Effect of Incorporation of Lanthanum and Cerium-doped Hydroxyapatite on Acrylic Bone Cement Produced from Phosphogypsum Waste

Hamdy, Tamer M.; Mousa, Ahmed S.; Sherief, Marwa A.

doi:10.21608/ejchem.2019.17446.2069

Cited by 12 publications

(9 citation statements)

References 33 publications

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“…The continuous development of nanotechnology in the field of restorative dentistry provides a challenging achievement in the synthesis of the resin composite, including nano-filled and nanohybrid resin composites [ 2 ]. Nanohybrid resin composites are the most propitious due to their improvement in the distribution of fillers into matrix by incorporation of both traditional submicron particles, together with emerging nanoparticles, which, in turn, provides enhanced mechanical and optical properties [ 3 , 4 , 5 , 6 , 7 ]. Currently, nanohybrid resin composite is employed as a suitable direct posterior dental restorative material that has expressed adequate durability in clinical investigations [ 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of Different Mouthwashes on the Surface Microhardness and Color Stability of Dental Nanohybrid Resin Composite

et al. 2023

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Background: Surface microhardness and color stability of dental restorative material should be sustained throughout its functional lifetime to maintain the esthetic quality of the restoration. However, the frequent application of mouthwash may affect their surface microhardness and color stability. The aim of this study was to evaluate the effects of different types of mouthwashes with different contents on surface microhardness and color stability of dental nanohybrid resin-based composite. Methods: Disc specimens of nanohybrid resin composite (Luna Nano-Hybrid Composite) were prepared according to manufacturing instructions; specimens were incubated for 24 h in three types of mouthwash (Chlorohexidine, Listerine Green Tea, and Colgate Optic White Whitening Mouthwash). Artificial saliva was used as a control group. Surface microhardness was evaluated using Vickers microhardness device. Color stability after and before immersion in the different mouthwashes was evaluated using extra-oral spectrophotometer; the values of color change (ΔE00) were subsequently calculated. Data were analyzed using one-way ANOVA and post hoc test (p ≤ 0.05). Results: There was no significant difference between microhardness of resin composite immersed in artificial saliva, CHX, and Green Tea mouthwashes (78.5, 78.4, and 73.5, respectively) (p ≥ 0.1), while the bleaching mouthwash led to the lowest microhardness of resin composite, with significant difference compared to the three previous immersion media (p = 0.002). Moreover, there were significant differences in the color changes (ΔE00) of resin composite exposed to the various immersion media (p = 0.0001). Conclusions: The bleaching mouthwash led to a significant reduction in nanohybrid resin composite’s microhardness compared to the chlorohexidine and Green Tea containing mouthwashes. The resin composite’s color change was accepted in bleaching mouthwash but unaccepted in chlorohexidine and Green Tea containing mouthwashes.

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Section: Introductionmentioning

confidence: 99%

Effect of Different Mouthwashes on the Surface Microhardness and Color Stability of Dental Nanohybrid Resin Composite

et al. 2023

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“…The release of calcium ions from the root canal sealers has great significance because it promotes a strong chemical bond and enhances bioactivity through the precipitation of the apatite-like layer with the dentin wall [ 30 , 53 , 54 ]. ICP could be used for the detection of calcium ions released in solution.…”

Section: Discussionmentioning

confidence: 99%

Physicochemical properties of AH plus bioceramic sealer, Bio-C Sealer, and ADseal root canal sealer

Hamdy,

Galal,

Ismail

et al. 2024

Head Face Med

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Background The aim of this study was to evaluate the physicochemical properties of two newly introduced premixed calcium silicate-based root canal sealers (AH Plus Bioceramic Sealer and Bio-C Sealer) compared to a resin-based root canal sealer (ADseal root canal sealer). Methods Solubility, pH analysis, calcium ion release, and film thickness of each sealer were evaluated following ISO guidelines. The data were examined using the two-way ANOVA test. Furthermore, X-ray diffraction (XRD) examination was performed to investigate the crystalline phase of each type of sealer. X-ray fluorescence (XRF) analysis was done for the chemical elemental analysis of each sealer. Results The least film thickness, highest alkalinity, and highest calcium ion release were all displayed by AH Plus Bioceramic Sealer. High solubility, high alkalinity, intermediate calcium ion release, and intermediate film thickness were all displayed by Bio-C Sealer. While ADseal root canal sealer displayed the greatest film thickness, least solubility, alkalinity, and calcium ion release. Conclusions Both AH Plus Bioceramic Sealer and Bio-C Sealer represented adequate properties to be considered a good sealer that could be used as a potential alternative to resin-based root canal sealers.

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“…Infectious agents, such as fungi and bacteria, may cause this condition. Bacteria are often to blame [1][2]. Patients with osteomyelitis are treated with antibiotics to prevent bone loss.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Antibacterial Activity of Calcium Phosphates Based Bone Cements for Biomedical Applications

Alshemary

Sarsık

Salman³

et al. 2021

Egypt. J. Chem.

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In orthopedics and traumatology surgeries, the repair of bone deformities is a concern. Pure and Cobalt (Co) doped Calcium phosphate (CaP) cements were successfully prepared in this study. The particles that had been manufactured were characterized. Three different methods were used to study the structure of the materials: Xray powder diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and Scanning electron microscope (SEM). The lattice characteristics, degree of crystallinity, and particle size of pure CaP bone cement were reduced dramatically with the incorporation of Co 2+ ions. The functional groups of CaP bone cements were detected via the FTIR technique. Antibacterial properties of pure and Co doped CaP bone cement were evaluated qualitatively against Escherichia coli (E. Coli, gram -), Methicillin-sensitive Staphylococcus aureus (MSSA, gram +). Methicillin-resistant Staphylococcus aureus (MRSA, gram +), Methicillin-resistant coagulase-negative staphylococci (MR-CoNS, gram +), and Pseudomonas aeruginosa (P. aeruginosa, gram -) bacteria for 24 h at 37 ºC. After analyzing the data, it was found that the inclusion of Co 2+ ions inhibited the growth of E. coli and MSSA bacteria. Antibacterial bone cements are potential material for preventing infection-related bone healing failures.

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Effect of Incorporation of Lanthanum and Cerium-doped Hydroxyapatite on Acrylic Bone Cement Produced from Phosphogypsum Waste

Cited by 12 publications

References 33 publications

Effect of Different Mouthwashes on the Surface Microhardness and Color Stability of Dental Nanohybrid Resin Composite

Effect of Different Mouthwashes on the Surface Microhardness and Color Stability of Dental Nanohybrid Resin Composite

Physicochemical properties of AH plus bioceramic sealer, Bio-C Sealer, and ADseal root canal sealer

Evaluation of Antibacterial Activity of Calcium Phosphates Based Bone Cements for Biomedical Applications

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