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Aksoy M, Karadaş Bakirhan N, Yücel Ç, Atak D, Topsakal KG, Bal C. Assessment of the biointeractivity of a novel vital pulp therapy agent derived from eggshell biowaste: An in vitro study. AUST ENDOD J 2024; 50:78-88. [PMID: 37964493 DOI: 10.1111/aej.12809] [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: 01/02/2023] [Revised: 09/02/2023] [Accepted: 10/19/2023] [Indexed: 11/16/2023]
Abstract
This study aimed to assess the calcium (Ca2+) and hydroxyl (OH-) ion-releasing ability, namely the biointeractivity of eggshell-derived hydroxyapatite (ESDHA) in comparison with mineral trioxide aggregate (MTA) and calcium hydroxide (CH). ESDHA, MTA and CH samples (n = 10; 8 × 1.6 mm) were immersed in 10 mL of deionised water (37°C, pH 6.8). Ca2+ and OH- ion releases were detected in 1, 7 and 21 days. Scanning electron microscopy and Fourier transform infrared spectroscopy analyses were also conducted. IBM SPSS 20.0 was used for statistical analyses. The cumulative Ca2+ ions (56.22 ± 11.28 ppm) were detected as most significant in ESDHA (day 21; p < 0.05). The OH- ion values of the ESDHA group were statistically higher than MTA and CH (days 1 and 7; p < 0.05). ESDHA and CH showed a similar pattern with sharp peaks in Ca2+, oxygen and carbon elements. ESDHA being a sustainable material with a high ion-releasing ability may be a preferable alternative to the commercial vital pulp therapy agents.
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Affiliation(s)
- Merve Aksoy
- Department of Pediatric Dentistry, Faculty of Dental Medicine, University of Health Sciences, Ankara, Turkey
| | - Nurgül Karadaş Bakirhan
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Health Sciences, Ankara, Turkey
| | - Çiğdem Yücel
- Department of Biochemistry, Faculty of Pharmacy, University of Health Sciences, Ankara, Turkey
| | - Demet Atak
- Department of Pediatric Dentistry, Faculty of Dental Medicine, University of Health Sciences, Ankara, Turkey
| | - Kübra Gülnur Topsakal
- Department of Orthodontics, Faculty of Dental Medicine, University of Health Sciences, Ankara, Turkey
| | - Cenkhan Bal
- Department of Pediatric Dentistry, Faculty of Dental Medicine, University of Health Sciences, Ankara, Turkey
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Vasconcellos BC, Tavares LCT, da Silva DC, Fonseca FO, Benetti F, Sobrinho APR, Tavares WLF. High-plasticity mineral trioxide aggregate and its effects on M1 and M2 macrophage viability and adherence, phagocyte activity, production of reactive oxygen species, and cytokines. Restor Dent Endod 2023; 48:e6. [PMID: 36875810 PMCID: PMC9982239 DOI: 10.5395/rde.2023.48.e6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 10/24/2022] [Accepted: 10/24/2022] [Indexed: 01/11/2023] Open
Abstract
Objectives This study evaluated the effects of high-plasticity mineral trioxide aggregate (MTA-HP) on the activity of M1 and M2 macrophages, compared to white MTA (Angelus). Materials and Methods Peritoneal inflammatory M1 (from C57BL/6 mice) and M2 (from BALB/c mice) macrophages were cultured in the presence of the tested materials. Cell viability (MTT and trypan blue assays), adhesion, phagocytosis, reactive oxygen species (ROS) production, and tumor necrosis factor (TNF)-α and transforming growth factor (TGF)-β production were evaluated. Parametric analysis of variance and the non-parametric Kruskal-Wallis test were used. Results were considered significant when p < 0.05. Results The MTT assay revealed a significant decrease in M1 metabolism with MTA-HP at 24 hours, and with MTA and MTA-HP later. The trypan blue assay showed significantly fewer live M1 at 48 hours and live M2 at 48 and 72 hours with MTA-HP, compared to MTA. M1 and M2 adherence and phagocytosis showed no significant differences compared to control for both materials. Zymosan A stimulated ROS production by macrophages. In the absence of interferon-γ, TNF-α production by M1 did not significantly differ between groups. For M2, both materials showed higher TNF-α production in the presence of the stimulus, but without significant between-group differences. Likewise, TGF-β production by M1 and M2 macrophages was not significantly different between the groups. Conclusions M1 and M2 macrophages presented different viability in response to MTA and MTA-HP at different time points. Introducing a plasticizer into the MTA vehicle did not interfere with the activity of M1 and M2 macrophages.
