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AKYÜZ, SERAP HATİCE

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AKYÜZ

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SERAP HATİCE

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2005 - 200912010 - 20201
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Author: KADİR, TANJU ×

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    PublicationOpen Access
    In Vitro Fluoride-Release/Recharge Pattern and_x000D_ Antimicrobial Effects of Current Restorative_x000D_ Materials Used in Pediatric Dentistry
    (2020-04-13) YARAT, AYŞEN; Belen Şirinoğlu ÇAPAN;Serap AKYÜZ;Burçin ALEV;Beste TACAL ASLAN;Tanju KADİR;Ayşen YARAT
    Objective: The aim of this in vitro study was to investigate the fluoride-releasing/recharging and antimicrobial effects of restorative materialsused in pediatric dentistry.Material and Method: High-viscosity and resin-modified glass-ionomercement, glass carbomer, compomer, giomer and composite weretested. Dental materials’ fluoride-release was measured in distilled water(DW) and artificial saliva (AS) for eight weeks using a fluoride-specificelectrode. At the end of eight weeks, specimens were divided intothree groups for recharging with acidulated phosphate fluoride gel andfluoride varnish. After recharge, fluoride release was measured again.Agar diffusion test was used to assess antimicrobial effects againstS. mutans and L. acidophilus. The statistical analysis was done withMann-Whitney U and Friedman tests using SPSS-22 software.Results: High-viscosity glass-ionomer cement showed the highestfluoride-release in both storage media, followed by glass carbomer,while giomer demonstrated the lowest. After recharge, the increasein the varnish group was significantly higher than others (p<0.05).Fluoride-release in DW groups was significantly higher than in the ASgroups for all materials during the test period (p<0.05). None of thematerials showed antimicrobial effects.Conclusion: It was concluded that fluoride-release from glass ionomer-based materials is higher than that from resin-based materials.Fluoride-release from materials decreases in AS. Glass carbomer can beused as an alternative to glass ionomers.
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    Prevalence of Candida species in Turkish children: relationship between dietary intake and carriage
    (PERGAMON-ELSEVIER SCIENCE LTD, 2005) AKYÜZ, SERAP HATİCE; Kadir, T; Uygun, B; Akyuz, S
    In this study, the prevalence and intensity of Candida species were evaluated in 300 healthy Turkish children aged between 0 and 12 years. The candidal carriage in 26 children who were fed only with breast milk and 38 children who were fed with both breast milk and bottle milk or other fluids was also examined. Oral samples cultured for fungal growth and Candida species were identified using germ tube test, chlamydospore formation test and API 20C AUX system. The results demonstrated that the prevalence of oral candidal carriage in 300 healthy children was 26.3%. Candida albicans was the most frequently isolated yeast (84.8% of the isolates). The other yeasts were identified as Candida parapsilosis, Candida krusei, Candida kefyr, Candida famata, and Candida tropicalis. It was also observed that the frequency of carriage varied as a function of age. The prevalence of carriage in children who were fed with both breast milk and bottle milk or other fluids was 18.5%, while in children fed only with breast milk was 0%. This finding supports previously reported observations that there may be intrinsic differences in oral carriage of Candida species between different ages and populations and type of dietary intake may affect frequency of carriage. (C) 2004 Elsevier Ltd. All rights reserved.