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Fernandes BF, Silva N, Da Cruz MB, Garret G, Carvalho Ó, Silva F, Mata A, Francisco H, Marques JF. Cell Biological and Antibacterial Evaluation of a New Approach to Zirconia Implant Surfaces Modified with MTA. Biomimetics (Basel) 2024; 9:155. [PMID: 38534840 DOI: 10.3390/biomimetics9030155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/24/2024] [Accepted: 02/27/2024] [Indexed: 03/28/2024] Open
Abstract
Peri-implantitis continues to be one of the major reasons for implant failure. We propose a new approach to the incorporation of MTA into zirconia implant surfaces with Nd:YAG laser and investigate the biological and the microbiological responses of peri-implant cells. Discs of zirconia stabilized with yttria and titanium were produced according to the following four study groups: Nd:YAG laser-textured zirconia coated with MTA (Zr MTA), Nd:YAG laser-textured zirconia (Zr textured), polished zirconia discs, and polished titanium discs (Zr and Ti). Surface roughness was evaluated by contact profilometry. Human osteoblasts (hFOB), gingival fibroblasts (HGF hTERT) and S. oralis were cultured on discs. Cell adhesion and morphology, cell differentiation markers and bacterial growth were evaluated. Zr textured roughness was significantly higher than all other groups. SEM images reveal cellular adhesion at 1 day in all samples in both cell lines. Osteoblasts viability was lower in the Zr MTA group, unlike fibroblasts viability, which was shown to be higher in the Zr MTA group compared with the Zr textured group at 3 and 7 days. Osteocalcin and IL-8 secretion by osteoblasts were higher in Zr MTA. The Zr textured group showed higher IL-8 values released by fibroblasts. No differences in S. oralis CFUs were observed between groups. The present study suggests that zirconia implant surfaces coated with MTA induced fibroblast proliferation and osteoblast differentiation; however, they did not present antibacterial properties.
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Affiliation(s)
- Beatriz Ferreira Fernandes
- Oral Biology and Biochemistry Research Group-Unidade de Investigação em Ciências Orais e Biomédicas (UICOB), Faculdade de Medicina Dentária, Universidade de Lisboa, 1600-277 Lisboa, Portugal
| | - Neusa Silva
- Oral Biology and Biochemistry Research Group-Unidade de Investigação em Ciências Orais e Biomédicas (UICOB), Faculdade de Medicina Dentária, Universidade de Lisboa, 1600-277 Lisboa, Portugal
| | - Mariana Brito Da Cruz
- Oral Biology and Biochemistry Research Group-Unidade de Investigação em Ciências Orais e Biomédicas (UICOB), Faculdade de Medicina Dentária, Universidade de Lisboa, 1600-277 Lisboa, Portugal
| | - Gonçalo Garret
- Department of Mechanical Engineering, Center for Microelectromechanical Systems (CMEMS), University of Minho, 4800-058 Guimarães, Portugal
| | - Óscar Carvalho
- Department of Mechanical Engineering, Center for Microelectromechanical Systems (CMEMS), University of Minho, 4800-058 Guimarães, Portugal
| | - Filipe Silva
- Department of Mechanical Engineering, Center for Microelectromechanical Systems (CMEMS), University of Minho, 4800-058 Guimarães, Portugal
| | - António Mata
- Oral Biology and Biochemistry Research Group-Unidade de Investigação em Ciências Orais e Biomédicas (UICOB), LIBPhys-FCT UIDB/04559/2020, Faculdade de Medicina Dentária, Universidade de Lisboa, 1600-277 Lisboa, Portugal
- CEMDBE-Cochrane Portugal, Faculdade de Medicina Dentária, Universidade de Lisboa, 1600-277 Lisboa, Portugal
| | - Helena Francisco
- Grupo de Investigação Implantologia e Regeneração Óssea (UICOB), Faculdade de Medicina Dentária, Universidade de Lisboa, 1600-277 Lisboa, Portugal
| | - Joana Faria Marques
- Oral Biology and Biochemistry Research Group-Unidade de Investigação em Ciências Orais e Biomédicas (UICOB), Faculdade de Medicina Dentária, Universidade de Lisboa, 1600-277 Lisboa, Portugal
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Bueno CRE, Benetti F, Cury MTS, Vasques AMV, Cosme-Silva L, Queiroz ÍODA, da Silva ACR, Jacinto RDC, Cintra LTA, Dezan-Junior E. Biological investigation of resinous endodontic sealers containing calcium hydroxide. PLoS One 2023; 18:e0287890. [PMID: 37459336 PMCID: PMC10351732 DOI: 10.1371/journal.pone.0287890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 06/14/2023] [Indexed: 07/20/2023] Open
Abstract
The purpose of this study was to evaluate, in vivo, the biocompatibility, biomineralization, collagen maturation and the in vitro antibacterial and cytotoxicity of resinous endodontic sealers containing calcium hydroxide. Forty rats were implanted with polyethylene tubes containing Sealer 26, Sealer Plus, Dia-ProSeal and an empty tube, examined after 7, 15, 30 and 60 days. Antimicrobial activity was evaluated against Enterococcus faecalis by Agar Diffusion Test (ADT) through inhibition zones. For cytotoxicity, undifferentiated pulp cells (OD-21) were cultured and assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, exposed to dilution of serial extracts at 6, 24, 48h. Cytotoxicity was analyzed by two-way ANOVA and Bonferroni correction. Kruskal-Wallis test followed by Dunn test was performed for nonparametric data (p<0.05). MTT assay revealed cell proliferation affected by sealers extract in all periods (p<0.0001), except for Dia-Proseal and Sealer Plus ⅛ dilution. Subcutaneous analysis showed at day 7th moderate inflammatory infiltration. After 30 days, Sealer 26 still showed moderate inflammatory infiltrate compared to mild inflammation from control and Dia-ProSeal (p = 0.006). At day 60th, all groups showed similar mild inflammatory infiltrate (p>0.05). Sealer 26 induced more biomineralization than other sealers in all periods. At 7 and 15 days, all sealers had significant percentage of immature collagen fibers. After 60 days Sealer 26 showed more mature fibers compared to other sealers (p<0.001). All sealers had a smaller zone of inhibition than chlorhexidine, but with no significant difference among any group (p>0.05). All sealers showed satisfactory biological responses with in vitro/in vivo biocompatibility and antimicrobial activity against planktonic bacteria. Sealer 26 induced more biomineralization than Sealer Plus and Dia-ProSeal.
