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Shid-Moosavi TS, Mohammadi N, Gharamani Y, Motamedifar M, Alizadeh AA. Evaluating antimicrobial activity and cytotoxicity of silver nanoparticles incorporated into reinforced zinc oxide eugenol: an in vitro study. Eur Arch Paediatr Dent 2024; 25:443-450. [PMID: 38724869 DOI: 10.1007/s40368-024-00905-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 04/15/2024] [Indexed: 07/11/2024]
Abstract
PURPOSE This study aimed to evaluate the antibacterial and cytotoxic effects of reinforced zinc oxide-eugenol (rZOE) incorporated with different concentrations of silver nanoparticles (AgNPs). METHODS The pastes of rZOE alone or mixed with AgNPs at concentrations of 1%, 2%, and 5% of weight were prepared. In vitro antimicrobial activity of prepared materials against Streptococcus (S.) mutans and Lactobacillus (L.) acidophilus were evaluated after 2, 4, and 6 h of contact times using direct contact test (DCT) and also following 24 h incubation by well-diffusion test (WDT). The cytotoxicity of the tested materials on human dental pulp stem cells was also determined by MTT assay. RESULTS The DCT demonstrated that the time-dependent reductions of the colony numbers of both bacteria by three different concentrations of AgNPs incorporated into rZOE were equal but steeper than the rZOE alone (P < 0.05). The increases in growth inhibition zones of S. mutans and L. acidophilus were associated with the increasing concentration of AgNPs mixed with rZOE in the WDT; however, statistical analysis did not show any significant differences (P = 0.092). The MTT assay revealed a significantly lower percentage of cell viability after 1 day of culture only with the rZOE + AgNP5% in comparison to the rZOE alone (P = 0.011) and the control medium (P = 0.001). CONCLUSION Since the antimicrobial activities of three different concentrations of AgNPs incorporated into rZOE were equal and AgNPs had lower toxicity at lower concentrations, using AgNPs at 1% concentration is suggested to be mixed with rZOE.
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Affiliation(s)
- T S Shid-Moosavi
- Department of Pediatric Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - N Mohammadi
- Department of Pediatric Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
- Oral and Dental Disease Research Center, Shiraz Dental School, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Y Gharamani
- Department of Endodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - M Motamedifar
- Shiraz HIV/AIDS Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - A A Alizadeh
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
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Sularsih S, Fransiska W, Salsabila S, Rahmitasari F, Soesilo D, Prananingrum W. Potency of the Combination of Chitosan and Hydroxyapatite on Angiogenesis and Fibroblast Cell Proliferation in Direct Pulp Capping of Rattus norvegicus. Eur J Dent 2024. [PMID: 38698616 DOI: 10.1055/s-0044-1782212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2024] Open
Abstract
OBJECTIVES The aim of this research was to analyze expression of vascular endothelial growth factor (VEGF), blood vessels, and fibroblast cell proliferation in direct pulp capping treatment of Rattus norvegicus using a combination of chitosan and hydroxyapatite paste. MATERIALS AND METHODS The samples were male R. norvegicus strains of Wistar rats, weighing 200 to 250 g and aged between 8 and 16 weeks. The occlusal surface of the molars of R. norvegicus was prepared with class I cavity and then perforated with the tip of an explorer. Sixty male R. Norvegicus rats were divided into the following: control group (KA) in which the cavity was filled with glass ionomer cement; control group (KB), in which the cavity was filled with Ca(OH)2; PA group, in which the cavity was filled with chitosan (CH); PB group, in which the cavity was filled with hydroxyapatite (HA); and PC group, in which the cavity was filled with chitosan and hydroxyapatite (CH-HA). Each group was divided into 3-, 7-, and 14-day observation groups. The mandibular bone of the molar was cut and histopathological examination was performed to analyze the blood vessels and fibroblast cell proliferation. Immunohistochemistry examination was done to examine the expression of VEGF. STATISTICAL ANALYSIS The data variation was analyzed with One Way Analysis of Variance (ANOVA) test and continued with multiple comparison Least Significant (LSD) test to determine the different pairs of group. RESULTS Analysis of variance (ANOVA) showed a significant increase in the expression of VEGF, blood vessels, and fibroblast cell proliferations (p ≤ 0.05;), especially in the PC group compared to the other four groups. The least significant test (LSD) test showed significant differences between the groups on the expression of VEGF, blood vessels, and fibroblast cell proliferations. CONCLUSION The combination of chitosan and hydroxyapatite could promote healing of direct pulp capping treatment by increasing the expression of VEGF, blood vessel, and fibroblast cell proliferation.
