of postoperative pain (P = .973) and similar quality of root canal obturation. The total success rates were 93.2% (CWC 92.3%, SBO 94.3%) by loose criteria and 60.8% (CWC 51.3%, SBO 71.4%) by strict criteria, with no significant differences between the 2 groups. The success rate by loose criteria in teeth with sealer extrusion was significantly lower than those in teeth without sealer extrusion (P = .049). CONCLUSIONS SBO using an Endoseal TCS could be a possible alternative to CWC using AH Plus. Sealer extrusion and postoperative pain were found to negatively impact prognosis of the endodontic treatment.
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Affiliation(s)
- Ji-Hyung Kim
- Microscope Center, Department of Conservative Dentistry and Oral Science Research Center, College of Dentistry, Yonsei University, Seoul, Korea
| | - Sin-Yeon Cho
- Department of Conservative Dentistry, National Health Insurance Service Ilsan Hospital, Goyang, Gyeonggi-do, Korea
| | - Yoonwoo Choi
- Microscope Center, Department of Conservative Dentistry and Oral Science Research Center, College of Dentistry, Yonsei University, Seoul, Korea
| | - Do-Hyun Kim
- Microscope Center, Department of Conservative Dentistry and Oral Science Research Center, College of Dentistry, Yonsei University, Seoul, Korea
| | - Su-Jung Shin
- Department of Conservative Dentistry, Gangnam Severance Dental Hospital, Yonsei University, Seoul, Korea
| | - Il-Young Jung
- Microscope Center, Department of Conservative Dentistry and Oral Science Research Center, College of Dentistry, Yonsei University, Seoul, Korea.
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Pedrosa MDS, Alves T, Nogueira FN, Holzhausen M, Sipert CR. Cytotoxicity and cytokine production by calcium silicate-based materials on periodontal ligament stem cells. Braz Dent J 2021; 32:65-74. [PMID: 34755791 DOI: 10.1590/0103-6440202104467] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 08/10/2021] [Indexed: 11/22/2022] Open
Abstract
This study investigated the effect of three commercial calcium silicate-based materials (CSBM) on cytotoxicity and pro-and anti-inflammatory cytokines production in cultured human periodontal ligament stem cells (hPDLSCs). Culture of hPDLSCs was established and characterized. Extracts of Bio-C Sealer (Angelus, Londrina, PR, Brazil), MTA Fillapex (Angelus, Londrina, PR, Brazil) and PBS Cimmo HP (Cimmo Soluções em Saúde, Pouso Alegre, MG, Brazil) were prepared by placing cement specimens (5 x 3 mm) in culture medium. Then, the extracts were serially two-fold diluted (1, 1:2, 1:4, 1:8, 1:16) and inserted into the cell-seeded wells for 24, 48 and 72 h for MTT assays. TNF-α and IL-10 cytokines were quantified by ELISA at 24h-cell supernatants. Data were analyzed by ANOVA and Tukey's test (α = 0.05). All CSBM exhibited some cytotoxicity that varied according to extract concentration and time of evaluation. MTA Fillapex presented the highest cytotoxic effects with significant reduction of metabolic activity/cell viability when compared to Bio-C Sealer and Cimmo HP®. TNF-α was significantly upregulated by the three tested cements (p < 0.05) while only MTA Fillapex significantly upregulated IL-10 in comparison to control. Taken collectively, the results showed that PBS Cimmo HP®, Bio-C Sealer and MTA Fillapex present mild and transient cytotoxicity and slightly induced TNF-α production. MTA Fillapex upregulated IL-10 release by hPDLSCs.