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Affiliation(s)
- Carlos Roberto Emerenciano Bueno
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
| | - Francine Benetti
- Department of Restorative Dentistry, School of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, Minas Gerais, Brazil
| | - Marina Tolomei Sandoval Cury
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
| | - Ana Maria Veiga Vasques
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
| | - Leopoldo Cosme-Silva
- Department of Restorative Dentistry, School of Dentistry, Federal University of Alagoas (UFAL), Maceió, Alagoas, Brazil
| | - Índia Olinta de Azevedo Queiroz
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
| | - Ana Cláudia Rodrigues da Silva
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
| | - Rogério de Castilho Jacinto
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
| | - Luciano Tavares Angelo Cintra
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
| | - Eloi Dezan-Junior
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
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Edanami N, Takenaka S, Ibn Belal RS, Yoshiba K, Takahara S, Yoshiba N, Ohkura N, Noiri Y. In Vivo Assessment of the Apatite-Forming Ability of New-Generation Hydraulic Calcium Silicate Cements Using a Rat Subcutaneous Implantation Model. J Funct Biomater 2023; 14:jfb14040213. [PMID: 37103303 PMCID: PMC10144219 DOI: 10.3390/jfb14040213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/07/2023] [Accepted: 04/09/2023] [Indexed: 04/28/2023] Open
Abstract
Hydroxyapatite formation on endodontic hydraulic calcium silicate cements (HCSCs) plays a significant role in sealing the root canal system and elevating the hard-tissue inductivity of the materials. This study evaluated the in vivo apatite-forming ability of 13 new-generation HCSCs using an original HCSC (white ProRoot MTA: PR) as a positive control. The HCSCs were loaded into polytetrafluoroethylene tubes and implanted in the subcutaneous tissue of 4-week-old male Wistar rats. At 28 days after implantation, hydroxyapatite formation on the HCSC implants was assessed with micro-Raman spectroscopy, surface ultrastructural and elemental characterization, and elemental mapping of the material-tissue interface. Seven new-generation HCSCs and PR had a Raman band for hydroxyapatite (v1 PO43- band at 960 cm-1) and hydroxyapatite-like calcium-phosphorus-rich spherical precipitates on the surfaces. The other six HCSCs with neither the hydroxyapatite Raman band nor hydroxyapatite-like spherical precipitates did not show calcium-phosphorus-rich hydroxyapatite-layer-like regions in the elemental mapping. These results indicated that 6 of the 13 new-generation HCSCs possessed little or no ability to produce hydroxyapatite in vivo, unlike PR. The weak in vivo apatite-forming ability of the six HCSCs may have a negative impact on their clinical performance.
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Affiliation(s)
- Naoki Edanami
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Shoji Takenaka
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Razi Saifullah Ibn Belal
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Kunihiko Yoshiba
- Division of Oral Science for Health Promotion, Department of Oral Health and Welfare, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Shintaro Takahara
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Nagako Yoshiba
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Naoto Ohkura
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Yuichiro Noiri
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
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Edanami N, Belal RSI, Takenaka S, Yoshiba K, Gutierrez REB, Takahara S, Yoshiba N, Ohkura N, Noiri Y. In Vivo Assessment of the Calcium Salt-Forming Ability of a New Calcium Silicate-Based Intracanal Medicament: Bio-C Temp. Dent J (Basel) 2023; 11:dj11040091. [PMID: 37185469 PMCID: PMC10137445 DOI: 10.3390/dj11040091] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/17/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Calcium salt precipitation induced by intracanal medicaments contributes to the formation of apical hard tissue during apexification. This study compared the calcium salt-forming ability of a new calcium silicate-based intracanal medicament (Bio-C Temp) with that of two commercial calcium hydroxide pastes (Calcipex Plane II and Vitapex) in a rat subcutaneous implantation model. Polytetrafluoroethylene tubes containing each of the three materials were subcutaneously implanted in 4-week-old male Wistar rats. After 28 days, the composition and amount of calcium salts formed at the material–tissue interface were assessed using micro-Raman spectroscopy, X-ray diffraction, and elemental mapping. The tested materials produced white precipitates that had Raman spectra with peaks corresponding to hydroxyapatite and calcite. X-ray diffraction detected hydroxyapatite formation on Calcipex Plane II and Vitapex implants, as well as calcite formation on all three materials. Elemental mapping revealed that Bio-C Temp generated significantly smaller calcium- and phosphorus-rich calcified regions within the subcutaneous connective tissue than Vitapex. These results indicate that Bio-C Temp produced less calcium salt in rat subcutaneous tissue than Vitapex, although all materials formed hydroxyapatite and calcite in rat subcutaneous tissue. Bio-C Temp could be less effective than Vitapex in promoting apical hard tissue formation during apexification.
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Affiliation(s)
- Naoki Edanami
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
| | - Razi Saifullah Ibn Belal
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
| | - Shoji Takenaka
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
| | - Kunihiko Yoshiba
- Division of Oral Science for Health Promotion, Department of Oral Health and Welfare, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
| | - Rosa Edith Baldeon Gutierrez
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
| | - Shintaro Takahara
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
| | - Nagako Yoshiba
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
| | - Naoto Ohkura
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
| | - Yuichiro Noiri
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
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Blinova AA, Karamirzoev AA, Guseynova AR, Maglakelidze DG, Ilyaeva TA, Gusov BA, Meliksetyants AP, Pirumian MM, Taravanov MA, Pirogov MA, Vakalov DS, Bernyukevich TV, Gvozdenko AA, Nagdalian AA, Blinov AV. Synthesis and Characterization of Calcium Silicate Nanoparticles Stabilized with Amino Acids. MICROMACHINES 2023; 14:245. [PMID: 36837945 PMCID: PMC9967975 DOI: 10.3390/mi14020245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/10/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
This work presents the development of a method for the synthesis of calcium silicate nanoparticles stabilized with essential amino acids. CaSiO3 nanoparticles were obtained through chemical precipitation. In the first stage, the optimal calcium-containing precursor was determined. The samples were examined using scanning electron microscopy. It was found that Ca(CH3COO)2 was the optimal calcium-containing precursor. Then, the phase composition of calcium silicate was studied using X-ray phase analysis. The results showed the presence of high-intensity bands in the diffractogram, which characterized the phase of the nanosized CaSiO3-wollastonite. In the next stage, the influence of the type of amino acid on the microstructure of calcium silicate was studied. The amnio acids studied were valine, L-leucine, L-isoleucine, L-methionine, L-threonine, L-lysine, L-phenylalanine, and L-tryptophan. The analysis of the SEM micrographs showed that the addition of amino acids did not significantly affect the morphology of the CaSiO3 samples. The surface of the CaSiO3 samples, both without a stabilizer and with amino acids, was represented by irregularly shaped aggregates consisting of nanoparticles with a diameter of 50-400 nm. Further, in order to determine the optimal amino acid to use to stabilize nanoparticles, computerized quantum chemical modeling was carried out. Analysis of the data obtained showed that the most energetically favorable interaction was the CaSiO3-L-methionine configuration, where the interaction occurs through the amino group of the amino acid; the energy value of which was -2058.497 kcal/mol. To confirm the simulation results, the samples were examined using IR spectroscopy. An analysis of the results showed that the interaction of calcium silicate with L-methionine occurs via the formation of a bond through the NH3+ group of the amino acid.
