(Sağlık Bakanlığı, Ankara Şehir Hastanesi, Kadın Hastalıkları ve Doğum Anabilim Dalı, Ankara, Türkiye)
Mete Can ATEŞ
(Sağlık Bakanlığı, Ankara Şehir Hastanesi, Perinatoloji Anabilim Dalı, Ankara, Türkiye)
Gul Nihal BUYUK
(Sağlık Bakanlığı, Ankara Şehir Hastanesi, Kadın Hastalıkları ve Doğum Anabilim Dalı, Ankara, Türkiye)
Ümit Yasemin SERT
(Sağlık Bakanlığı, Ankara Şehir Hastanesi, Kadın Hastalıkları ve Doğum Anabilim Dalı, Ankara, Türkiye)
(Selçuk Üniversitesi, Tıp Fakültesi, Kadın Hastalıkları ve Doğum Anabilim Dalı, Konya, Türkiye)
Hasan Onur TOPÇU
(Ankara Memorial Hastanesi, Kadın Hastalıkları ve Doğum Anabilim Dalı, Ankara, Türkiye)
Yıl: 2020Cilt: 27Sayı: 11ISSN: 2636-7688 / 2636-7688Sayfa Aralığı: 3004 - 3007İngilizce

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Labor and birth outcomes in term low-risk adolescent pregnancies
Aim: The study aimed to evaluate the relationship between the caries frequency, which was determined using different caries indexesObjective: The aim of this study was to investigate the effect of in-office bleaching agents on the color and translucency of differentresin composites.Materials and Methods: Twenty-four disk-shaped specimens with 1 mm thickness and 8 mm diameter were fabricated from fivedifferent resin composites. The specimens were then divided into three subgroups, two office bleaching groups (40% OpalescenceBoost, 38% Whitesmile Power Whitening) and one control group (n=8). All specimens were polymerized for 40 s with a LED lightcuringunit. Color measurement was performed using a spectrophotometer. Bleaching agents were applied to the experimentalgroups in accordance with the manufacturer's instructions for 14 days, while the specimens in the control group were kept in distilledwater only. Translucency parameters of the specimens before and after bleaching and the color changes after bleaching werecalculated using CIE L*a*b* color coordinates. Data were analyzed using the paired sample t-test and ANOVA (α=0.05).Results: Statistically significant differences were found between the control group and the bleached groups according to color changevalues (p<0.05). The highest mean color change value was observed in the Ceram-X / Opalescence Boost group. The Ceram-X /Opalescence Boost, Majesty Esthetic / Opalescence Boost, and Ceram-X / Whitesmile Power specimens showed clinically nonacceptablecolor changes. Translucency parameter values in each group between baseline and the end of the 14th day revealed nostatistically significant difference (p>0.05).Conclusions: The office bleaching agents may affect the color and translucency parameters of composite resins depending on thestructural properties.
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