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Affiliation(s)
- Marlus da Silva Pedrosa
- University of São Paulo - USP, School of Dentistry, Department of Biomaterials and Oral Biology, São Paulo, SP, Brazil
| | - Tomaz Alves
- University of São Paulo - USP, School of Dentistry, Department of Biomaterials and Oral Biology, São Paulo, SP, Brazil
| | - Fernando Neves Nogueira
- University of São Paulo - USP, School of Dentistry, Department of Biomaterials and Oral Biology, São Paulo, SP, Brazil
| | - Marinella Holzhausen
- University of São Paulo - USP, School of Dentistry, Discipline of Periodontology, Department of Stomatology, São Paulo, SP, Brazil
| | - Carla Renata Sipert
- University of São Paulo - USP, School of Dentistry, University of São Paulo, São Paulo, SP, Brazil
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The Development of Light-Curable Calcium-Silicate-Containing Composites Used in Odontogenic Regeneration. Polymers (Basel) 2021; 13:polym13183107. [PMID: 34578012 PMCID: PMC8468725 DOI: 10.3390/polym13183107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/04/2021] [Accepted: 09/13/2021] [Indexed: 12/14/2022] Open
Abstract
Pulp regeneration is one of the most successful areas in the field of tissue regeneration, despite its current limitations. The biocompatibility of endodontic biomaterials is essential in securing the oral microenvironment and supporting pulp tissue regeneration. Therefore, the objective of this study was to investigate the new light-curable calcium silicate (CS)-containing polyethylene glycol diacrylate (PEGDA) biocomposites’ regulation of human dental pulp stem cells (hDPSCs) in odontogenic-related regeneration. The CS-containing PEGDA (0 to 30 wt%) biocomposites are applied to endodontics materials to promote their mechanical, bioactive, and biological properties. Firstly, X-ray diffraction and Fourier-transform infrared spectroscopy showed that the incorporation of CS increased the number of covalent bonds in the PEGDA. The diameter tension strength of the CS-containing PEGDA composite was significantly higher than that of normal PEGDA, and a different microstructure was detected on the surface. Samples were analyzed for their surface characteristics and Ca/Si ion-release profiles after soaking in simulated body fluid for different periods of time. The CS30 group presented better hDPSC adhesion and proliferation in comparison with CS0. Higher values of odontogenic-related biomarkers were found in hDPSCs on CS30. Altogether, these results prove the potential of light-curable CS-containing PEGDA composites as part of a ‘point-of-care’ strategy for application in odontogenesis-related regeneration.
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Sanz JL, Guerrero-Gironés J, Pecci-Lloret MP, Pecci-Lloret MR, Melo M. Biological interactions between calcium silicate-based endodontic biomaterials and periodontal ligament stem cells: A systematic review of in vitro studies. Int Endod J 2021; 54:2025-2043. [PMID: 34338339 DOI: 10.1111/iej.13600] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 07/16/2021] [Accepted: 07/29/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Most recently, the biological interactions, that is cytocompatibility, cell differentiation and mineralization potential, between calcium silicate-based biomaterials and periodontal ligament stem cells (PDLSCs) have been studied at an in vitro level, in order to predict their clinical behaviour during endodontic procedures involving direct contact with periodontal tissues, namely root canal treatment, endodontic surgery and regenerative endodontic treatment. OBJECTIVE The aim of the present systematic review was to present a qualitative synthesis of available in vitro studies assessing the biological interaction of PDLSCs and calcium silicate-based biomaterials. METHODOLOGY The present review followed PRISMA 2020 guidelines. An advanced database search was performed in Medline, Scopus, Embase, Web of Science and SciELO on 1 July 2020 and last updated on 22 April 2021. Studies assessing the biological interactions of PDLSCs with calcium silicate-based sealers (CSSs) and/or cements (CSCs) at an in vitro level were considered for inclusion. The evaluation of the 'biological interaction' was defined as any assay or test on the cytotoxicity, cytocompatibility, cell plasticity or differentiation potential, and bioactive properties of PDLSCs cultured in CSC or CSS-conditioned media. Quality (risk of bias) was assessed using a modified CONSORT checklist for in vitro studies of dental materials. RESULTS A total of 20 studies were included for the qualitative synthesis. CSCs and CSSs, as a group of endodontic materials, exhibit adequate cytocompatibility and favour the osteo/cementogenic differentiation and mineralization potential of PDLSCs, as evidenced from the in vitro studies included in the present systematic review. DISCUSSION The influence of the compositional differences, inclusion of additives, sample preparation, and varying conditions and manipulations on the biological properties of calcium silicate-based materials remain a subject for future research. CONCLUSIONS Within the limitations of the in vitro nature of the included studies, this work supports the potential use of calcium silicate-based endodontic materials in stem cell therapy and biologically based regenerative endodontic procedures. REGISTRATION OSF Registries; https://doi.org/10.17605/OSF.IO/SQ9UY.
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Affiliation(s)
- José Luis Sanz
- Departament d'Estomatologia, Facultat de Medicina I Odontologia, Universitat de València, Valencia, Spain
| | - Julia Guerrero-Gironés
- Department of Dermatology, Stomatology, Radiology and Physical Medicine, Faculty of Medicine, Morales Meseguer Hospital, University of Murcia, Murcia, Spain
| | - María P Pecci-Lloret
- Department of Dermatology, Stomatology, Radiology and Physical Medicine, Faculty of Medicine, Morales Meseguer Hospital, University of Murcia, Murcia, Spain
| | - Miguel R Pecci-Lloret
- Department of Dermatology, Stomatology, Radiology and Physical Medicine, Faculty of Medicine, Morales Meseguer Hospital, University of Murcia, Murcia, Spain
| | - María Melo
- Departament d'Estomatologia, Facultat de Medicina I Odontologia, Universitat de València, Valencia, Spain
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