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Affiliation(s)
- Anastasiya A. Blinova
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia
| | | | - Asiyat R. Guseynova
- Faculty of Dentistry, Derzhavin Tambov State University, 392008 Tambov, Russia
| | - David G. Maglakelidze
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia
| | - Tatiana A. Ilyaeva
- Faculty of Medicine, Stavropol State Medical University, 355017 Stavropol, Russia
| | - Batradz A. Gusov
- Faculty of Dentistry, North Ossetian State Medical University, 362025 Vladikavkaz, Russia
| | | | - Mari M. Pirumian
- Medical and Preventive Faculty, Rostov State Medical University, 344022 Rostov-on-Don, Russia
| | - Maxim A. Taravanov
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia
| | - Maxim A. Pirogov
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia
| | - Dmitriy S. Vakalov
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia
| | | | - Alexey A. Gvozdenko
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia
| | - Andrey A. Nagdalian
- Laboratory of Food and Industrial Biotechnology, North Caucasus Federal University, 355017 Stavropol, Russia
| | - Andrey V. Blinov
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia
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Bapat RA, Parolia A, Chaubal T, Yang HJ, Kesharwani P, Phaik KS, Lin SL, Daood U. Recent Update on Applications of Quaternary Ammonium Silane as an Antibacterial Biomaterial: A Novel Drug Delivery Approach in Dentistry. Front Microbiol 2022; 13:927282. [PMID: 36212832 PMCID: PMC9539660 DOI: 10.3389/fmicb.2022.927282] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Quaternary ammonium silane [(QAS), codename – k21] is a novel biomaterial developed by sol-gel process having broad spectrum antimicrobial activities with low cytotoxicity. It has been used in various concentrations with maximum antimicrobial efficacy and biocompatibility. The antimicrobial mechanism is displayed via contact killing, causing conformational changes within the bacterial cell membrane, inhibiting Sortase-A enzyme, and causing cell disturbances due to osmotic changes. The compound can attach to S1' pockets on matrix metalloproteinases (MMPs), leading to massive MMP enzyme inhibition, making it one of the most potent protease inhibitors. Quaternary ammonium silane has been synthesized and used in dentistry to eliminate the biofilm from dental tissues. QAS has been tested for its antibacterial activity as a cavity disinfectant, endodontic irrigant, restorative and root canal medication, and a nanocarrier for drug delivery approaches. The review is first of its kind that aims to discuss applications of QAS as a novel antibacterial biomaterial for dental applications along with discussions on its cytotoxic effects and future prospects in dentistry.
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Affiliation(s)
- Ranjeet Ajit Bapat
- Restorative Dentistry Division, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - Abhishek Parolia
- Restorative Dentistry Division, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - Tanay Chaubal
- Restorative Dentistry Division, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - Ho Jan Yang
- Restorative Dentistry Division, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - Prashant Kesharwani
- School of Pharmaceutical Education and Research, Jamia Hamdard (Hamdard University), New Delhi, India
| | - Khoo Suan Phaik
- Division of Clinical Oral Health, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - Seow Liang Lin
- Restorative Dentistry Division, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - Umer Daood
- Restorative Dentistry Division, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
- *Correspondence: Umer Daood
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Camilleri J, Atmeh A, Li X, Meschi N. Present status and future directions: Hydraulic materials for endodontic use. Int Endod J 2022; 55 Suppl 3:710-777. [PMID: 35167119 PMCID: PMC9314068 DOI: 10.1111/iej.13709] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 02/11/2022] [Accepted: 02/13/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND Hydraulic materials are used in Endodontics due to their hydration characteristics namely the formation of calcium hydroxide when mixing with water and also because of their hydraulic properties. These materials are presented in various consistencies and delivery methods. They are composed primarily of tricalcium and dicalcium silicate, and also include a radiopacifier, additives and an aqueous or a non-aqueous vehicle. Only materials whose primary reaction is with water can be classified as hydraulic. OBJECTIVES Review of the classification of hydraulic materials by Camilleri and the literature pertaining to specific uses of hydraulic cements in endodontics namely intra-coronal, intra-radicular and extra-radicular. Review of the literature on the material properties linked to specific uses providing the current status of these materials after which future trends and gaps in knowledge could be identified. METHODS The literature was reviewed using PUBMED, and for each clinical use, the in vitro properties such as physical, chemical, biological and antimicrobial characteristics and clinical data were extracted and evaluated. RESULTS A large number of publications were retrieved for each clinical use and these were grouped depending on the property type being investigated. CONCLUSIONS The hydraulic cements have made a difference in clinical outcomes. The main shortcoming is the poor testing methodologies employed which provide very limited information and also inhibits adequate clinical translation. Furthermore, the clinical protocols need to be updated to enable the materials to be employed effectively.
