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da Rosa AF, Amaral TS, Paz Dotto ME, Goulart TS, Rossetto HL, Bortoluzzi EA, Teixeira CDS, Garcia LDFR. Physicochemical properties of a calcium aluminate cement containing nanoparticles of zinc oxide. Restor Dent Endod 2023; 48:e3. [PMID: 36875816 PMCID: PMC9982238 DOI: 10.5395/rde.2023.48.e3] [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: 08/22/2022] [Revised: 09/27/2022] [Accepted: 10/04/2022] [Indexed: 12/24/2022] Open
Abstract
Objectives This study evaluated the effect of different nanoparticulated zinc oxide (nano-ZnO) and conventional-ZnO ratios on the physicochemical properties of calcium aluminate cement (CAC). Materials and Methods The conventional-ZnO and nano-ZnO were added to the cement powder in the following proportions: G1 (20% conventional-ZnO), G2 (15% conventional-ZnO + 5% nano-ZnO), G3 (12% conventional-ZnO + 3% nano-ZnO) and G4 (10% conventional-ZnO + 5% nano-ZnO). The radiopacity (Rad), setting time (Set), dimensional change (Dc), solubility (Sol), compressive strength (Cst), and pH were evaluated. The nano-ZnO and CAC containing conventional-ZnO were also assessed using scanning electron microscopy, transmission electron microscopy, and energy-dispersive X-ray spectroscopy. Radiopacity data were analyzed by the 1-way analysis of variance (ANOVA) and Bonferroni tests (p < 0.05). The data of the other properties were analyzed by the ANOVA, Tukey, and Fisher tests (p < 0.05). Results The nano-ZnO and CAC containing conventional-ZnO powders presented particles with few impurities and nanometric and micrometric sizes, respectively. G1 had the highest Rad mean value (p < 0.05). When compared to G1, groups containing nano-ZnO had a significant reduction in the Set (p < 0.05) and lower values of Dc at 24 hours (p < 0.05). The Cst was higher for G4, with a significant difference for the other groups (p < 0.05). The Sol did not present significant differences among groups (p > 0.05). Conclusions The addition of nano-ZnO to CAC improved its dimensional change, setting time, and compressive strength, which may be promising for the clinical performance of this cement.
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Affiliation(s)
- Amanda Freitas da Rosa
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Thuany Schmitz Amaral
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Maria Eduarda Paz Dotto
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Taynara Santos Goulart
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | | | - Eduardo Antunes Bortoluzzi
- Department of Diagnosis & Oral Health, Endodontics Division, University of Louisville, Louisville, KY, USA
| | - Cleonice da Silveira Teixeira
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Lucas da Fonseca Roberti Garcia
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, Brazil
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Bortoluzzi EA, da Silveira Teixeira C, Broon NJ, Consolaro A, Pinheiro TN, da Fonseca Roberti Garcia L, Pashley DH, Bramante CM. Tissue response to white mineral aggregate-based cement containing barium sulfate as alternative radiopacifier: A randomized controlled animal study. Microsc Res Tech 2021; 84:705-711. [PMID: 33089621 DOI: 10.1002/jemt.23629] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 10/05/2020] [Accepted: 10/10/2020] [Indexed: 11/07/2022]
Abstract
The purpose of this study was to investigate the tissue reaction stimulated by BaSO4 - and Bi2 O3 -containing White MTA Angelus, in comparison with Bi2 O3 -containing white Portland cement, and white ProRoot MTA. Thirty-six adult male Wistar rats (Rattus norvegicus), weighing between 250 and 300 g, were distributed into three groups (n = 12) in accordance with the period of sacrifice (15, 30, and 60 days). Four polyethylene tubes filled with the tested cements were implanted into the dorsum of each rat. Lateral wall of the tubes served as the negative control. After the experimental periods, the animals were euthanized by overdose of pentobarbital anesthetic solution, and the specimens were prepared for microscopic analysis under ×50, ×100, and ×400 magnifications. Inflammatory scores (0-3) were used to grade the tissue reaction. Data were analyzed by the Kruskal-Wallis test and Dunn's test for individual comparisons (p < .05). A mild to moderate inflammatory tissue reaction was observed at the 15-day period, which decreased over the course of the periods for all cements, except for Portland cement. There was no significant difference among the tissue responses for ProRoot MTA, BaSO4 - and Bi2 O3 -containing White MTA Angelus at the 60-day period (p > .05). The Portland group had moderate inflammatory reaction at the final period of analysis, which was statistically different when compared to the other groups (p < .05). The microscopic findings of this animal study suggest that the addition of BaSO4 to White MTA Angelus does not hampers the biocompatibility of the cement.