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Affiliation(s)
- Betânia Canal Vasconcellos
- Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Layara Cristine Tomaz Tavares
- Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Danilo Couto da Silva
- Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Francielen Oliveira Fonseca
- Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Francine Benetti
- Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Antônio Paulino Ribeiro Sobrinho
- Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Warley Luciano Fonseca Tavares
- Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
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Song X, Díaz-Cuenca A. Sol-Gel Synthesis of Endodontic Cements: Post-Synthesis Treatment to Improve Setting Performance and Bioactivity. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15176051. [PMID: 36079433 PMCID: PMC9457680 DOI: 10.3390/ma15176051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/08/2022] [Accepted: 08/12/2022] [Indexed: 06/01/2023]
Abstract
The sol-gel process is a wet chemical technique that allows very fine control of the composition, microstructure, and final textural properties of materials, and has great potential for the synthesis of endodontic cements with improved properties. In this work, the influence of different sol-gel synthesis variables on the preparation of endodontic cement based on calcium silicate with Ca/Si stoichiometry equal to 3 was studied. Starting from the most optimal hydraulic composition selected, a novel second post-synthesis treatment using ethanol was essayed. The effects of the tested variables were analyzed by X-ray diffraction, infrared spectroscopy, scanning electron microscopy, nitrogen physisorption, and Gillmore needles to determine the setting time and simulated body fluid (SBF) immersion to measure the bioactive response in vitro. The results indicated that the sol-gel technique is effective in obtaining bioactive endodontic cements (BECs) with high content of the hydraulic compound tricalcium silicate (C3S) in its triclinic polymorph. The implementation of a novel post-synthesis treatment at room temperature using ethanol allows obtaining a final BEC product with a finer particle size and a higher CaCO3 content, which results in an improved material in terms of setting time and bioactive response.
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Affiliation(s)
- Xiaozhe Song
- Materials Science Institute of Seville (ICMS), Joint CSIC-University of Seville Center, 41092 Seville, Spain
| | - Aránzazu Díaz-Cuenca
- Materials Science Institute of Seville (ICMS), Joint CSIC-University of Seville Center, 41092 Seville, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain
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Abu Hasna A, de Paula Ramos L, Campos TMB, de Castro Lopes SLP, Rachi MA, de Oliveira LD, Carvalho CAT. Biological and chemical properties of five mineral oxides and of mineral trioxide aggregate repair high plasticity: an in vitro study. Sci Rep 2022; 12:14123. [PMID: 35986029 PMCID: PMC9391469 DOI: 10.1038/s41598-022-17854-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 08/02/2022] [Indexed: 12/31/2022] Open
Abstract
Calcium silicate-based cements have diverse applications in endodontics. This study aimed to evaluate the antibiofilm action, biocompatibility, morphological structure, chemical composition and radiopacity of Five Mineral Oxides (5MO), Mineral Trioxide Aggregate Repair High Plasticity (MTA Repair HP), and Mineral Trioxide Aggregate (MTA) cements. MTT analysis was used to test the antibiofilm action of these cements against five anaerobic microorganisms, and test their biocompatibility with mouse macrophage (RAW 264.7) and osteoblasts (MG-63) cultures. Their morphological structure and chemical composition were evaluated by scanning electron microscopy (SEM) coupled to energy dispersion X-ray spectroscopy (EDX), and the phase analysis was performed by X-ray diffraction (XRD). Conventional radiography was used to assess the radiopacity of the cements. 5MO, MTA Repair HP and MTA were effective against Porphyromonas gingivalis, Parvimonas micra, Fusobacterium nucleatum and Prevotella intermedia, they were biocompatible with macrophages and osteoblasts after 5 min of contact, and they had adequate radiopacity to be used clinically. Bismuth oxide (Bi2O3) is used as a radiopacifier in MTA and 5MO, and calcium tungstate, in MTA Repair HP. Titanium dioxide (TiO2) (ANATASE) is responsible for the antimicrobial action and biocompatibility of 5MO.