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Affiliation(s)
- Josette Camilleri
- School of DentistryCollege of Medical and Dental SciencesUniversity of BirminghamBirminghamUK
| | - Amre Atmeh
- Hamdan Bin Mohammed College of Dental Medicine (HBMCDM)Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU)DubaiUnited Arab Emirates
| | - Xin Li
- Department of Oral Health SciencesBIOMAT – Biomaterials Research GroupKU Leuven and DentistryUniversity Hospitals LeuvenLeuvenBelgium
| | - Nastaran Meschi
- Department of Oral Health SciencesBIOMAT – Biomaterials Research GroupKU Leuven and DentistryUniversity Hospitals LeuvenLeuvenBelgium
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Biocompatibility of a New Calcium Silicate-Based Root Canal Sealer Mediated via the Modulation of Macrophage Polarization in a Rat Model. MATERIALS 2022; 15:ma15051962. [PMID: 35269193 PMCID: PMC8911908 DOI: 10.3390/ma15051962] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/18/2022] [Accepted: 02/28/2022] [Indexed: 12/16/2022]
Abstract
(1) Background: The EndoSequence BC Sealer HiFlow (Brasseler, Savannah, GA, USA) has recently been introduced in clinical applications. Thus, the aims of the present study are to determine its biocompatibility in vivo and to examine its ability to drive macrophage polarization in vitro and in vivo. (2) Methods: HiFlow was implanted into rat connective tissue for 7, 30 and 150 days. The microstructures and elemental compositions were determined by scanning electron microscopy-energy-dispersive X-ray spectroscopy (SEM-EDX). Hematoxylin–eosin, immunofluorescence, RT–qPCR and flow cytometry were used to elucidate the effects on inflammatory responses and macrophage polarization. (3) Results: SEM-EDX revealed the formation of surface hydroxyapatite crystal layers. Histological evaluation showed that HiFlow exhibited long-term biocompatibility because it decreased inflammatory responses and reduced the number of macrophages over time; however, tissue necrosis was observed in all the groups. RT–qPCR verified that HiFlow regulated the expression of inflammatory factors to inhibit the inflammatory response. Immunofluorescence analysis performed on in vivo samples revealed that HiFlow promoted M2-like macrophage polarization, and these results were confirmed by flow cytometry in vitro. (4) Conclusion: After 150 days of investigation, HiFlow was considered biologically acceptable, and the formation of apatite crystal layers and the promotion of M2-like macrophage polarization may contribute to its favorable biocompatibility.
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Belal RSI, Edanami N, Yoshiba K, Yoshiba N, Ohkura N, Takenaka S, Noiri Y. Comparison of calcium and hydroxyl ion release ability and in vivo apatite-forming ability of three bioceramic-containing root canal sealers. Clin Oral Investig 2021; 26:1443-1451. [PMID: 34398328 DOI: 10.1007/s00784-021-04118-w] [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: 04/30/2021] [Accepted: 07/30/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE Bioceramic-containing root canal sealers promote periapical healing via Ca2+ and OH- release and apatite formation on the surface. This study aimed to compare Ca2+ and OH- release and in vivo apatite formation of three bioceramic-containing root canal sealers: EndoSequence BC sealer (Endo-BC), MTA Fillapex (MTA-F), and Nishika Canal Sealer BG (N-BG). MATERIALS AND METHODS Polytetrafluoroethylene tubes filled with sealers were immersed in distilled water for 6 and 12 h and for 1, 7, 14, and 28 days to measure Ca2+ and OH- release. Additionally, tubes filled with sealers were implanted in the backs of rats for 28 days, and in vivo apatite formation was analyzed using an electron probe microanalyzer. RESULTS Endo-BC released significantly more Ca2+ than the other sealers at 6 and 12 h and 1 day. Ca2+ release was significantly lower from N-BG than from Endo-BC and MTA-F at 14 and 28 days. OH- release was significantly higher from Endo-BC than from the other sealers throughout the experiment, except at 1 day. OH- release was lower from N-BG than from MTA-F at 6 h and 7 days. Only Endo-BC implants exhibited apatite-like calcium-, phosphorus-, oxygen-, and carbon-rich spherulites and apatite layer-like calcium- and phosphorus-rich, but radiopaque element-free, surface regions. CONCLUSIONS Ca2+ and OH- release is ranked as follows: Endo-BC > MTA-F > N-BG. Only Endo-BC demonstrated in vivo apatite formation. CLINICAL RELEVANCE Endo-BC could promote faster periapical healing than MTA-F and N-BG.
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Affiliation(s)
- Razi Saifullah Ibn Belal
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274 Gakkocho-dori, Chuo-ku, Niigata, 951-8514, Japan
| | - Naoki Edanami
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274 Gakkocho-dori, Chuo-ku, Niigata, 951-8514, Japan.
| | - Kunihiko Yoshiba
- Division of Oral Science for Health Promotion, Department of Oral Health and Welfare, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Nagako Yoshiba
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274 Gakkocho-dori, Chuo-ku, Niigata, 951-8514, Japan
| | - Naoto Ohkura
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274 Gakkocho-dori, Chuo-ku, Niigata, 951-8514, Japan
| | - Shoji Takenaka
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274 Gakkocho-dori, Chuo-ku, Niigata, 951-8514, Japan
| | - Yuichiro Noiri
- Division of Cariology, Operative Dentistry and Endodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274 Gakkocho-dori, Chuo-ku, Niigata, 951-8514, Japan
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10
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Mena-Álvarez J, Rico-Romano C, Gutiérrez-Ortega C, Arias-Sanz P, Castro-Urda J. A Comparative Study of Biocompatibility in Rat Connective Tissue of a New Mineral Trioxide Compound (Theracal) versus MTA and a Bioactive G3 Glass. J Clin Med 2021; 10:jcm10122536. [PMID: 34201005 PMCID: PMC8226538 DOI: 10.3390/jcm10122536] [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: 05/07/2021] [Revised: 05/25/2021] [Accepted: 06/03/2021] [Indexed: 11/20/2022] Open
Abstract
The aim of this paper was to assess the differences in tissue response to implantation during 15, 30 and 45 days in the subcutaneous connective tissue of Wistar rats from three biomaterials: Angelus MTA®, Theracal LC®, and Angelus MTA® to which 25% bioglass G3 was added. Twenty-four Wistar rats were used, the materials were inserted into the rat’s dorsal area in silicone tubes 5 mm long by 1.5 mm diameter. Histological reaction was assessed at 15, 30, and 45 days after implantation. They were then stained with hematoxylin eosin and evaluated by two observers. Data were analyzed using Fisher’s exact test and Mann–Whitney’s U test was used to determine the association between variables. Angelus MTA induced the formation of dystrophic calcifications twice as much as Theracal LC (p < 0.05). The addition of G3 did not affect the greater or lesser occurrence of calcifications (p > 0.05). Theracal LC and MTA plus G3 caused an inflammatory reaction, which was chronic at 15 days and decreased in intensity, almost disappearing after 45 days. Theracal LC, as well as Angelus MTA plus G3, were well tolerated when implanted in the subcutaneous connective tissue of rat. Histologically, no inconvenience was found for the use by direct contact of Theracal LC, and the mixture of MTA with 25% bioactive glass G3, in the tissue of Wistar rats.