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Affiliation(s)
- Eduardo Antunes Bortoluzzi
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Cleonice da Silveira Teixeira
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Norberto J Broon
- Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Mexico City, Mexico
| | - Alberto Consolaro
- Department of Surgery, Stomatology, Pathology and Radiology, Bauru Dental School, University of São Paulo, Bauru, São Paulo, Brazil
| | - Tiago Novaes Pinheiro
- Superior School of Health Sciences, State University of Amazonas, Manaus, Amazonas, Brazil
| | - Lucas da Fonseca Roberti Garcia
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - David H Pashley
- Department of Oral Biology and Diagnostic Sciences, The Dental College of Georgia, Augusta University, 1120 15th Street, Augusta, Georgia, USA
| | - Clovis Monteiro Bramante
- Department of Dentistry, Endodontics and Dental Materials, Bauru Dental School, University of São Paulo, Bauru, São Paulo, Brazil
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Evaluation of Chitosan Hydrogel for Sustained Delivery of VEGF for Odontogenic Differentiation of Dental Pulp Stem Cells. Stem Cells Int 2019; 2019:1515040. [PMID: 31949434 PMCID: PMC6942904 DOI: 10.1155/2019/1515040] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 11/14/2019] [Accepted: 11/25/2019] [Indexed: 02/05/2023] Open
Abstract
The pulpotomy with pulp capping is aimed at retaining vital pulp with reparative dentin formation. Vascular endothelial growth factor (VEGF) plays a crucial role in dentin regeneration; however, its constant administrations in the human body is still problematic. Chitosan was widely studied as an effective carrier to deliver bioactive molecules in regenerative medicine. In this study, we conducted a chitosan/β-glycerophosphate (CS/β-GP) hydrogel as a VEGF-sustained release system and explored its effects on dental pulp stem cells (DPSCs). CS/β-GP hydrogel was manufactured using a sol-gel method. SEM assay showed the spongy and porous microstructure of the lyophilized hydrogels. DPSCs cultured in the CS/β-GP hydrogel kept adhesion and vitality. CCK-8 assay tested the promoted proliferation activity of DPSCs on the hydrogel. Besides, the added VEGF protein could continually release from VEGF/CS/β-GP hydrogel. The VEGF/CS/β-GP hydrogel could promote the odontogenic differentiation of DPSCs better than VEGF treatment without hydrogel. Our results suggested that CS/β-GP hydrogel could continually release VEGF and contribute to odontogenic differentiation of DPSCs, thus may become a potential carrier of bioactive molecules in pulp capping therapy.
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Messias NS, Grisote G, Martorano AS, Fernandes RR, Oliveira IRD, Bombonato-Prado KF, Oliveira PTD, Castro-Raucci LMSD. Impact of calcium aluminate cement with additives on dental pulp-derived cells. J Appl Oral Sci 2019; 28:e20190105. [PMID: 31800873 PMCID: PMC6886393 DOI: 10.1590/1678-7757-2019-0105] [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: 02/19/2019] [Accepted: 06/10/2019] [Indexed: 11/29/2022] Open
Abstract
Calcium aluminate cement (CAC) has been highlighted as a promising alternative for endodontic use aiming at periapical tissue repair. However, its effects on dental pulp cells have been poorly explored. Objective: This study assessed the impact of calcium chloride (CaCl2) and bismuth oxide (Bi2O3) or zinc oxide (ZnO) additives on odontoblast cell response to CAC. Methodology: MDPC-23 cells were exposed for up to 14 d: 1) CAC with 2.8% CaCl2 and 25% ZnO (CACz); 2) CAC with 2.8% CaCl2 and 25% Bi2O3 (CACb); 3) CAC with 10% CaCl2 and 25% Bi2O3 (CACb+); or 4) mineral trioxide aggregate (MTA), placed on inserts. Non-exposed cultures served as control. Cell morphology, cell viability, gene expression of alkaline phosphatase (ALP), bone sialoprotein (BSP), and dentin matrix protein 1 (DMP-1), ALP activity, and extracellular matrix mineralization were evaluated. Data were compared using ANOVA (α=5%). Results: Lower cell density was detected only for MTA and CACb+ compared with Control, with areas showing reduced cell spreading. Cell viability was similar among groups at days one and three (p>0.05). CACb+ and MTA showed the lowest cell viability values at day seven (p>0.05). CACb and CACb+ promoted higher ALP and BSP expression compared with CACz (p<0.05); despite that, all cements supported ALP activity. Matrix mineralization were enhanced in CACb+ and MTA. Conclusion: In conclusion, CAC with Bi2O3, but not with ZnO, supported the expression of odontoblastic phenotype, but only the composition with 10% CaCl2 promoted mineralized matrix formation, rendering it suitable for dentin-pulp complex repair.