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Affiliation(s)
- Sularsih Sularsih
- Department of Dental Materials, Faculty of Dentistry, Universitas Hang Tuah, Surabaya, Indonesia
| | - Wanli Fransiska
- Faculty of Dentistry, Universitas Hang Tuah, Surabaya, Indonesia
| | - Syifa Salsabila
- Faculty of Dentistry, Universitas Hang Tuah, Surabaya, Indonesia
| | - Fitria Rahmitasari
- Department of Dental Materials, Faculty of Dentistry, Universitas Hang Tuah, Surabaya, Indonesia
| | - Diana Soesilo
- Department of Conservative Dentistry, Faculty of Dentistry, Universitas Hang Tuah, Surabaya, Indonesia
| | - Widyasri Prananingrum
- Department of Dental Materials, Faculty of Dentistry, Universitas Hang Tuah, Surabaya, Indonesia
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Moradi Z, Abbasi M, Bahador A, Yekaninejad MS, Khanghah XM, Hoseini AP, Ranjbar Omrani L. Evaluation of cytotoxicity and antibacterial activity of different pulp capping liners. Biomater Investig Dent 2023; 10:2287019. [PMID: 38204476 PMCID: PMC10763819 DOI: 10.1080/26415275.2023.2287019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 11/20/2023] [Indexed: 01/12/2024] Open
Abstract
This study compares the cytotoxicity and antibacterial activity of five pulp capping liners. This in vitro study was conducted on Fuji II LC glass ionomer, Dycal, Calcimol LC, TheraCal LC, and ACTIVA BioACTIVE. For cytotoxicity, the (MTT) methyl thiazolyl tetrazolium assay was performed on 3 samples from each group of human dental pulp cells (HDPSCs) after 24 h of incubation. The direct contact test (DCT) for antibacterial activity, 6 samples (3 for each material, and 3 for negative control), from each liner were made to evaluate Streptococcus mutans (S. mutans), Lactobacillus casei (L. casei), and Lactobacillus acidophilus (L. acidophilus). Data were analyzed by one-way ANOVA and Tukey's post-hoc test (alpha = 0.05). Data analysis showed that the cytotoxicity of the materials was significantly different (p < 0.001). Fuji II LC and ACTIVA BioACTIVE showed strong cytotoxicity, TheraCal LC moderate cytotoxicity, and Dycal and Calcimol LC slight cytotoxicity. The analysis also revealed a significant difference among the materials regarding antibacterial activity (p < 0.001). Tukey's test showed that the mean percentage of reduction in colony count was significant for all liners compared with the positive control (p < 0.001). The mean percentage of reduction in colony count for Dycal was significantly greater than that of Fuji II LC (p = 0.014), Calcimol LC (p = 0.003), and TheraCal LC (p = 0.001). ACTIVA BioACTIVE did not significantly differ from the other materials as regards antibacterial activity. Dycal showed significantly higher antibacterial activity than the other materials.