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Affiliation(s)
- Jesús Mena-Álvarez
- Department of Endodontics, Faculty of Dentistry, Alfonso X El Sabio University, 28691 Madrid, Spain;
- Correspondence: or
| | - Cristina Rico-Romano
- Department of Endodontics, Faculty of Dentistry, Alfonso X El Sabio University, 28691 Madrid, Spain;
| | | | - Pablo Arias-Sanz
- Veterinary Service, Central Defense Hospital “Gomez Ulla”, 28047 Madrid, Spain;
| | - Javier Castro-Urda
- Department of Veterinary, Faculty of Veterinary, Alfonso X El Sabio University, 28691 Madrid, Spain;
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11
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Talabani RM, Garib BT, Masaeli R, Zandsalimi K, Ketabat F. Biomineralization of three calcium silicate-based cements after implantation in rat subcutaneous tissue. Restor Dent Endod 2021; 46:e1. [PMID: 33680890 PMCID: PMC7906840 DOI: 10.5395/rde.2021.46.e1] [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: 01/24/2020] [Revised: 07/22/2020] [Accepted: 08/07/2020] [Indexed: 01/07/2023] Open
Abstract
Objectives The aim of this study was to evaluate the dystrophic mineralization deposits from 3 calcium silicate-based cements (Micro-Mega mineral trioxide aggregate [MM-MTA], Biodentine [BD], and EndoSequence Root Repair Material [ESRRM] putty) over time after subcutaneous implantation into rats. Materials and Methods Forty-five silicon tubes containing the tested materials and 15 empty tubes (serving as a control group) were subcutaneously implanted into the backs of 15 Wistar rats. At 1, 4, and 8 weeks after implantation, the animals were euthanized (n = 5 animals/group), and the silicon tubes were removed with the surrounding tissues. Histopathological tissue sections were stained with von Kossa stain to assess mineralization. Scanning electron microscopy and energy-dispersive X-ray spectroscopy (SEM/EDX) were also used to assess the chemical components of the surface precipitates deposited on the implant and the pattern of calcium and phosphorus distribution at the material-tissue interface. The calcium-to-phosphorus ratios were compared using the non-parametric Kruskal-Wallis test at a significance level of 5%. Results The von Kossa staining showed that both BD and ESRRM putty induced mineralization starting at week 1; this mineralization increased further until the end of the study. In contrast, MM-MTA induced dystrophic calcification later, from 4 weeks onward. SEM/EDX showed no statistically significant differences in the calcium- and phosphorus-rich areas among the 3 materials at any time point (p > 0.05). Conclusions After subcutaneous implantation, biomineralization of the 3-calcium silicate-based cements started early and increased over time, and all 3 tested cements generated calcium- and phosphorus-containing surface precipitates.
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Affiliation(s)
| | | | - Reza Masaeli
- Department of Dental Biomaterial, Tehran University of Medical Sciences, Tehran, Iran
| | - Kavosh Zandsalimi
- Department of Life Sciences Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Farinaz Ketabat
- Division of Biomedical Engineering, University of Saskatchewan, Saskatoon, Canada
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12
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Niu J, Li D, Zhou Z, Zhang J, Liu D, Zhao W, Zhao C, Liu X. The incorporation of phosphorylated chitosan/amorphous calcium phosphate nanocomplex into an experimental composite resin. Dent Mater J 2021; 40:422-430. [PMID: 33518690 DOI: 10.4012/dmj.2019-427] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
This study evaluated the effect of incorporating phosphorylated chitosan/amorphous calcium phosphate nanocomplex (Pchi/ACP) into an experimental light-cure composite resin on mechanical-chemical properties and human dentin remineralization. The results showed that the mechanical strength and contact angles of the resins decreased with the increase incorporation of Pchi/ACP. Release concentrations of calcium in saline solution were measured at different time points, showing the incorporation of Pchi/ACP significantly increased calcium release within 14 days, and kept steady thereafter. Finally, the demineralized dentin slabs treated with our resins for four weeks were characterized by SEM-EDS. Various amounts of apatite were formed on the dentin slabs which were treated with the resins containing Pchi/ACP, whereas no apatite was formed without Pchi/ACP. In conclusion, the Pchi/ACP-incorporating composite resin can be a promising dental material due to its favorable mechanical and remineralization properties.
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Affiliation(s)
- Ju Niu
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Di Li
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Zeying Zhou
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Jingyue Zhang
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Dandan Liu
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Wendi Zhao
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Chengji Zhao
- Alan G MacDiarmid Institute, College of Chemistry, Jilin University
| | - Xiaoqiu Liu
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
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13
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Song W, Sun W, Chen L, Yuan Z. In vivo Biocompatibility and Bioactivity of Calcium Silicate-Based Bioceramics in Endodontics. Front Bioeng Biotechnol 2020; 8:580954. [PMID: 33195142 PMCID: PMC7658386 DOI: 10.3389/fbioe.2020.580954] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 08/31/2020] [Indexed: 12/14/2022] Open
Abstract
Endodontic therapy aims to preserve or repair the activity and function of pulp and periapical tissues. Due to their excellent biological features, a substantial number of calcium silicate-based bioceramics have been introduced into endodontics and simultaneously increased the success rate of endodontic treatment. The present manuscript describes the in vivo biocompatibility and bioactivity of four types of calcium silicate-based bioceramics in endodontics.
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Affiliation(s)
- Wencheng Song
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Wei Sun
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Zhenglin Yuan
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
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14
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Homaeigohar S, Tsai TY, Zarie ES, Elbahri M, Young TH, Boccaccini AR. Bovine Serum Albumin (BSA)/polyacrylonitrile (PAN) biohybrid nanofibers coated with a biomineralized calcium deficient hydroxyapatite (HA) shell for wound dressing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 116:111248. [PMID: 32806254 DOI: 10.1016/j.msec.2020.111248] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 06/29/2020] [Accepted: 06/29/2020] [Indexed: 01/14/2023]
Abstract
Here, for the first time, a nanofibrous (NF) wound dressing comprising biomineralized polyacrylonitrile (PAN) nanofibers is developed. In contrast to the majority of the currently available nanofibrous wound dressings that are based on natural polymers, PAN is a synthetic, industrial polymer, which has been rarely considered for this purpose. PAN NFs are first hydrolyzed to allow for tethering of biofunctional agents (here Bovine Serum Albumin (BSA)). Later, the biofunctionlized PAN NFs are biomineralized by immersion in simulated body fluid (SBF). As a result, core-shell, calcium deficient hydroxyapatite (HA)/BSA/PAN nanofibers form, that are mechanically stronger (elastic modulus; 8.5 vs. 6 MPa) compared to the untreated PAN NFs. The biomineralized PAN NFs showed promising bioactivity as reflected in the cell biology tests with fibroblast and keratinocyte cells. Hs68 fibroblasts and HaCat keratinocytes were found to be more viable in the presence of the biomineralized NFs than when they were co-cultured with the neat PAN NFs. Such mechanical and biological characteristics of the biomineralized PAN NFs are favorable for wound dressing applications.