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Affiliation(s)
- Nadyne Saab Messias
- Universidade de Ribeirão Preto, Faculdade de Odontologia, Ribeirão Preto, SP, Brasil
| | - Gabriela Grisote
- Universidade de Ribeirão Preto, Faculdade de Odontologia, Ribeirão Preto, SP, Brasil
| | | | - Roger Rodrigo Fernandes
- Universidade de São Paulo, Faculdade de Odontologia de Ribeirão Preto, Ribeirão Preto, SP, Brasil
| | - Ivone Regina de Oliveira
- Universidade do Vale do Paraíba, Instituto de Pesquisa e Desenvolvimento, São José dos Campos, SP, Brasil
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Bortoluzzi EA, Cassel de Araújo T, Carolina Corrêa Néis A, Cássia Dos Santos M, da Fonseca Roberti Garcia L, Dulcinéia Mendes Souza B, da Silveira Teixeira C. Effect of different water-to-powder ratios on the dimensional stability and compressive strength of mineral aggregate-based cements. Eur Oral Res 2019; 53:94-98. [PMID: 31309200 PMCID: PMC6614688 DOI: 10.26650/eor.20190050] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 01/17/2019] [Accepted: 02/13/2019] [Indexed: 11/20/2022] Open
Abstract
Purpose: The aim of this study was to evaluate the effect of different water-to-powder ratios
on the dimensional stability and compressive strength of Portland cement and
Mineral Trioxide Aggregate (MTA). Materials and methods: Five different volumes of distilled water (0.26; 0.28; 0.30; 0.33 and 0.35 mL) were used
for every 1 g of the cements. Twelve samples (12 mm long x 6 mm in diameter) were
prepared in Teflon molds. After measuring the initial length, the specimens were
stored in distilled water for 24 hours or 30 days. At the end of these time intervals,
the specimens were measured again, and the dimensional change was calculated.
The same samples used in the previous test were submitted to compression in a
universal test machine (1 mm/min-1). Results: Analysis of the dimensional stability results showed no statistical difference
between the cements, proportions and time intervals tested, or between their
interactions. After 24 hours, MTA was more resistant than Portland cement (p<0.05).
At 30 day-period, both cements had similar, and significantly higher resistance than
they did at 24 hours (p<0.05). Conclusion: The powder/water ratio had no influence on the dimensional stability of cements.
Compressive strength of Portland cement was affected at the proportions of 0.30 and 0.35 mL/g.
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Affiliation(s)
- Eduardo Antunes Bortoluzzi
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina,Florianópolis, SCBrazil
| | - Tchéli Cassel de Araújo
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina,Florianópolis, SCBrazil
| | - Ana Carolina Corrêa Néis
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina,Florianópolis, SCBrazil
| | - Michelli Cássia Dos Santos
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina,Florianópolis, SCBrazil
| | - Lucas da Fonseca Roberti Garcia
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina,Florianópolis, SCBrazil
| | - Beatriz Dulcinéia Mendes Souza
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina,Florianópolis, SCBrazil
| | - Cleonice da Silveira Teixeira
- Department of Dentistry - Endodontics Division, Health Sciences Center, Federal University of Santa Catarina,Florianópolis, SCBrazil
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Wu T, Yang S, Lu T, He F, Zhang J, Shi H, Lin Z, Ye J. Strontium ranelate simultaneously improves the radiopacity and osteogenesis of calcium phosphate cement. ACTA ACUST UNITED AC 2019; 14:035005. [PMID: 30731438 DOI: 10.1088/1748-605x/ab052d] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
In a minimally invasive surgery of osteoporotic fractures, high radiopacity is necessary to monitor the delivery and positioning of injectable cements and good osteogenesis is indispensable. In this work, strontium ranelate (SrR), an agent for treating osteoporosis, is firstly used as a radiopaque agent for calcium phosphate cement (CPC). The addition of SrR does not affect the hydration products of CPC, but prolonged the setting time and decreased the compressive strength. The injectability of the cement was higher than 85% when SrR content is more than 10 wt%. The radiopacity of CPC is significantly improved by SrR and higher than cortical bone when the content of SrR is more than 5 wt%. The concentration of Sr ions released from CPC is increased by the increasing content of SrR, which is among 17-1329 μM. Moreover, CPCs with SrR significantly promote the osteogenic differentiation of mouse bone marrow mesenchymal stem cells and inhibit the osteoclastogenic differentiation of RAW264.7 cells. Based on its good radiopacity and osteogenesis, suppressed osteoclastogenesis and appropriate physicochemical properties, the radiopaque CPC with more than 10 wt% SrR is prospective to be a promising biomaterial for osteoporotic fracture repairing in minimal invasive surgery.
