Diş Hekimliği Fakültesi / Faculty of Dentistry

Permanent URI for this collectionhttps://hdl.handle.net/11727/2120

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    Is The Repair Bond Strength Affected When Substrate And Repair Composite Are Not Of The Same Kind? A Systematic Review And Meta-Analysis: Effect Of Repair Composite On Repair Bond Strength
    (Başkent Üniversitesi Diş Hekimliği Fakültesi, 2024-03-21) Kose, Leyla Kerimova; Isik, Hatice; Eyuboglu, Tan Firat; Ozcan, Mutlu; Cehreli, Sevi Burcak; Arhun, Neslihan
    The aim was to evaluate the influence of repair resin type on repair bond strength in the direct resin restorations through a systematic review. Electronic databases MEDLINE via PubMed, Web of Science, Scopus, BBO, and LILACS were searched, and the reference lists of relevant studies were further hand-searched. A total of 15,709 articles that were browsed yielding to a final of five studies were included in meta-analysis. Analyses were performed using R software with the 'metafor' package, with standardized mean differences employed. A multi-level meta-analysis was conducted utilizing restricted maximum-likelihood estimates (p <= .05). In the shear bond strength group, significant heterogeneity was observed (Q = 50.274, p < .0001), whereas no significant heterogeneity was detected in the microtensile bond strength group (Q = 5.102, p = .4063). Separate analyses of both shear bond strength and microtensile bond strength groups showed no statistically significant differences between dissimilar and similar materials (p > .05). Egger's regression indicated no evidence of publication bias in either group. Sensitivity analyses revealed statistically insignificant pooled effect sizes for shear bond strength. In the microtensile group, one study influenced the results when excluded from the analysis. It could be suggested that the repair of composite resin with the same kind of resin composite is not mandatory.
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    Is The Repair Bond Strength Affected When Substrate And Repair Composite Are Not Of The Same Kind? A Systematic Review And Meta-Analysis: Effect Of Repair Composite On Repair Bond Strength
    (Başkent Üniversitesi Diş Hekimliği Fakültesi, 2024-03-21) Kose, Leyla Kerimova; Isik, Hatice; Eyuboglu, Tan Firat; Ozcan, Mutlu; Cehreli, Sevi Burcak; Arhun, Neslihan
    The aim was to evaluate the influence of repair resin type on repair bond strength in the direct resin restorations through a systematic review. Electronic databases MEDLINE via PubMed, Web of Science, Scopus, BBO, and LILACS were searched, and the reference lists of relevant studies were further hand-searched. A total of 15,709 articles that were browsed yielding to a final of five studies were included in meta-analysis. Analyses were performed using R software with the 'metafor' package, with standardized mean differences employed. A multi-level meta-analysis was conducted utilizing restricted maximum-likelihood estimates (p <= .05). In the shear bond strength group, significant heterogeneity was observed (Q = 50.274, p < .0001), whereas no significant heterogeneity was detected in the microtensile bond strength group (Q = 5.102, p = .4063). Separate analyses of both shear bond strength and microtensile bond strength groups showed no statistically significant differences between dissimilar and similar materials (p > .05). Egger's regression indicated no evidence of publication bias in either group. Sensitivity analyses revealed statistically insignificant pooled effect sizes for shear bond strength. In the microtensile group, one study influenced the results when excluded from the analysis. It could be suggested that the repair of composite resin with the same kind of resin composite is not mandatory.
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    Evaluation Of Gap Formation For Different Adhesive Agents In Primary Teeth With Optical Coherence Tomography
    (EUROPEAN ORAL RESEARCH, 2024-05-23) Uyar, Didem Sakaryali; Asena, Leyla; Tirali, Resmiye Ebru
    Purpose This study aimed to evaluate gap formation between the tooth surface and restorative material in terms of microleakage by using optical coherence tomography (OCT) for self-etch and selective-etch applications of two different universal and one self-etch adhesives. Materials and Methods Sixty non-caries, primary molar teeth were divided into six groups; self-etch and selective-etch application ways of two different universal and one self-etch adhesive systems (n:10). After Class-V cavities were prepared, every tooth was distributed randomly in groups to apply adhesion procedure and then, all cavities were restored with polyacid-modified composite resin. Microleakage was evaluated by measuring the gap between the tooth surface and restoration by a blind researcher with Image J Software from OCT images. During statistical analysis, the significance level was accepted as p<0.05. Results According to the statistical analysis of the measurements obtained by Image J Software, selective-etch groups showed less gap formation than self-etch groups for each tested adhesive (p<0.05), and self-etch adhesive without etching showed significantly highest gap formation among all groups (p<0.05). Conclusion Universal adhesives with a selective-etching step might be preferred over self-etch adhesives for long-lasting polyacid-modified composite resin restorations in primary teeth. However, obtained results should be considered with another prospective clinical study for long-term prognosis.