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Affiliation(s)
- Shahin Homaeigohar
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058, Erlangen, Germany; Nanochemistry and Nanoengineering, Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Kemistintie 1, 00076 Aalto, Finland.
| | - Ting-Yu Tsai
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, Taipei 100, Taiwan
| | - Eman S Zarie
- Nanochemistry and Nanoengineering, Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Kemistintie 1, 00076 Aalto, Finland; Department of Therapeutical Chemistry, Pharmaceutical and Drug Industries Research Division National Research Centre, Dokki 12311, Giza, Egypt
| | - Mady Elbahri
- Nanochemistry and Nanoengineering, Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Kemistintie 1, 00076 Aalto, Finland
| | - Tai-Horng Young
- Nanochemistry and Nanoengineering, Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Kemistintie 1, 00076 Aalto, Finland
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058, Erlangen, Germany
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15
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Fan W, Li Y, Sun Q, Tay FR, Fan B. Quaternary ammonium silane, calcium and phosphorus-loaded PLGA submicron particles against Enterococcus faecalis infection of teeth: An in vitro and in vivo study. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 111:110856. [PMID: 32279748 DOI: 10.1016/j.msec.2020.110856] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 02/14/2020] [Accepted: 03/14/2020] [Indexed: 01/05/2023]
Abstract
Refractory root canal infection of human teeth is the primary cause of dental treatment failure. Enterococcus faecalis is the major cause of refractory root canal infection. In the present study, poly(D,L-lactic-co-glycolide) (PLGA) submicron particles were used as carriers to deliver an antimicrobial quaternary ammonium silane (code-named K21) as well as calcium and phosphorus elements. The release profiles, antibacterial ability against E. faecalis, extent of infiltration into dentinal tubules, biocompatibility and in vitro mineralization potential of the particles were investigated. In addition, the antimicrobial effects of the particles against E. faecalis infection were evaluated in vivo in the teeth of beagle dogs. The encapsulated components were released from the PLGA particles in a sustained-release manner. The particles also displayed good biocompatibility, in vitro mineralization ability and antibacterial activity against E. faecalis. The particles could be driven into dentinal tubules of dentin slices by ultrasonic activation and inhibited E. faecalis colonization. In the root canals of beagle dogs, PLGA submicron particles loaded with K21, calcium and phosphorus demonstrated strong preventive effects against E. faecalis infection. The system may be developed into a new intracanal disinfectant for root canal treatment.
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Affiliation(s)
- Wei Fan
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, People's Republic of China
| | - Yanyun Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, People's Republic of China
| | - Qing Sun
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, People's Republic of China
| | - Franklin R Tay
- Department of Endodontics, The Dental College of Georgia, Augusta University, Augusta, GA, USA
| | - Bing Fan
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, People's Republic of China.
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16
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Lin MC, Chen CC, Wu IT, Ding SJ. Enhanced antibacterial activity of calcium silicate-based hybrid cements for bone repair. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 110:110727. [PMID: 32204040 DOI: 10.1016/j.msec.2020.110727] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 01/11/2020] [Accepted: 02/03/2020] [Indexed: 02/08/2023]
Abstract
Calcium silicate cement has attracted much attention for bone defect repair and regeneration due to its osteogenic properties. Biomaterial-associated infections and washout have become a common clinical problem. In order to enhance the antibacterial and washout performance of calcium silicate cement to meet clinical needs, different types of chitosan, including chitosan polysaccharide (CTS), quaternary ammonium chitosan (QTS), and chitosan oligosaccharide (COS), as a liquid phase were added to the calcium silicate powder. The physicochemical properties, in vitro bioactivity, antibacterial efficacy, and osteogenic effects (MG63 cells) of the cement were evaluated. Antibacterial activity was conducted with Gram-negative Escherichia coli (E. coli) and a Gram-positive Staphylococcus aureus (S. aureus) bacteria. The amount of intracellular reactive oxygen species (ROS) produced in the bacteria cultured with the chitosan solution was also detected. The experimental results showed that the chitosan additive did not affect the crystalline phase of calcium silicate cement, but increased the setting time and strength of the cement in a concentration-dependent manner. Within the scope of this study, CTS and QTS solutions with a concentration of not <1 wt% improved the washout resistance of the control cement, while the COS solutions failed to strengthen the cement. When soaked in simulated body fluid (SBF) for 1 day, all cement samples formed apatite spherules. As the soaking time increased, the diametral tensile strength of all cements decreased and the porosity increased. The assays of MG63 cell function showed lower osteogenic activity of osteoblastic cells grown on the surfaces of the chitosan-incorporated cements in comparison with the control cement without chitosan. At the same 1% concentration, compared with QTS and COS cement, CTS cement had lower cell attachment, proliferation, differentiation, and mineralization. Conversely, the CTS cement resulted in the highest bacteriostasis ratio among the three hybrid cements against two bacteria. The ROS production followed the order of CTS > QTS > COS at the same 1% concentration. In conclusion, calcium silicate cement with 1% QTS may be a viable candidate for bone defect repair in view of anti-washout performance, setting time, antibacterial activity, and osteogenic activity shown in this study.
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Affiliation(s)
- Ming-Cheng Lin
- Institute of Oral Science, Chung Shan Medical University, Taichung City 402, Taiwan
| | - Chun-Cheng Chen
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung City 402, Taiwan; School of Dentistry, Chung Shan Medical University, Taichung City 402, Taiwan
| | - I-Ting Wu
- Department of Periodontology, China Medical University Hospital, Taichung City 404, Taiwan.
| | - Shinn-Jyh Ding
- Institute of Oral Science, Chung Shan Medical University, Taichung City 402, Taiwan; Department of Stomatology, Chung Shan Medical University Hospital, Taichung City 402, Taiwan.