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Affiliation(s)
- Amjad Abu Hasna
- grid.410543.70000 0001 2188 478XDepartment of Restorative Dentistry, Endodontics Division, Institute of Science and Technology, São Paulo State University – UNESP, Av. Eng. Francisco José Longo Avenue 777, São José dos Campos, São Paulo CEP 12245-000 Brazil
| | - Lucas de Paula Ramos
- grid.410543.70000 0001 2188 478XDepartment of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University – UNESP, São José dos Campos, São Paulo Brazil
| | - Tiago Moreira Bastos Campos
- grid.419270.90000 0004 0643 8732Physics Department, Aeronautics Technological Institute (ITA), São José dos Campos, São Paulo Brazil
| | - Sergio Lucio Pereira de Castro Lopes
- grid.410543.70000 0001 2188 478XDepartment of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University – UNESP, São José dos Campos, São Paulo Brazil
| | - Maisour Ala Rachi
- grid.449576.d0000 0004 5895 8692Department of Operative Dentistry, Syrian Private University (S.P.U), Damascus, Syria
| | - Luciane Dias de Oliveira
- grid.410543.70000 0001 2188 478XDepartment of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University – UNESP, São José dos Campos, São Paulo Brazil
| | - Cláudio Antonio Talge Carvalho
- grid.410543.70000 0001 2188 478XDepartment of Restorative Dentistry, Endodontics Division, Institute of Science and Technology, São Paulo State University – UNESP, Av. Eng. Francisco José Longo Avenue 777, São José dos Campos, São Paulo CEP 12245-000 Brazil
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Morphological and Chemical Analysis of Different Types of Calcium Silicate-Based Cements. Int J Dent 2022; 2022:6480047. [PMID: 35633889 PMCID: PMC9135564 DOI: 10.1155/2022/6480047] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 03/16/2022] [Accepted: 04/23/2022] [Indexed: 11/18/2022] Open
Abstract
Objectives. Particle size and shape can influence the properties of materials. However, to improve the physicochemical and biological properties of mineral trioxide aggregate (MTA), silicate-based hydraulic cements were introduced. This study aimed to evaluate and compare the major constituents and crystalline structures along with the surface morphology of different types of calcium silicate-based cement (CSC). Materials and Methods. Six different types of CSC (white Portland cement, white ProRoot MTA, white MTA Angelus, Biodentine, and Endosequence, both putty and paste) were used in this study. Five samples of each material were analyzed in both uncured and cured cement using scanning electron microscopy/energy-dispersive X-ray (SEM/EDX), X-ray diffraction (XRD), and Fourier transform-infrared spectroscopy (FTIR). Results. SEM analysis showed that the surfaces of all materials consisted of particle sizes ranging from 0.194 μm to approximately 51.82 μm. The basic elements found in both uncured and cured cement of all tested materials using EDX were carbon, calcium, silicon, and oxygen. A difference was observed in the presence or absence of magnesium, aluminum, bismuth, zirconium, and tantalum. XRD showed that all tested materials were composed mainly of tricalcium silicate and dicalcium silicate, which are the main components of Portland cement. FTIR analysis showed aromatic rings, phosphine PH, alkyl halides, and alcohol O-H groups in all tested materials but at different wavenumbers. Conclusions. The different types of CSCs tested in this study were primarily modified types of Portland cement with the addition of radiopacifiers. ProRoot MTA and MTA Angelus contained bismuth oxide, Biodentine contains zirconium oxide, whereas Endosequence root repair materials (both putty and paste) contained zirconium oxide and tantalum oxide. Endosequence root repair materials showed smaller particle sizes than the other groups. White PC had the most irregular and large particle sizes. CSC had a smaller particle size, except for MTA Angelus. Clinical Relevance. The composition of CSC has a direct influence on the properties of these cements, which may affect the clinical outcome of the treatment.