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Affiliation(s)
- Tingting Wu
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, People's Republic of China. Institute of Orthopedic Diseases and Center for Joint Surgery and Sports Medicine, The First Affiliated Hospital of Jinan University, Guangzhou 510630, People's Republic of China. School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China
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Wu T, Yang S, Shi H, Ye J. Preparation and cytocompatibility of a novel bismuth aluminate/calcium phosphate cement with high radiopacity. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:149. [PMID: 30182158 DOI: 10.1007/s10856-018-6154-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 08/21/2018] [Indexed: 06/08/2023]
Abstract
In a minimally invasive surgery, using a bone cement being radiologically detectable is vital to the success of the procedure and avoiding cement leakage in the early stage. The radiopacity of calcium phosphate cement (CPC) is inadequate, thus limiting its clinic application in this area. In this work, bismuth aluminate (BiA) was employed as a radiopaque agent for CPC. The influences of BiA on physicochemical, radiopaque and in vitro biocompatible properties of CPC were investigated. With the increasing content of BiA, the setting time and the compressive strength of CPC were augmented, while the injectability of the cement pastes was reduced. The radiopacity of CPC was significantly improved by adding more than 6 wt.% BiA. CPC specimens with less than 12 wt.% BiA showed good cellular affinity. Moreover, the CPC containing 6 and 9 wt.% BiA promoted the cell growth and ALP activity of mouse bone marrow mesenchymal stem cells when compared with the control. On the basis of its improved radiopacity and cytocompatibility, the radiopaque CPC with 6 ~ 9 wt.% BiA is expected to be a potential substitute for bone defect restoration via minimally invasive surgery. CPC with bismuth aluminate reveals better radiopacity and cell affinity along with proper physicochemical properties.
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Affiliation(s)
- Tingting Wu
- Institute of Orthopedic Diseases and Center for Joint Surgery and Sports Medicine, The First Affiliated Hospital, Jinan University, Guangzhou, 510630, P.R. China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, P.R. China
| | - Shue Yang
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, P.R. China
- School of Materials Science and Engineering South, China University of Technology, Guangzhou, 510640, P.R. China
| | - Haishan Shi
- College of Chemistry and Materials, Jinan University, Guangzhou, 510632, P.R. China
| | - Jiandong Ye
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, P.R. China.
- School of Materials Science and Engineering South, China University of Technology, Guangzhou, 510640, P.R. China.
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Genotoxicity and Hemocompatibility of a Novel Calcium Aluminate-Based Cement. Eur Endod J 2018; 3:87-92. [PMID: 32161862 PMCID: PMC7006562 DOI: 10.14744/eej.2018.43531] [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: 04/29/2018] [Revised: 05/21/2018] [Accepted: 05/01/2018] [Indexed: 11/20/2022] Open
Abstract
Objective: The aim of this in vitro study was to evaluate the genotoxicity and hemocompatibility of a novel calcium aluminate-based cement, EndoBinder (EB) (Binderware, São Carlos, SP, Brazil) and compare it with Angelus White Mineral Trioxide Aggregate (MTA) (AWMTA) (Angelus, Soluções Odontológicas, Londrina, PR, Brazil). Methods: For evaluation of genotoxicity, a comet assay was performed with Chinese hamster ovary (CHO) cells that had been grown for 24 h in Dulbecco’s Modified Eagle Medium incubated with each of the cements for 24 h at 37°C. DNA percentage in head and Olive tail moment were analyzed. For assessment of hemocompatibility, erythrocyte lysis quantification, and concentration of plasma fibrinogen were determined in human blood samples placed in contact with each of the materials. One way analysis of variance (ANOVA) followed by post hoc Tukey test and Student t-test were used for data analysis of genotoxicity and hemocompatibility, respectively. Results: Results showed that the genotoxic effects of EB and AWMTA were comparable to that of the negative control, with no statistically significant differences between AWMTA and negative control (P>0.05). Compared to AWMTA, EB showed greater hemolytic potential when placed in direct contact with erythrocytes (P<0.05). Fibrinogen values were low for both materials, with protein concentration being greater in samples exposed to EB than to AWMTA. Conclusion: Both materials presented a higher hemolytic behaviour compared to what is established by international standards. Fibrinogen formation was low for both materials, and DNA damage induction was not observed in a comet assay.
