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Chang PJ, Chen MS, Cheng CH, Chiou YJ, Chen CY, Su CY, Lin CK. Effects of Calcination Temperature on the Synthesis of One-Pot Sol-Gelled Barium Titanate Powder and Its Performance as an Endodontic Radiopacifier. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2701. [PMID: 38893964 PMCID: PMC11173394 DOI: 10.3390/ma17112701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 05/26/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024]
Abstract
Barium titanate (BaTiO3, BTO), conventionally used for dielectric and ferroelectric applications, has been assessed for biomedical applications, such as its utilization as a radiopacifier in mineral trioxide aggregates (MTA) for endodontic treatment. In the present study, BTO powders were prepared using the sol-gel process, followed by calcination at 400-1100 °C. The X-ray diffraction technique was then used to examine the as-prepared powders to elucidate the effect of calcination on the phase composition and crystalline size of BTO. Calcined BTO powders were then used as radiopacifiers for MTA. MTA-like cements were investigated to determine the optimal calcination temperature based on the radiopacity and diametral tensile strength (DTS). The experimental results showed that the formation of BTO phase was observed after calcination at temperatures of 600 °C and above. The calcined powders were a mixture of BaTiO3 phase with residual BaCO3 and/or Ba2TiO4 phases. The performance of MTA-like cements with BTO addition increased with increasing calcination temperature up to 1000 °C. The radiopacity, however, decreased after 7 days of simulated oral environmental storage, whereas an increase in DTS was observed. Optimal MTA-like cement was obtained by adding 40 wt.% 1000 °C-calcined BTO powder, with its resulting radiopacity and DTS at 4.83 ± 0.61 mmAl and 2.86 ± 0.33 MPa, respectively. After 7 days, the radiopacity decreased slightly to 4.69 ± 0.51 mmAl, accompanied by an increase in DTS to 3.13 ± 0.70 MPa. The optimal cement was biocompatible and verified using MG 63 and L929 cell lines, which exhibited cell viability higher than 95%.
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Affiliation(s)
- Pei-Jung Chang
- Graduate Institute of Manufacturing Technology, National Taipei University of Technology, Taipei 106, Taiwan;
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
| | - May-Show Chen
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan
- Division of Prosthodontics, Department of Dentistry, Taipei Medical University Hospital, Taipei 110, Taiwan
| | - Chi-Han Cheng
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan;
| | - Yuh-Jing Chiou
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
- Department of Chemical Engineering and Biotechnology, Tatung University, Taipei 104, Taiwan
| | - Chin-Yi Chen
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
- Department of Materials Science and Engineering, Feng Chia University, Taichung 407, Taiwan
| | - Cherng-Yuh Su
- Graduate Institute of Manufacturing Technology, National Taipei University of Technology, Taipei 106, Taiwan;
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
- Department of Mechanical Engineering, National Taipei University of Technology, Taipei 106, Taiwan
| | - Chung-Kwei Lin
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan;
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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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Jerez-Olate C, Araya N, Alcántara R, Luengo L, Bello-Toledo H, González-Rocha G, Sánchez-Sanhueza G. In vitro antibacterial activity of endodontic bioceramic materials against dual and multispecies aerobic-anaerobic biofilm models. AUST ENDOD J 2022; 48:465-472. [PMID: 34741571 DOI: 10.1111/aej.12587] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/21/2021] [Accepted: 10/24/2021] [Indexed: 12/14/2022]
Abstract
The aim of this in vitro study was to evaluate the antibacterial activity of calcium silicate repair cements and sealers against a dual-species planktonic aerobic model with different aging times and the ability to inhibit the formation of a mature 21-day-old multispecies anaerobic biofilm. The antibacterial activity of ProRoot MTA, MTA Angelus, Biodentine, BioRoot RCS and TotalFill BC sealer against a dual-species aerobic planktonic model, as well as measuring how materials were affected by aging, was evaluated using the Modified Direct Contact Test. Subsequently, the ability to inhibit the formation of a mature multispecies anaerobic biofilm was evaluated using scanning electron microscopy complemented with confocal laser scanning microscopy. Biodentine and BioRoot RCS had higher antibacterial action, and Biodentine was able to maintain its antibacterial action after a prolonged aging period in vitro. Calcium silicate repair cement MTA ProRoot and Biodentine had higher antibiofilm action.
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Affiliation(s)
- Christian Jerez-Olate
- Department of Restorative Dentistry, Discipline of Endodontics, Faculty of Dentistry, Universidad de Concepción, Concepción, Chile
| | - Nancy Araya
- Department of Restorative Dentistry, Discipline of Endodontics, Faculty of Dentistry, Universidad de Concepción, Concepción, Chile
| | - Raúl Alcántara
- Department of Restorative Dentistry, Discipline of Endodontics, Faculty of Dentistry, Universidad de Concepción, Concepción, Chile
| | - Luis Luengo
- Department of Public Health and Preventive Dentistry, School of Dentistry, Universidad de Concepción, Concepción, Chile
| | - Helia Bello-Toledo
- Department of Microbiology, Faculty of Biological Sciences, Universidad de Concepción, Concepción, Chile.,Millennium Nucleus for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago, Chile.,Research Laboratory on Antibacterial Agents, Concepción, Chile
| | - Gerardo González-Rocha
- Department of Microbiology, Faculty of Biological Sciences, Universidad de Concepción, Concepción, Chile.,Millennium Nucleus for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago, Chile.,Research Laboratory on Antibacterial Agents, Concepción, Chile
| | - Gabriela Sánchez-Sanhueza
- Department of Restorative Dentistry, Discipline of Endodontics, Faculty of Dentistry, Universidad de Concepción, Concepción, Chile.,Research Laboratory on Antibacterial Agents, Concepción, Chile
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