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Rabello CZ, Kopper PMP, Ferri LJM, Signor B, Hashizumi LN, Fontanella VRC, Grecca FS, Scarparo RK. Physicochemical properties of three bioceramic cements. Braz Oral Res 2022; 36:e069. [PMID: 36507756 DOI: 10.1590/1807-3107bor-2022.vol36.0069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 03/22/2021] [Indexed: 12/15/2022] Open
Abstract
This study aimed to compare the physicochemical properties of MTA Angelus (MTA-A), MTA Repair HP (MTA-HP), and Biodentine (BD). Setting times (n = 7) were determined in accordance with ASTM C266-15. Solubility (n = 11), pH (n = 10), and calcium ion release (n = 10) were evaluated up to 28 days in accordance with ANSI/ADA specification no. 57. Radiopacity was assessed by ANSI/ADA (n = 10) and the tissue simulator method (n = 10). In both methods, the specimens were radiographed using an aluminum stepwedge and the digital radiographs were analyzed in Adobe Photoshop, determining the mean grayscale pixel values of the materials, of the 3-mm aluminum stepwedge, and of the dentin, the latter of which was analyzed on the tissue simulator. The data obtained from each test were statistically analyzed and compared (p < 0.05). MTA-A presented longer final setting time compared with the other materials. There were no significant differences in the mass values of materials during the experiment. All materials presented an alkaline pH. BD promoted greater calcium ion release in most of the experimental periods. All materials presented appropriate radiopacity. BD showed lower radiopacity than MTA-A in the tissue simulator method. All groups presented higher radiopacity in the tissue simulator when compared with the ANSI/ADA method. MTA-A, MTA-HP, and BD showed appropriate physicochemical properties and radiopacity, and were considered suitable to be used in clinical practice.
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Affiliation(s)
| | | | | | - Bruna Signor
- Universidade Federal do Rio Grande do Sul - UFRGS, Graduate Program, Porto Alegre, RS, Brazil
| | - Lina Naomi Hashizumi
- Universidade Federal do Rio Grande do Sul - UFRGS, Graduate Program, Porto Alegre, RS, Brazil
| | | | - Fabiana Soares Grecca
- Universidade Federal do Rio Grande do Sul - UFRGS, Graduate Program, Porto Alegre, RS, Brazil
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Franzin NRS, Sostena MMDS, Santos ADD, Moura MR, Camargo ERD, Hosida TY, Delbem ACB, Moraes JCS. Novel pulp capping material based on sodium trimetaphosphate: synthesis, characterization, and antimicrobial properties. J Appl Oral Sci 2022; 30:e20210483. [PMID: 35352770 PMCID: PMC8963389 DOI: 10.1590/1678-7757-2021-0483] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 12/20/2021] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES To evaluate the mechanical, physicochemical, and antimicrobial properties of four different formulations containing micro- or nanoparticles of sodium trimetaphosphate (mTMP and nTMP, respectively). METHODOLOGY Four experimental groups were used in this investigation: two mTMP groups and two nTMP groups, each containing zirconium oxide (ZrO2), and solution containing either chitosan or titanium oxide (TiO2) nanoparticles (NPs). Setting time, compression resistance, and radiopacity were estimated. The agar diffusion test was used to assess the antimicrobial activity of the formulations against five different microbial strains: Streptococcus mutans, Lactobacillus casei, Actinomyces israelii, Candida albicans, and Enterococcus faecalis. Parametric and nonparametric tests were performed after evaluating homoscedasticity data (p<0.05). RESULTS From the properties evaluated, nTMP cements required less setting time and showed greater resistance to compression. Cements containing TiO2 showed greater radiopacity for both nTMP and mTMP. All four cement formulations showed antimicrobial activity against S. mutans and L. casei. CONCLUSION Formulations containing nTMP have shorter setting times and higher compressive strength, and those with TiO2 nanoparticles showed antimicrobial activities. Clinical relevance: The cement containing nTMP, ZrO2, and TiO2 could be an alternative material for protecting the pulp complex.