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Castro-Raucci LMS, Teixeira LN, Barbosa AFS, Fernandes RR, Raucci-Neto W, Jacobovitz M, Oliveira IR, de Oliveira PT. Calcium chloride-enriched calcium aluminate cement promotes in vitro osteogenesis. Int Endod J 2018; 51:674-683. [PMID: 29226342 DOI: 10.1111/iej.12883] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 12/05/2017] [Indexed: 11/26/2022]
Abstract
AIM To evaluate the effects of 2.8% or 10% calcium chloride (CaCl2 ) in calcium aluminate cement (CAC) with either bismuth oxide (Bi2 O3 ) or zinc oxide (ZnO) as radiopacifiers on the progression of osteogenic cell cultures. METHODOLOGY Rat calvaria-derived cells were grown on Thermanox® coverslips for 24 h and exposed to samples of (i) CACb: with 2.8% CaCl2 and 25% Bi2 O3 ; (ii) CACb+: with 10% CaCl2 and 25% Bi2 O3 ; (iii) CACz: with 2.8% CaCl2 and 25% ZnO; or (iv) CACz+: with 10% CaCl2 and 25% ZnO, placed on inserts. Nonexposed cultures served as the control. Calcium and phosphorus contents in culture media were quantified. The effects of the cements on cell apoptosis, cell viability and acquisition of the osteogenic cell phenotype were evaluated. Data were compared by Kruskal-Wallis test (α = 5%). RESULTS CACb+ promoted the highest levels of calcium in the culture media; CACz+, the lowest levels of phosphorus (P < 0.05). CACz+ and CACb increased cell apoptosis (P < 0.05). CACb reduced cell viability (P < 0.05) and the expression of the osteoblastic phenotype. CACz+ and CACb+ promoted greater cell differentiation and matrix mineralization compared to CACz and CACb (P < 0.05). CONCLUSION For CAC with the lower CaCl2 content, the use of Bi2 O3 was detrimental for osteoblastic cell survival and differentiation compared to ZnO, while CAC with the higher CaCl2 content supported the acquisition of the osteogenic cell phenotype in vitro regardless of the radiopacifier used. Thus, CAC with 10% CaCl2 would potentially promote bone repair in the context of endodontic therapies.
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Affiliation(s)
- L M S Castro-Raucci
- School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.,School of Dentistry, University of Ribeirão Preto, Ribeirão Preto, Brazil
| | - L N Teixeira
- School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.,Department of Oral Pathology, São Leopoldo Mandic Institute and Research Center, Campinas, Brazil
| | - A F S Barbosa
- School of Dentistry, University of Ribeirão Preto, Ribeirão Preto, Brazil
| | - R R Fernandes
- School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - W Raucci-Neto
- School of Dentistry, University of Ribeirão Preto, Ribeirão Preto, Brazil
| | - M Jacobovitz
- School of Dentistry, Centro Universitário Paulista Central, São Carlos, Brazil
| | - I R Oliveira
- Institute for Research and Development, University of Vale do Paraíba, São José dos Campos, SP, Brazil
| | - P T de Oliveira
- School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
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Huck C, Barud HDS, Basso FG, Costa CADS, Hebling J, Garcia LDFR. Cytotoxicity of New Calcium Aluminate Cement (EndoBinder) Containing Different Radiopacifiers. Braz Dent J 2017; 28:57-64. [DOI: 10.1590/0103-6440201701023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Accepted: 11/09/2016] [Indexed: 11/21/2022] Open
Abstract
Abstract This study aimed to evaluate the cytotoxicity of a calcium aluminate cement (EndoBinder) containing different radiopacifiers, Bi2O3, ZnO or ZrO2, compared with Mineral Trioxide Aggregate (MTA). According to ISO 10993-12:2012 (E) recommendations, 0.2 g of each cement were applied in transwell inserts and placed in 24-well culture plates containing 1 mL of culture medium (DMEM). After 24 h of incubation, the extracts (DMEM containing components released from the cements) were applied to immortalized odontoblast-like MDPC-23 cells. Cell viability (MTT test), alkaline phosphatase activity (ALP), total protein production and cell morphology (Scanning Electron Microscopy - SEM) were evaluated. The volume of 50 µL of extract was used to determine the chemical elements released by the cements using Energy Dispersive Spectroscopy (EDS). The following groups were established (n=6): NC - negative control (without treatment); EB - EndoBinder without radiopacifier; EBBO - EndoBinder+Bi2O3; EBZnO - EndoBinder+ZnO; EBZrO - EndoBinder+ZrO2 and WMTA - White MTA. Data were subjected to statistical analysis (Kruskal-Wallis test, level of significance=5%). Cells exposed to the different versions of EndoBinder presented small reduction in viability, total protein production and ALP activity, with values similar to the NC and WMTA groups (p>0.05). Different elements (C, O, Na, Al, P, Si, Cl, Bi, K) released by the cements were detected in the extracts. However, the cells had no significant changes in their morphology. EndoBinder and MTA did not affect negatively the metabolism of the odontoblastic-like cells, showing it to be cytocompatible, irrespective of the used radiopacifier.