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Affiliation(s)
- Zohre Moradi
- Dental Research Center, Dentistry Institue, Restorative Dentistry Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahdi Abbasi
- Dental Research Center, Dentistry Institue, Restorative Dentistry Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Bahador
- Oral Microbiology Laboratory, Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mir Saeed Yekaninejad
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Xaniar Mohammadi Khanghah
- Department of Maxillofacial Surgery, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirahmad Pahlavan Hoseini
- Department of Prosthodontics, Islamic Azad University Dental Branch of Medical sciences, Dental School, Tehran, Iran
| | - Ladan Ranjbar Omrani
- Dental Research Center, Dentistry Institue, Restorative Dentistry Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
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Makarla S, Venugopal R, Bavle RM, Selvan AK, Muniswamappa SS, Dinesh R. Determining the best anti-microbial properties of dental cements used for pulp capping procedures using deep dentinal carious material. J Oral Maxillofac Pathol 2023; 27:239. [PMID: 37234309 PMCID: PMC10207218 DOI: 10.4103/jomfp.jomfp_109_21] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 10/19/2022] [Accepted: 12/16/2022] [Indexed: 05/27/2023] Open
Abstract
Introduction The exposure of the healthy pulp in cases of deep dentinal caries (DDC) that contain carious microorganisms can be prevented by placing a layer of pulp capping agent on the affected dentin. The cements used for pulp-capping should also ensure good anti-microbial properties. The present study was carried out to detect the antimicrobial efficacy of the commonly used cements by culturing the samples directly from DDC. Aims To determine the efficacy of dental cements in the growth inhibition of microorganisms involved in DDC using direct contact anaerobic culture test. Method 100 samples of DDC were collected in RTF. Ten microliters of the specimen containing RTF was incubated in thioglycolate broth consisting of 1 mm3 cement blocks of GIC, CaOH2, ZnOE and MTA anaerobically for 24 hours. This was further sub-cultured using selective media for streptococcus mutans, lactobacillus and bifidobacterium. Growth inhibition was measured by calculating the number of CFUs and statistically analysed using ANOVA and Tukey's post-hoc tests. Results Tests showed variation in the anti-microbial effects of the cements and was highly significant at P < 0.001. Bifidobacterium showed most number of CFUs. MTA was the most effective pulp capping agent exhibiting 87.13% reduction in microbial growth, followed closely by ZnOE (84.6%). Conclusion A conservative approach to treat DDC is the need of the hour which calls for the use of pulp capping cements of good antimicrobial efficacy. The current study revealed bifidobacterium to be the most prevalent in DDC and the cement that would best inhibit the mixed culture growth was MTA followed closely by ZnOE.
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Affiliation(s)
- Soumya Makarla
- Department of Oral and Maxillofacial Pathology, Krishnadevaraya College of Dental Sciences and Hospital, Bangalore, Karnataka, India
| | - Reshma Venugopal
- Department of Oral and Maxillofacial Pathology, Krishnadevaraya College of Dental Sciences and Hospital, Bangalore, Karnataka, India
| | - Radhika M. Bavle
- Department of Oral and Maxillofacial Pathology, Krishnadevaraya College of Dental Sciences and Hospital, Bangalore, Karnataka, India
| | - Arul K. Selvan
- Microbiology, Krishnadevaraya College of Dental Sciences and Hospital, Bangalore, Karnataka, India
| | - Sudhakara S. Muniswamappa
- Department of Oral and Maxillofacial Pathology, Krishnadevaraya College of Dental Sciences and Hospital, Bangalore, Karnataka, India
| | - Rathidevi Dinesh
- Department of Oral and Maxillofacial Pathology, Krishnadevaraya College of Dental Sciences and Hospital, Bangalore, Karnataka, India
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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: 40] [Impact Index Per Article: 20.0] [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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Pelepenko LE, Saavedra F, Antunes TBM, Bombarda GF, Gomes BPFDA, Zaia AA, Marciano MA. Investigation of a modified hydraulic calcium silicate-based material - Bio-C Pulpo. Braz Oral Res 2021; 35:e077. [PMID: 34161414 DOI: 10.1590/1807-3107bor-2021.vol35.0077] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022] Open
Abstract
This study evaluated the physicochemical, biological, and antimicrobial properties of a new hydraulic calcium silicate-based modified material, and compared it with MTA Repair HP and MTA Angelus. The materials were assessed regarding color luminosity (L), color change, radiopacity, setting time, and ISO 6876:2012 linear flow. Volumetric filling and volume change were evaluated using microcomputed-tomography (µCT). Chemical characterization after 28 days in Hank's Balanced Salt Solution (HBSS) and pH analysis were also assessed. Biological characterization of cytotoxicity and microbiological assessment were also undertaken. Shapiro-Wilk, ANOVA, Levene and post hoc analyses with Bonferroni correction were performed, adopting a 5% significance level (p <0.05). Bio-C Pulpo exhibited the highest L values after 90 days. All tested materials demonstrated color change during the analyses, and had radiopacity above 5 mm Al. MTA Repair HP set faster than Bio-C Pulpo, whereas the latter had the highest linear flow. MTA Repair HP had the highest volumetric filling in µCT analysis. Bio-C Pulpo showed the highest alkalinity during all tested periods, and the highest volumetric loss (above 9%), in comparison with MTA Repair HP and MTA Angelus. Bio-C Pulpo did not form calcium hydroxide after hydration. MTA Repair HP demonstrated the highest cytocompatibility, and Bio-C Pulpo, the highest cytotoxicity. No inhibition halos were observed for any material, and similar higher turbidity values were seen after direct contact. Composition additives used in Bio-C Pulpo modified its properties, and both the absence of calcium hydroxide deposition after hydration, and the related cytotoxicity of this material are of particular concern.