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Affiliation(s)
| | | | | | - Marcia Regina Moura
- Universidade Estadual Paulista (UNESP), Faculdade de Engenharia, Ilha Solteira, SP, Brasil
| | | | - Thayse Yumi Hosida
- Universidade Estadual Paulista (UNESP), Faculdade de Odontologia, Araçatuba, SP, Brasil
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Palczewska-Komsa M, Kaczor-Wiankowska K, Nowicka A. New Bioactive Calcium Silicate Cement Mineral Trioxide Aggregate Repair High Plasticity (MTA HP)-A Systematic Review. MATERIALS (BASEL, SWITZERLAND) 2021; 14:4573. [PMID: 34443098 PMCID: PMC8398617 DOI: 10.3390/ma14164573] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/06/2021] [Accepted: 08/12/2021] [Indexed: 12/14/2022]
Abstract
Bioactive calcium silicate cement Mineral Trioxide Aggregate (MTA) has been used for years as a gold standard in intravital pulp treatment and specialist endodontic procedures. Owing to flaws of the material, the manufacturers have been trying to enhance and produce materials showing improved physical, chemical and biological parameters. One of the new calcium-silicate cements based on mineral trioxide aggregate, however without some flaws exhibited by the cement, is Mineral Trioxide Aggregate Repair High Plasticity (MTA HP). The aim of the present paper was a systematic literature review concerning the MTA HP material used nowadays in dentistry, as a review of its specific features. The present paper is the first article providing a systematic literature review on MTA HP. The aim of the present article is the better understanding of MTA HP properties, which can aid the decision-making process in endodontic treatment.
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Affiliation(s)
| | - Kinga Kaczor-Wiankowska
- Department of Conservative Dentistry and Endodontics, Pomeranian Medical University in Szczecin, Powstancow Wielkopolskich 72, 70-111 Szczecin, Poland; (M.P.-K.); (A.N.)
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Comparative Surface Morphology, Chemical Composition, and Cytocompatibility of Bio-C Repair, Biodentine, and ProRoot MTA on hDPCs. MATERIALS 2020; 13:ma13092189. [PMID: 32397585 PMCID: PMC7254305 DOI: 10.3390/ma13092189] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/04/2020] [Accepted: 05/08/2020] [Indexed: 12/31/2022]
Abstract
Biocompatibility is an essential property for any vital pulp material that may interact with the dental pulp tissues. Accordingly, this study aimed to compare the chemical composition and ultrastructural morphology of Biodentine (Septodont, Saint Maur-des-Fosses, France), ProRoot MTA (Dentsply Tulsa Dental Specialties, Johnson City, TN, USA), and Bio-C Repair (Angelus, Londrina, PR, Brazil), as well as their biological effects on human dental pulp cells. Chemical element characterization of the materials was undertaken using scanning electron microscopy and energy dispersive X-ray analysis (SEM-EDX). The cytotoxicity was assessed by analyzing the cell viability (MTT assay), cell morphology (immunofluorescence assay), and cell attachment (flow cytometry assay). The results were statistically analyzed using ANOVA and Tukey’s test (p < 0.05). EDX revealed that ProRoot MTA and Biodentine were mostly composed of calcium, carbon, and oxygen (among others), whereas Bio-C Repair evidenced a low concentration of calcium and the highest concentration of zirconium. SEM showed adequate attachment of human dental pulp cells (hDPCS) to vital pulp materials and cytoskeletal alterations were not observed in the presence of material eluates. Remarkably, the undiluted Biodentine group showed higher viability than the control group cells (without eluates) at 24 h, 48 h, and 72 h (p < 0.001). Based on the evidence derived from an in vitro cellular study, it was concluded that Bio-C Repair showed excellent cytocompatibility that was similar to Biodentine and ProRoot MTA.