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Effects of a discoloration-resistant calcium aluminosilicate cement on the viability and proliferation of undifferentiated human dental pulp stem cells. Sci Rep 2015; 5:17177. [PMID: 26617338 PMCID: PMC4663481 DOI: 10.1038/srep17177] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 10/26/2015] [Indexed: 11/08/2022] Open
Abstract
Discoloration-resistant calcium aluminosilicate cement has been formulated to overcome the timely problem of tooth discoloration reported in the clinical application of bismuth oxide-containing hydraulic cements. The present study examined the effects of this experimental cement (Quick-Set2) on the viability and proliferation of human dental pulp stem cells (hDPSCs) by comparing the cellular responses with commercially available calcium silicate cement (white mineral trioxide aggregate; WMTA) after different aging periods. Cell viability and proliferation were examined using assays that examined plasma membrane integrity, leakage of cytosolic enzyme, caspase-3 activity for early apoptosis, oxidative stress, mitochondrial metabolic activity and intracellular DNA content. Results of the six assays indicated that both Quick-Set2 and WMTA were initially cytotoxic to hDPSCs after setting for 24 h, with Quick-Set2 being comparatively less cytotoxic than WMTA at this stage. After two aging cycles, the cytotoxicity profiles of the two hydraulic cements were not significantly different and were much less cytotoxic than the positive control (zinc oxide-eugenol cement). Based on these results, it is envisaged that any potential beneficial effect of the discoloration-resistant calcium aluminosilicate cement on osteogenesis by differentiated hDPSCs is more likely to be revealed after outward diffusion and removal of its cytotoxic components.
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Aguiar AS, Guerreiro-Tanomaru JM, Faria G, Leonardo RT, Tanomaru-Filho M. Antimicrobial Activity and pH of Calcium Hydroxide and Zinc Oxide Nanoparticles Intracanal Medication and Association with Chlorhexidine. J Contemp Dent Pract 2015; 16:624-629. [PMID: 26423497 DOI: 10.5005/jp-journals-10024-1732] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
AIM To evaluate pH and antibacterial activity of pastes with calcium hydroxide [Ca(OH)2] and zinc oxide (ZnO) microparticles (micro) or nanoparticles (nano) and association with 0.4% chlorhexidine against Enterococcus faecalis. MATERIALS AND METHODS The following pastes were analyzed: Ca(OH)2/ZnO micro, (2) Ca(OH)2/ZnO nano, (3) Ca(OH)2/ ZnO micro + 0.4% chlorhexidine, (4) Ca(OH)2/ZnO nano + 0.4% chlorhexidine. Antibacterial activity against E. faecalis was evaluated by agar diffusion test. The direct contact test on planktonic cells of E. faecalis was performed for 30 and 60 seconds. Root canals from bovine teeth were filled with the pastes and pH was evaluated after 1, 7, 14, 21, 30 and 60 days. The data obtained were submitted to the statistical tests analysis of variance (ANOVA) and Tukey or Kruskal-Wallis and Dunn test, with a 5% significance level. RESULTS Calcium hydroxide and zinc oxide nano, and the pastes with 0.4% chlorhexidine were more effective in agar diffusion test. In the direct contact test, the pastes with chlorhexidine showed the highest effect after 30 seconds. All pastes eliminated E. faecalis after 60 seconds. All pastes promoted an increase in pH. The highest increase in pH was observed with nanoparticle medications after 1 and 7 days (p < 0.05). After this period, the pastes presented similar pH increase. CONCLUSION It was concluded that calcium hydroxide and zinc oxide nanoparticles promoted greater initial alkalinization. The antimicrobial activity of the pastes against E. faecalis is favored by the association with chlorhexidine. CLINICAL SIGNIFICANCE Although nanoparticles of calcium hydroxide and zinc oxide promoted antibacterial effect, the activity against E. faecalis is favored by association with chlorhexidine.