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Affiliation(s)
- Lauter Eston Pelepenko
- Universidade Estadual de Campinas - Unicamp, Piracicaba Dental School, Department of Restorative Dentistry, Piracicaba, SP, Brazil
| | - Flávia Saavedra
- Universidade Estadual de Campinas - Unicamp, Piracicaba Dental School, Department of Restorative Dentistry, Piracicaba, SP, Brazil
| | - Thiago Bessa Marconato Antunes
- Universidade Estadual de Campinas - Unicamp, Piracicaba Dental School, Department of Restorative Dentistry, Piracicaba, SP, Brazil
| | - Gabriela Fernanda Bombarda
- Universidade Estadual de Campinas - Unicamp, Piracicaba Dental School, Department of Restorative Dentistry, Piracicaba, SP, Brazil
| | | | - Alexandre Augusto Zaia
- Universidade Estadual de Campinas - Unicamp, Piracicaba Dental School, Department of Restorative Dentistry, Piracicaba, SP, Brazil
| | - Marina Angélica Marciano
- Universidade Estadual de Campinas - Unicamp, Piracicaba Dental School, Department of Restorative Dentistry, Piracicaba, SP, Brazil
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Pourhajibagher M, Ranjbar Omrani L, Noroozian M, Ghorbanzadeh Z, Bahador A. In vitro antibacterial activity and durability of a nano-curcumin-containing pulp capping agent combined with antimicrobial photodynamic therapy. Photodiagnosis Photodyn Ther 2020; 33:102150. [PMID: 33346058 DOI: 10.1016/j.pdpdt.2020.102150] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 11/26/2020] [Accepted: 12/07/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND Considering the antibacterial properties of nano-curcumin (nCur) reinforced with antimicrobial photodynamic therapy (aPDT), this study aimed to assess the antibacterial activity and durability of Activa BioActive Base/Liner (ABBL) containing nCur (nCur-ABBL) as a pulp capping agent against Streptococcus mutans, the most common cause of secondary caries. MATERIALS AND METHODS In this in vitro experimental study, ABBL discs containing 0.5 %, 1%, 2%, and 5% (w/w) concentrations of nCur were fabricated. After aPDT using light emitting diode (LED) at 435 ± 20 nm wavelength for 5 min, the discs were undergone aging in artificial saliva for 90 days. The antibacterial activity of the discs against S. mutans was evaluated by the disc agar diffusion test, and the number of bacterial colonies present in the biofilm formed on the disc surfaces was counted after 0, 15, 30, and 60 days of aging. RESULTS The maximum growth inhibition zone was noted around the 5% nCur-ABBL discs. Increasing the concentration of nCur from 0.5 % to 5% combined with aPDT significantly decreased the number of S. mutans colonies in the biofilm over time (P < 0.05). nCur-ABBL discs containing 2% and 5% nCur had no difference in antibacterial activity at any time point up to 60 days (P > 0.05). CONCLUSION According to our data, 5% nCur-ABBL revealed the largest growth inhibition zone in S. mutans culture. Moreover, 5% nCur can serve as an excellent ABBL additive in aPDT producer against S. mutans biofilms up to 60 days of aging period.
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Affiliation(s)
- Maryam Pourhajibagher
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ladan Ranjbar Omrani
- Restorative Dentistry Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Noroozian
- Department of Orthodontics, School of Dentistry, Ilam University of Medical Sciences, Ilam, Iran; Student Research Committee, School of Dentistry, Ilam University of Medical Sciences, Ilam, Iran
| | - Zahra Ghorbanzadeh
- School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Bahador
- Oral Microbiology Laboratory, Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Fellowship in Clinical Laboratory Sciences, Iran University of Medical Sciences, Tehran, Iran.