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Huang CS, Hsieh SC, Teng NC, Lee WF, Negi P, Belem WF, Wu HC, Yang JC. A Silk Fibroin Based Hydration Accelerator for Root Canal Filling Materials. Polymers (Basel) 2020; 12:E994. [PMID: 32344691 PMCID: PMC7240371 DOI: 10.3390/polym12040994] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 04/17/2020] [Accepted: 04/22/2020] [Indexed: 12/14/2022] Open
Abstract
Mineral trioxide aggregate (MTA) is widely used in various dental endodontic applications such as root-end filling, furcal perforation repair, and vital pulp therapy. In spite of many attempts to improve handling properties and reduce the discoloration of MTA, the ideal root canal filling material has yet to be fully developed. The objective of this study was to investigate the setting time, mechanical properties, and biocompatibility of MTA set by a silk fibroin solution. A 5 wt% silk fibroin (SF) solution (a novel hydration accelerant) was used to set SavDen® MTA and ProRoot® white MTA (WMTA). Changes in setting time, diametral tensile strength (DTS), material crystallization, in vitro cell viability, and cell morphology were assessed by Vicat needle measurement, a universal testing machine, scanning electron microscopy (SEM), and WST-1 assay, respectively. The initial setting time of ProRoot® MTA and SavDen® MTA experienced a drastic decrease of 83.9% and 42.1% when deionized water was replaced by 5 wt% SF solution as the liquid phase. The DTS of SavDen® MTA showed a significant increase after set by the SF solution in 24 h. A human osteoblast-like cell (MG-63)-based WST-1 assay revealed that both ProRoot® MTA and SavDen® MTA hydrated using SF solution did not significantly differ (p > 0.05) in cell viability. MG-63 cells with pseudopodia attachments and nuclear protrusions represent a healthier and more adherent status on the surface of MTA when set with SF solution. The results suggest that the 5 wt% SF solution may be used as an alternative hydration accelerant for MTA in endodontic applications.
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Affiliation(s)
- Ching-Shuan Huang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110-31, Taiwan; (C.-S.H.); (S.-C.H.); (N.-C.T.)
| | - Sung-Chih Hsieh
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110-31, Taiwan; (C.-S.H.); (S.-C.H.); (N.-C.T.)
- Department of Dentistry, Taipei Municipal Wan-Fang Hospital, Taipei 116-96, Taiwan
| | - Nai-Chia Teng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110-31, Taiwan; (C.-S.H.); (S.-C.H.); (N.-C.T.)
- Department of Dentistry, Taipei Medical University Hospital, Taipei 110-31, Taiwan
| | - Wei-Fang Lee
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan;
| | - Poonam Negi
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan 173 212, India;
| | - Wendimi Fatimata Belem
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 110-31, Taiwan;
| | - Hsuan-Chen Wu
- Department of Biochemical Science and Technology, National Taiwan University, Taipei 106, Taiwan;
| | - Jen-Chang Yang
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 110-31, Taiwan;
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 110-31, Taiwan
- Research Center of Biomedical Device, Taipei Medical University, Taipei 110-52, Taiwan
- Research Center of Digital Oral Science and Technology, Taipei Medical University, Taipei 110-52, Taiwan
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A Microstructure Insight of MTA Repair HP of Rapid Setting Capacity and Bioactive Response. MATERIALS 2020; 13:ma13071641. [PMID: 32252262 PMCID: PMC7178307 DOI: 10.3390/ma13071641] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 03/26/2020] [Accepted: 03/30/2020] [Indexed: 02/06/2023]
Abstract
Mineral trioxide aggregate (MTA) is considered a bioactive endodontic material, which promotes natural mineralization at the material-tooth tissue interface. MTA Repair HP stands out because of the short setting time and the quick and effective bioactive response in vitro. The bioactivity, depens on material composition and microstructure. This work is devoted to analyze MTA Repair HP microstructural features, of both the powder precursor and set material, to get insights into the material physicochemical parameters—functionality performance relationships. Transmission electron microscopy (TEM), and field emission gun scanning electron microscopy (FEG-SEM) coupled with energy-dispersive X-ray (EDX) analyses were performed. X-ray diffraction (XRD) measurements were carried out at different times to investigate setting process. Bioactivity evaluation in vitro was carried out by soaking the processed cement disk in simulated body fluid (SBF). The presented results point out those MTA Repair HP precursor material characteristics of tricalcium silicate particles of nanometric size and high aspect ratio, which provide an elevated surface area and maximized components dispersion of calcium silicate and very reactive calcium aluminate. The MTA Repair HP precursor powder nanostructure and formulation, allows a hydration process comprising silicate hydrate structures, which are very effective to achieve both fast setting and efficient bioactive response.
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