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Affiliation(s)
- Alana Souza Aguiar
- Department of Restorative Dentistry, Araraquara Dental School, Sao Paulo, Brazil
| | | | - Gisele Faria
- Department of Restorative Dentistry, Araraquara Dental School, Sao Paulo, Brazil
| | | | - Mario Tanomaru-Filho
- Professor, Department of Restorative Dentistry, Araraquara Dental School, Sao Paulo, Brazil, Brazil, Phone: 551633016390, e-mail:
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Garcia LDFR, Huck C, Scardueli CR, de Souza Costa CA. Repair of Bone Defects Filled with New Calcium Aluminate Cement (EndoBinder). J Endod 2015; 41:864-70. [DOI: 10.1016/j.joen.2014.12.029] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 09/25/2014] [Accepted: 12/13/2014] [Indexed: 11/16/2022]
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Li S, Yu J, Wade MB, Policastro GM, Becker ML. Radiopaque, Iodine Functionalized, Phenylalanine-Based Poly(ester urea)s. Biomacromolecules 2015; 16:615-24. [DOI: 10.1021/bm501669u] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Shan Li
- Departments of †Polymer Science and ‡Biomedical Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Jiayi Yu
- Departments of †Polymer Science and ‡Biomedical Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Mary Beth Wade
- Departments of †Polymer Science and ‡Biomedical Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Gina M. Policastro
- Departments of †Polymer Science and ‡Biomedical Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Matthew L. Becker
- Departments of †Polymer Science and ‡Biomedical Engineering, The University of Akron, Akron, Ohio 44325, United States
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Silva EJNL, Herrera DR, Rosa TP, Duque TM, Jacinto RC, Gomes BPFDA, Zaia AA. Evaluation of cytotoxicity, antimicrobial activity and physicochemical properties of a calcium aluminate-based endodontic material. J Appl Oral Sci 2014; 22:61-7. [PMID: 24626250 PMCID: PMC3908766 DOI: 10.1590/1678-775720130031] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Accepted: 11/01/2013] [Indexed: 11/22/2022] Open
Abstract
UNLABELLED A calcium aluminate-based endodontic material, EndoBinder, has been developed in order to reduce MTA negative characteristics, preserving its biological properties and clinical applications. OBJECTIVES The aim of this study was to evaluate the cytotoxicity, antimicrobial activity, pH, solubility and water sorption of EndoBinder and to compare them with those of white MTA (WMTA). MATERIAL AND METHODS Cytotoxicity was assessed through a multiparametric analysis employing 3T3 cells. Antimicrobial activity against Enterococcus faecalis (ATCC 29212), Staphylococcus aureus. (ATCC 25923) and Candida albicans (ATCC 10556) was determined by the agar diffusion method. pH was measured at periods of 3, 24, 72 and 168 hours. Solubility and water sorption evaluation were performed following ISO requirements. Data were statistically analyzed by ANOVA and Tukey`s test with a significance level of 5%. RESULTS EndoBinder and WMTA were non-cytotoxic in all tested periods and with the different cell viability parameters. There was no statistical differences between both materials (P>.05). All tested materials were inhibitory by direct contact against all microbial strains tested. EndoBinder and WMTA presented alkaline pH in all tested times with higher values of pH for WMTA (P<.05). Both materials showed values complying with the solubility minimum requirements. However, EndoBinder showed lower solubility than WMTA (P<.05). No statistical differences were observed regarding water sorption (P>.05). CONCLUSION Under these experimental conditions, we concluded that the calcium aluminate-based endodontic material EndoBinder demonstrated suitable biological and physicochemical properties, so it can be suggested as a material of choice in root resorption, perforations and root-end filling.
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Affiliation(s)
- Emmanuel João Nogueira Leal Silva
- Grande Rio University, Health and Science Center, Rio de JaneiroRJ, Brazil, Health and Science Center, Grande Rio University (UNIGRANRIO), Rio de Janeiro, RJ, Brazil
| | - Daniel Rodrigo Herrera
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Tiago Pereira Rosa
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Thais Mageste Duque
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Rogério Castilho Jacinto
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Brenda Paula Figueiredo de Almeida Gomes
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Alexandre Augusto Zaia
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
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Roberti Garcia LDF, Chinelatti MA, Rossetto HL, Panzeri Pires-de-Souza FDC. Solubility and Disintegration of New Calcium Aluminate Cement (EndoBinder) Containing Different Radiopacifying Agents. J Endod 2014; 40:261-5. [DOI: 10.1016/j.joen.2013.07.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 07/22/2013] [Accepted: 07/22/2013] [Indexed: 10/26/2022]
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17
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Pires-de-Souza FDCP, Moraes PC, Garcia LDFR, Aguilar FG, Watanabe E. Evaluation of pH, calcium ion release and antimicrobial activity of a new calcium aluminate cement. Braz Oral Res 2013; 27:324-30. [DOI: 10.1590/s1806-83242013000400006] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2012] [Accepted: 05/08/2013] [Indexed: 11/22/2022] Open
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Oliveira IR, Andrade TL, Jacobovitz M, Pandolfelli VC. Bioactivity of Calcium Aluminate Endodontic Cement. J Endod 2013; 39:774-8. [DOI: 10.1016/j.joen.2013.01.013] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Revised: 01/08/2013] [Accepted: 01/30/2013] [Indexed: 11/30/2022]
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Ventura M, Sun Y, Rusu V, Laverman P, Borm P, Heerschap A, Oosterwijk E, Boerman OC, Jansen JA, Walboomers XF. Dual contrast agent for computed tomography and magnetic resonance hard tissue imaging. Tissue Eng Part C Methods 2012; 19:405-16. [PMID: 23259682 DOI: 10.1089/ten.tec.2012.0007] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Calcium phosphate cements (CPCs) are commonly used bone substitute materials, which closely resemble the composition of the mineral phase of bone. However, this high similarity to natural bone also results in difficult discrimination from the bone tissue by common imaging modalities, that is, plain X-ray radiography and three-dimensional computed tomography (CT). In addition, new imaging techniques introduced for bone tissue visualization, like magnetic resonance imaging (MRI), face a similar problem. Even at high MRI resolution, the lack of contrast between CPCs and surrounding bone is evident. Therefore, this study aimed to evaluate the feasibility of a dual contrast agent, traceable with both CT and MRI as enhancers of CPC/bone tissue contrast. Our formulation is based on the use of silica beads as vectors, which encapsulate and carry contrast-enhancing nanoparticles, in our case, colloidal Gold and Superparamagnetic Iron oxide particles (SPIO). The bead suspension was incorporated within a calcium phosphate powder. The resultant cements were then tested both in vitro and in vivo in a femoral condyle defect model in rats. Results showed that the mechanical properties of the cement were not significantly affected by the inclusion of the beads. Both in vitro and in vivo data proved the homogeneous incorporation of the contrast within the cement and its visual localization, characterized by a short-term CT contrast enhancement and a long-term MR effect recognizable by the characteristic blooming shape. Finally, no signs of adverse tissue reactions were noticed in vivo. In conclusion, this study proved the feasibility of a multimodal contrast agent as an inert and biocompatible enhancer of CaP cement versus bone tissue contrast.