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Araújo IDT, Soares RB, Lopes CP, Ferreira IÁ, Borges BCD. Influence of exposure to phosphoric and polyacrylic acids on selected microscopic and physical/chemical properties of calcium hydroxide cements. Eur Oral Res 2020; 54:69-76. [PMID: 33474550 PMCID: PMC7787514 DOI: 10.26650/eor.20200057] [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] [Indexed: 11/20/2022] Open
Abstract
Purpose: This study aimed to evaluate if the contact of calcium hydroxide cements with
polyacrylic and phosphoric acids would alter selected microscopic and physical
and chemical properties. Materials and methods: Chemically activated (Hydro C and Dycal Advanced Formula II) and resin-modified
photoactivated (Ultra-blend Plus) calcium hydroxide cements were examined after
exposure to the following different strategies: contact with no substance (control
group); rinsing with water and drying; contact with polyacrylic acid, rinsing with
water, and drying; and contact with phosphoric acid, rinsing with water, and drying.
Surface morphology, determined by scanning electron microscopy (SEM), water
sorption and solubility, and the release of hydroxyl ions were evaluated. Results: SEM showed a greater impact of the conditioning acids on the surface of the
chemically activated cements. Ultra-blend Plus obtained the highest value of
sorption (516.8 μg/mm3) and solubility (381.1 μg/mm3) and Hydro C had the lowest
values 251.9 μg/mm3 and 206.3 μg/mm3 respectively. Considering the release of
hydroxyl ions in comparison with time, Hydro C and Ultra-blend Plus presented
significant statistical difference for polyacrylic and phosphoric acid subgroups. Conclusion: Hydro C and Dycal presented intensification of surface irregularities after contact
with conditioning acids. The chemically activated materials suffered a decrease
in sorption and solubility. The action of the conditioning acids promotes greater
increase of the release of hydroxyl ions for Hydro C and Dycal.
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Affiliation(s)
| | - Renato Barbosa Soares
- Department of Dentistry, Federal University of Rio Grande do Norte (UFRN), Natal, RN,Brazil
| | - Camila Pessoa Lopes
- Department of Dentistry, Federal University of Rio Grande do Norte (UFRN), Natal, RN,Brazil
| | - Isana Álvares Ferreira
- Department of Dentistry, Federal University of Rio Grande do Norte (UFRN), Natal, RN,Brazil
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Fan ML, He LB, Li JY. [Recent advances in direct pulp capping materials]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2018; 36:675-680. [PMID: 30593117 DOI: 10.7518/hxkq.2018.06.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The long-term effect of direct pulp capping and pulpotomy is closely related to the type of pulp capping materials. Various kinds of direct pulp capping materials are available, such as calcium hydroxide and mineral trioxide aggregates. Diverse new pulp capping materials have been reported recently. The excellent performance of calcium silicates has attracted much attention in previous studies. Moreover, enamel matrix derivative (Emdogain), which is capable of regeneration and remineralization, and other materials with similar capabilities have shown potential for use in pulp capping.
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Affiliation(s)
- Meng-Lin Fan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Conservative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Li-Bang He
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Conservative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Ji-Yao Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Conservative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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Evaluation of antibacterial properties on polysulfone composite membranes using synthesized biogenic silver nanoparticles with Ulva compressa (L.) Kütz. and Cladophora glomerata (L.) Kütz. extracts. Int J Biol Macromol 2018; 107:157-165. [DOI: 10.1016/j.ijbiomac.2017.08.149] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 07/31/2017] [Indexed: 11/22/2022]
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Abstract
OBJECTIVE This review integrates the literature on cavity liners and current concepts of pulp protection with the aim of establishing a better understanding of the role of calcium hydroxide as a cavity liner. MATERIALS AND METHODS A search was conducted through PubMed, MEDLINE, and Ovid for articles with the criteria for the following terms: cavity liners and bases, pulp protection, and calcium hydroxide liners. No specific inclusion or exclusion criteria were applied as to what articles would be included in this review. It was hoped that the extent of the literature reviewed would be as comprehensive as possible. CONCLUSION This review underlines the fact that calcium hydroxide liners should only be used in the deepest spots in the cavity where the remaining dentine thickness is ≤0.5 mm. A protective layer of resin-modified glass ionomer should always follow the application of calcium hydroxide liners.