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17
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Balbinot GDS, Leitune VCB, Nunes JS, Visioli F, Collares FM. Synthesis of sol-gel derived calcium silicate particles and development of a bioactive endodontic cement. Dent Mater 2019; 36:135-144. [PMID: 31784062 DOI: 10.1016/j.dental.2019.11.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 10/21/2019] [Accepted: 11/11/2019] [Indexed: 12/26/2022]
Abstract
OBJECTIVE The aim of this study is to produce sol-gel derived calcium silicate particles (CS) and evaluate the influence of different concentration of calcium tungstate in the physical, chemical, mechanical and biological properties of developed cements. METHODS Sol-gel route were used to synthesize calcium silicate particles that were characterized with x-ray difraction, Fourier transformed infrared spectroscopy, scanning electron microscopy, laser diffraction and nitrogen absorption. Cements were formulated with the addition of different concentrations of calcium tungstate (CaWO4), resulting in four experimental groups according to the CS:CaWO4 ratio: CS100 (100:0), CS90 (90:10), CS80 (80:20), CS70 (70:30). The setting time, radiopacity, compressive strength, pH, calcium release, cell proliferation and cell differentiation were used to characterize the cements. RESULTS CS particles were succesfully sinthesized. The addition of CaWO4 increased the radiopacity and did not influenced the setting time and the mechanical properties of cements. The pH of distilled water was increased for all groups and the CS100 and CS90 groups presented incresed calcium release. Reduced cell viability was found for CS70 while CS100 and CS90 presented higher ALP activity and % of mineralized nodules after 21 days. SIGNIFICANCE Sol-gel derived CS particles were sucssfully developed with potential to applied for the production of bioactive ceramic cements. The addition of 10% of CaWO4 resulted in cements with adequate properties and bioactivity being an alternative for regenerative endodontic treatments.
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Affiliation(s)
- Gabriela de Souza Balbinot
- Dental Materials Laboratory, School of Dentistry, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | | | - Julia Silveira Nunes
- Patology Laboratory, School of Dentistry, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Fernanda Visioli
- Patology Laboratory, School of Dentistry, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Fabricio Mezzomo Collares
- Dental Materials Laboratory, School of Dentistry, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.
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18
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Cosme-Silva L, Benetti F, Dal-Fabbro R, Gomes Filho JE, Sakai VT, Cintra LTA, Alvarez N, Ervolino E, Viola NV. Biocompatibility and biomineralization ability of Bio-C Pulpecto. A histological and immunohistochemical study. Int J Paediatr Dent 2019; 29:352-360. [PMID: 30620114 DOI: 10.1111/ipd.12464] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 10/04/2018] [Accepted: 12/13/2018] [Indexed: 11/28/2022]
Abstract
AIM To evaluate the inflammatory response, biomineralization and production of osteocalcin (OCN), osteopontin (OPN), and bone sialoprotein (BSP) of a new root filling material for primary teeth (Bio-C Pulpecto) compared to MTA. DESIGN Polyethylene tubes containing Bio-C Pulpecto, MTA, and empty tubes were implanted into the dorsal connective tissue. After 7, 15, 30, 60, and 90 days, the tubes with surrounding tissue were removed and histologically processed to be analysed using haematoxylin and eosin, von Kossa staining, or no staining for observation under polarized light and immunohistochemistry for the detection of OCN, OPN, and BSP. The Kruskal-Wallis test was used followed by Dunn's test. The significance level was set at 5%. RESULTS The inflammatory response observed with MTA and Bio-C Pulpecto was more exacerbated until the 15th day and decreased from 30 days on. No significant difference was found between control, MTA, and Bio-C Pulpecto (P > 0.05). Bio-C Pulpecto and MTA showed positivity for von Kossa and birefringent to polarized light. The immunolabelling for OCN, OPN, and BSP was more intense for MTA and Bio-C Pulpecto on days 60 and 90 (P > 0.05). CONCLUSION Bio-C Pulpecto was biocompatible, induced biomineralization and was immunopositive for osteogenic markers such as OCN, OPN, and BSP, similarly to MTA.
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Affiliation(s)
- Leopoldo Cosme-Silva
- Department of Restorative Dentistry, Araçatuba Dental School, Endodontics, UNESP-Univ Estadual Paulista, Araçatuba, São Paulo, Brazil
| | - Francine Benetti
- Department of Restorative Dentistry, Araçatuba Dental School, Endodontics, UNESP-Univ Estadual Paulista, Araçatuba, São Paulo, Brazil
| | - Renan Dal-Fabbro
- Department of Restorative Dentistry, Araçatuba Dental School, Endodontics, UNESP-Univ Estadual Paulista, Araçatuba, São Paulo, Brazil
| | - João Eduardo Gomes Filho
- Department of Restorative Dentistry, Araçatuba Dental School, Endodontics, UNESP-Univ Estadual Paulista, Araçatuba, São Paulo, Brazil
| | - Vivien T Sakai
- Department of Clinics and Surgery, School of Dentistry, Federal University of Alfenas (UNIFAL-MG), Alfenas, Minas Gerais, Brazil
| | - Luciano T A Cintra
- Department of Restorative Dentistry, Araçatuba Dental School, Endodontics, UNESP-Univ Estadual Paulista, Araçatuba, São Paulo, Brazil
| | - Nathalia Alvarez
- Department of Clinics and Surgery, School of Dentistry, Federal University of Alfenas (UNIFAL-MG), Alfenas, Minas Gerais, Brazil
| | - Edilson Ervolino
- Department of Basic Science, School of Dentistry, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
| | - Naiana V Viola
- Department of Clinics and Surgery, School of Dentistry, Federal University of Alfenas (UNIFAL-MG), Alfenas, Minas Gerais, Brazil
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19
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Mondelli JAS, Hoshino RA, Weckwerth PH, Cerri PS, Leonardo RT, Guerreiro-Tanomaru JM, Tanomaru-Filho M, da Silva GF. Biocompatibility of mineral trioxide aggregate flow and biodentine. Int Endod J 2018; 52:193-200. [PMID: 30035812 DOI: 10.1111/iej.12989] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 07/20/2018] [Indexed: 02/04/2023]
Abstract
AIM To evaluate the influence of powder-to-gel ratio (0.19 g powder to 50 μL of gel, thick MTA Flow, and 0.06 g powder to 50 μL of gel, fluid MTA Flow) on biocompatibility of MTA Flow (Ultradent Products Inc., South Jordan, UT, USA, lot: 2015122901) and compare it with Biodentine (Septodont Inc., Saint-Maur-des-Fossés, France, lot: B18542A). METHODOLOGY The materials were manipulated and inserted into polyethylene tubes for implantation in twenty rats. After 7, 15, 30 and 60 days, the specimens were removed and embedded in paraffin. Haematoxylin and eosin sections were used to count the number of inflammatory cells (IC) and fibroblasts mm-2 (Fb). In the Masson's trichrome-stained sections, the fibrous capsule thickness was measured; picrosirius red-stained sections were used for birefringent collagen quantification. The data were submitted to two-way ANOVA and Tukey test (P ≤ 0.05). RESULTS A significantly lower number of IC and consequently higher number of Fb were observed in the capsules adjacent to thick MTA Flow at all periods, in comparison with other materials (P ≤ 0.05). At 60 days, the quantity of birefringent collagen was significantly greater in the tissue in contact with thick MTA Flow, when compared with fluid MTA Flow and Biodentine. CONCLUSIONS Although thick MTA Flow induced a less intense inflammatory response, all evaluated materials are biocompatible because they allowed regression of this process after 60 days.