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Affiliation(s)
- Manuela Ventura
- Department of Biomaterials, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
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Garcia LDFR, Aguilar FG, Rossetto HL, Sabino MG, Pires-de-Souza FDCP. Staining susceptibility of new calcium aluminate cement (EndoBinder) in teeth: a 1-yearin vitrostudy. Dent Traumatol 2012; 29:383-8. [DOI: 10.1111/edt.12011] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/02/2012] [Indexed: 01/02/2023]
Affiliation(s)
- Lucas da Fonseca Roberi Garcia
- Department of Dental Materials and Prosthodontics; Ribeirão Preto School of Dentistry; University of São Paulo; Ribeirão Preto; SP; Brazil
| | - Fabiano Gamero Aguilar
- Department of Dental Materials and Prosthodontics; Ribeirão Preto School of Dentistry; University of São Paulo; Ribeirão Preto; SP; Brazil
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Wei W, Qi YP, Nikonov SY, Niu LN, Messer RLW, Mao J, Primus CM, Pashley DH, Tay FR. Effects of an experimental calcium aluminosilicate cement on the viability of murine odontoblast-like cells. J Endod 2012; 38:936-42. [PMID: 22703657 DOI: 10.1016/j.joen.2012.03.020] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2012] [Revised: 03/13/2012] [Accepted: 03/27/2012] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Quick-setting calcium aluminosilicate cement with improved washout resistance is a potential substitute for calcium silicate cements in endodontics. This study examined the effect of an experimental calcium aluminosilicate cement (Quick-Set; Primus Consulting, Bradenton, FL) on the viability of odontoblast-like cells. METHODS The biocompatibility of Quick-Set and white ProRoot MTA (WMTA; Dentsply Tulsa Dental Specialties, Tulsa, OK) cements and their eluents was evaluated using a murine dental papilla-derived odontoblast-like cell line (MDPC-23); 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay was used to examine the effects of the 2 hydraulic cements on mitochondrial metabolic activity. Flow cytometry and confocal laser scanning microscopy were used to identify the effects of the 2 cements on cell death-induced plasma membrane permeability to fluorescent dyes and DNA stains. RESULTS After the first week of immersion in culture medium, Quick-Set and WMTA were more cytotoxic than the Teflon-negative control (P < .05), and the cells exhibited more apoptosis/necrosis than Teflon (P < .05). After the second week of immersion, the 2 cements were as biocompatible as Teflon (P > .05), with cells exhibiting minimal apoptosis/necrosis. Eluents from the set cements at 1:1 dilution were significantly more cytotoxic that eluents at 1:10 or 1:100 dilution (P < .05). CONCLUSIONS Quick-Set and WMTA exhibited similar cytotoxicity profiles. They possess negligible in vitro toxicologic risks after time-dependent elution of toxic components.
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Affiliation(s)
- Wei Wei
- Department of Stomatology, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
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Silva EJNL, Herrera DR, Almeida JFA, Ferraz CCR, Gomes BPFA, Zaia AA. Evaluation of cytotoxicity and up-regulation of gelatinases in fibroblast cells by three root repair materials. Int Endod J 2012; 45:815-20. [DOI: 10.1111/j.1365-2591.2012.02038.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Aguilar FG, Roberti Garcia LF, Panzeri Pires-de-Souza FC. Biocompatibility of New Calcium Aluminate Cement (EndoBinder). J Endod 2012; 38:367-71. [DOI: 10.1016/j.joen.2011.11.002] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2011] [Revised: 11/08/2011] [Accepted: 11/17/2011] [Indexed: 11/24/2022]
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