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Affiliation(s)
- Naji Ziad Arandi
- Faculty of Dentistry, The Arab American University, Jenin, Palestine
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12
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Komabayashi T, Zhu Q, Eberhart R, Imai Y. Current status of direct pulp-capping materials for permanent teeth. Dent Mater J 2017; 35:1-12. [PMID: 26830819 DOI: 10.4012/dmj.2015-013] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Direct pulp-capping is a method for treating exposed vital pulp with dental material to facilitate the formation of reparative dentin and to maintain vital pulp. Two types of pulp-capping materials, calcium hydroxide and mineral trioxide aggregate, have been most commonly used in clinics, and an adhesive resin has been considered a promising capping material. However, until now, there has been no comprehensive review of these materials. Therefore, in this paper, the composition, working mechanisms and clinical outcome of these types of pulp-capping materials are reviewed.
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Vazquez-Garcia F, Tanomaru-Filho M, Chávez-Andrade GM, Bosso-Martelo R, Basso-Bernardi MI, Guerreiro-Tanomaru JM. Effect of Silver Nanoparticles on Physicochemical and Antibacterial Properties of Calcium Silicate Cements. Braz Dent J 2017; 27:508-514. [PMID: 27982226 DOI: 10.1590/0103-6440201600689] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2016] [Accepted: 07/07/2016] [Indexed: 11/22/2022] Open
Abstract
Mineral trioxide aggregate (MTA) and Portland cement (PC) are calcium silicate cements. They have similar physicochemical, mechanical and biological properties. The addition of zirconium oxide (ZrO2) to PC provides radiopacity. Silver nanoparticles (AgNPs) may improve some properties of cements. The aim of this study was to evaluate the effect of AgNPs on physicochemical/mechanical properties and antibacterial activity of white MTA (WMTA) and PC associated with ZrO2. The following materials were evaluated: WMTA; PC 70% + ZrO2 30%; WMTA+ AgNPs; and PC 70% + ZrO2 30% + AgNPs. The study evaluated radiopacity, setting time, pH, compressive strength and solubility. For radiopacity analysis, radiographs were made alongside an aluminum (Al) step wedge. To evaluate the antibacterial activity, direct contact test was performed on planktonic cells and Enterococcus faecalis biofilm induced on bovine root dentin for 14 days. The experimental periods were 5 and 15 h. Data were obtained as CFU mL-1. The obtained data were submitted to ANOVA and Tukey tests (p<0.05). The addition of AgNPs to WMTA increased the pH, lowered the solubility and the initial and final setting times. The addition of AgNPs to PC/ZrO2 maintained the pH, lowered the solubility, and increased the setting time and compressive strength. The radiopacity of all materials was higher than 4 mmAl. The addition of AgNPs promoted an increase in antibacterial activity for calcium silicate cements and favored the physicochemical and mechanical properties of the materials.
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Affiliation(s)
- Fernando Vazquez-Garcia
- Department of Restorative Dentistry, Araraquara Dental School, UNESP - Universidade Estadual Paulista, Araraquara, SP, Brazil
| | - Mário Tanomaru-Filho
- Department of Restorative Dentistry, Araraquara Dental School, UNESP - Universidade Estadual Paulista, Araraquara, SP, Brazil
| | - Gisselle Moraima Chávez-Andrade
- Department of Restorative Dentistry, Araraquara Dental School, UNESP - Universidade Estadual Paulista, Araraquara, SP, Brazil
| | - Roberta Bosso-Martelo
- Department of Dental Clinic, Dental School, UFBA - Universidade Federal da Bahia, Salvador, BA, Brazil
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Schwendicke F, Tu YK, Hsu LY, Göstemeyer G. Antibacterial effects of cavity lining: A systematic review and network meta-analysis. J Dent 2015; 43:1298-307. [DOI: 10.1016/j.jdent.2015.07.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2015] [Revised: 06/26/2015] [Accepted: 07/01/2015] [Indexed: 11/16/2022] Open
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