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Affiliation(s)
- J A S Mondelli
- Pro-Rectory of Research and Post-Graduation, Universidade do Sagrado Coração, Bauru, SP, Brazil
| | - R A Hoshino
- Department of Restorative Dentistry, Araraquara Dental School, UNESP - São Paulo State University, Araraquara, SP, Brazil
| | - P H Weckwerth
- Pro-Rectory of Research and Post-Graduation, Universidade do Sagrado Coração, Bauru, SP, Brazil
| | - P S Cerri
- Department of Morphology, Araraquara Dental School, UNESP - São Paulo State University, Araraquara, SP, Brazil
| | - R T Leonardo
- Department of Restorative Dentistry, Araraquara Dental School, UNESP - São Paulo State University, Araraquara, SP, Brazil
| | - J M Guerreiro-Tanomaru
- Department of Restorative Dentistry, Araraquara Dental School, UNESP - São Paulo State University, Araraquara, SP, Brazil
| | - M Tanomaru-Filho
- Department of Restorative Dentistry, Araraquara Dental School, UNESP - São Paulo State University, Araraquara, SP, Brazil
| | - G F da Silva
- Pro-Rectory of Research and Post-Graduation, Universidade do Sagrado Coração, Bauru, SP, Brazil
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Bueno CRE, Vasques AMV, Cury MTS, Sivieri-Araújo G, Jacinto RC, Gomes-Filho JE, Cintra LTA, Dezan-Júnior E. Biocompatibility and biomineralization assessment of mineral trioxide aggregate flow. Clin Oral Investig 2018; 23:169-177. [PMID: 29572687 DOI: 10.1007/s00784-018-2423-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 03/13/2018] [Indexed: 10/17/2022]
Abstract
OBJECTIVE Evaluate, in vivo, the biocompatibility via subcutaneous inflammatory tissue response and mineralization ability of the new MTA Flow compared to MTA Angelus and ProRoot MTA. MATERIALS AND METHODS Forty male Wistar rats were assigned and received subcutaneous polyethylene tube implants containing the test materials and a control group with empty tube (n = 10 animals/group). After days 7, 15, 30, and 60, the animals were euthanized and the polyethylene tubes were removed with the surrounding tissues. Inflammatory infiltrate and thickness of the fibrous capsule were histologically evaluated. Mineralization was analyzed by Von Kossa staining and under polarized light. Data were analyzed via Kruskal-Wallis and Dunn's test with a significance level of 5%. RESULTS MTA Angelus induced the mildest reaction after 7 (P > .05) and 15 days (P < .05) followed by MTA Flow, both cements achieving mild inflammatory reaction after 15 days. ProRoot MTA induced a severe inflammation on day 7 and was reducing after day 15 (P > .05). No difference was observed after days 30 or 60 (P > .05). Von Kossa staining and birefringent structures were positive to all materials. CONCLUSIONS At the end of the experiment, the novel MTA Flow showed biocompatibility and induced biomineralization in all time periods. CLINICAL RELEVANCE The final consistence obtained in MTA Flow may facilitate several procedures, indicating that the MTA Flow has a promising application in endodontics.
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Affiliation(s)
- Carlos Roberto Emerenciano Bueno
- Department of Endodontics, Araçatuba School of Dentistry, Sao Paulo State University (Unesp), R: José Bonifácio, 1193, Vila Mendonça, Araçatuba/São Paulo, 16015-050, Brazil
| | - Ana Maria Veiga Vasques
- Department of Endodontics, Araçatuba School of Dentistry, Sao Paulo State University (Unesp), R: José Bonifácio, 1193, Vila Mendonça, Araçatuba/São Paulo, 16015-050, Brazil
| | - Marina Tolomei Sandoval Cury
- Department of Endodontics, Araçatuba School of Dentistry, Sao Paulo State University (Unesp), R: José Bonifácio, 1193, Vila Mendonça, Araçatuba/São Paulo, 16015-050, Brazil
| | - Gustavo Sivieri-Araújo
- Department of Endodontics, Araçatuba School of Dentistry, Sao Paulo State University (Unesp), R: José Bonifácio, 1193, Vila Mendonça, Araçatuba/São Paulo, 16015-050, Brazil
| | - Rogério Castilho Jacinto
- Department of Endodontics, Araçatuba School of Dentistry, Sao Paulo State University (Unesp), R: José Bonifácio, 1193, Vila Mendonça, Araçatuba/São Paulo, 16015-050, Brazil
| | - João Eduardo Gomes-Filho
- Department of Endodontics, Araçatuba School of Dentistry, Sao Paulo State University (Unesp), R: José Bonifácio, 1193, Vila Mendonça, Araçatuba/São Paulo, 16015-050, Brazil
| | - Luciano Tavares Angelo Cintra
- Department of Endodontics, Araçatuba School of Dentistry, Sao Paulo State University (Unesp), R: José Bonifácio, 1193, Vila Mendonça, Araçatuba/São Paulo, 16015-050, Brazil
| | - Eloi Dezan-Júnior
- Department of Endodontics, Araçatuba School of Dentistry, Sao Paulo State University (Unesp), R: José Bonifácio, 1193, Vila Mendonça, Araçatuba/São Paulo, 16015-050, Brazil.
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