Erciyes University - AVESIS
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Assessment of the Remineralization Potential of Boron Nitride Nanoparticles Versus Conventional Agents on Artificial Enamel Lesions
No full textObjectives: This study aimed to compare the effects of nano-silver fluoride (SDF), casein phosphopeptide-amorphous calcium phosphate fluoride (CPP-ACPF), and boron nitride (BN) on the remineralization of artificial initial enamel lesions. Materials and Methods: A total of 32 sound permanent maxillary incisor teeth were used in this study. Three 2 × 2 mm sections were obtained from each tooth. One section from each tooth remained untreated and was used as a control; the second section was demineralized and served as a demineralization control, while the third section was subjected to remineralization treatment following demineralization. The samples were randomly assigned to four groups, each containing eight teeth (n = 8). The study groups were as follows: Group 1 (Control): Stored in artificial saliva for 2 weeks; Group 2: SDF-treated group; Group 3: CPP-ACPF-treated group; Group 4: BN-treated group. Following demineralization and remineralization treatments, the samples were evaluated using surface microhardness, surface roughness, SEM, SEM–EDX, and QLF tests. The obtained data were statistically analyzed. Results: When the surface hardness of the samples was compared after demineralization and remineralization treatments, a statistically significant increase in surface hardness was observed in the SDF, CPP-ACPF, and BN groups after remineralization applications (p < 0.05). When the Ca and Ca/P ratios before and after remineralization treatments were compared, a statistically significant increase was observed in the CPP-ACPF and BN groups, while a statistically significant decrease was observed in the SDF group (p < 0.05). When surface roughness values were compared before and after remineralization treatments, a statistically significant increase was observed after demineralization (p < 0.05); however, a statistically significant decrease in surface roughness was observed after the application of SDF, CPP-ACPF, and BN to the demineralized samples (p < 0.05). When the ΔF, ΔFmax, and ΔQ values were compared before and after remineralization, a statistically significant decrease was observed in all three groups (SDF, CPP-ACPF, and BN) after remineralization treatments (p < 0.05). Conclusion: BN application appears to be promising in the remineralization of initial caries lesions. Clinical Significance: Given their bioactivity, chemical stability, and potential antimicrobial properties, BN nanoparticles may offer a novel approach for enhancing enamel repair in non-invasive caries management strategies
The performance of Ag2S/X (X: Co and Ni) nanocrystals as counter electrodes in dye-sensitized solar cells
No full textIn the present study, Silver sulfide (Ag2S)-based nanocrystals (NCs) were synthesized by employing a facile hot injection method. These NCs are utilized as counter electrodes on dye-sensitized solar cells (DSSCs), representing a smart approach that utilizes these NCs as catalysts instead of platinum (Pt) for the first time. The study provides a comparative analysis of the performance of Ag2S-based counter electrodes (CEs) in DSSCs technologies the traditionally compared Pt-based electrodes under identical conditions. The findings showed that the Ag2S-based DSSCs exhibited a power conversion efficiency (eta) that was approximately 5.2 % higher than that of the platinum-based DSSCs. Consequently, the results of this study demonstrate that Ag2S-based NCs possess the potential to function as novel counter electrode materials for low-cost, Pt-free solar cells. Moreover, the results of this study bear considerable implications for the development of cost-effective and sustainable solar energy solutions. The advent of Ag2S-based NCs signifies a significant milestone in the quest for sustainable and efficient energy solutions. This study also invites further exploration into other potential material combinations and synthesis methods that could enhance the properties and performance of DSSCs
Morphological, pomological, biochemical, phenolic contents, and molecular characterization of rosehip (Rosa canina L.) genotypes naturally grown in the Eastern Central Anatolia Region of Türkiye
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A Comparative Study of Humour Translation Strategies in the Turkish and Persian Dubbings of Shrek 2
No full textLithium-doped resorcinol–formaldehyde xerogels for high-power-density aqueous symmetric supercapacitors
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İdyopatik Pulmoner Fibrozis Dışı İnterstisyel Akciğer Hastalıklarında Bronkoalveolar Lavaj Sıvısında Oto-antikor Tayininin Ayırıcı Tanıdaki Yeri
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