The Effect of Mouthrinses on Water Sorption And Solubility of Composite Resins

Abstract

In this study, the effect of two different mouthrinses, alcohol containing Listerine Cool Mint and alcohol-free Signal White Now mouthrinses, on the sorption and solubility of a microhybrid Dynamic Plus and a nanoceramic Zenit composite resins after 1 and 7 days storage was investigated. 30 disc-shaped 10mm x 2mm specimens for each composite resin were prepared. The discs for each dental composites were randomly assigned to 3 groups n=10 . The test solutions were selected as commercially avaible alcohol containing mouthrinse Listerine Cool Mint and alcohol-free mouthrinse Signal White Now , distilled water was used as the control. The specimens were dessicated for 22 hours at 37±1˚C and then placed in an oven for 2 hours at 23±1˚C. The mass and volume for each specimen were calculated. The specimens were individually placed in plactic vials by immersing 10 ml of mouthrinse / distilled water at 37±1 ºC for 1 day and 7 days. At the end of 1 day and 7 days, each disc was reweighed by using analytic balance. The sorption and solubility values were calculated based on BS EN ISO 4049:2000. The data were analyzed with One-Way ANOVA and Tukey HSD tests α=0.05 . According to the statistical analysis results, Dynamic Plus composite resin exposed to Listerine Cool Mint mouthrinse and Zenit composite resin exposed to Signal White Now mouthrinse showed the highest sorption values at the end of 1st and 7th day. The solubility values of both composite resins were negative. On comparing the results with ISO 4049:2000 requirement, it was obtained that all composites showed lower sorption and solubility values than maximum requiremen

Keywords

• Composite resin, sorption, solubility, mouthrinse

Kompozit rezinlerin su emilimi ve çözünürlüğü üzerine gargaralarin etkisi

Abstract

Bu çalışmada, mikrohibrid Dynamic Plus ve nanoseramik Zenit yapıdaki iki farklı kompozit rezinin su emilimi ve çözünürlüğü üzerine alkol içeren Listerine Cool Mint ve içermeyen Signal White Now iki farklı ağız gargarasının 1 ve 7 gün sonundaki etkisinin değerlendirilmesi amaçlanmıştır. Her bir kompozit rezin için 30 adet örnek hazırlandı 10mmx2mm ve örnekler, her grupta 10 adet olacak şekilde rastgele 3 gruba ayrıldı. Piyasada bulunan iki farklı ağız gargarası alkol içeren Listerine Cool Mint ve alkol içermeyen Signal White Now test solüsyonu olarak, distile su ise kontrol grubu olarak seçildi. Tüm örnekler, kompozit rezinlerden nemin uzaklaşmasını sağlamak için desikatörde 37±1˚C'de 22 saat, daha sonra 23±1˚C'deki fırında 2 saat bekletildi. Her bir örneğin ağırlığı ve hacmi hesaplandı. Örnekler 1 gün ve 7 gün süreyle 37 ± 1 ºC'de etüvde 10 ml gargara/distile su ile dolu plastik şişelere konuldu. 1 gün ve 7 gün sonunda sıvıların içerisinden alınan her bir örnek hassas terazide tekrar tartıldı. Su emilimi ve çözünürlük değerlerinin hesaplanması BS EN ISO 4049:2000 standart metoduna dayanarak yapıldı. Veriler istatiksel olarak tek yönlü varyans analizi oneway-ANOVA ve Tukey HSD testi değerlendirildi. Tüm istatistiksel analizler için α=0.05 seviyesi anlamlı kabul edildi. İstatiksel analiz sonuçlarına göre, 1.gün ve 7.gün sonunda en yüksek su emilim değerlerini Dynamic Plus kompozit rezin Listerine Cool Mint gargarada, Zenit kompozit rezin ise Signal White Now gargarada bekletildiğinde göstermiştir. Çözünürlük değerleri açısından bakıldığında, her iki kompozit rezinde de hem gargaralarda hem de distile suda çözünürlük değerleri negatif olarak elde edilmiştir. Hem su emilimi hem de çözünürlük değerleri ISO 4049:2000 standartlarında belirlenmiş sınırlardan oldukça düşük bulunmuştur.

Keywords

• Kompozit rezin, su emilimi, çözünürlük, gargara

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