Effect of Curing Mode on Color Change of Two Different Bulk Fill Composites

Abstract

Background: The aim of this study is to evaluate the color changes that occur when two different bulk fill composite resins illuminated in two different curing modes are kept in distilled water, wine and coffee for 1 week. Methods: Two different bulk fill composite resins in A2 color were used in this study: Sonic Fill 2 (SF) (Kerr, USA) and Filtek Bulk Fill (FBF) (3M ESPE, USA). Samples were prepared using a Teflon mold with a diameter of 5 mm and a thickness of 2 mm. The samples were polymerized with an LED light device (VALO Ultradent, South Jordan, UT) in two different curing modes (standard power mode-1000 mw/cm²-20 sec and extra power mode 3200 mw/cm²-3 sec), a total of 60 samples has been prepared. Before starting the coloring processes, the color values of the samples were measured using a spectrophotometer (VITA Easyshade V, VITA Zahnfabrik, Germany). The samples were then kept in three different liquids for 1 week. Color measurement was repeated 24 hours after the coloring processes were completed. Color change assessment was made using the CIEDE2000 formula. The data obtained in the research were analyzed using the SPSS Windows 25.0 (SPSS Inc., Chicago, IL, USA) program. Significance level was accepted as p<0.05. Results: Among all groups, the highest color change occurred in FBF samples polymerized in extra power mode and kept in wine, and the least color change occurred in SF2 samples polymerized in standard power mode and kept in distilled water. The highest color change occurred in samples of bulk-fill composite resins kept in both power modes (p<0.05). Conclusion: In this study, it was observed that different curing modes and different beverages were effective in the coloring of bulk fill composite resins.

Keywords

• Bulk fill
• resin composite
• curing mode
• light device
• color
• polymerization time

Kürleme Modunun İki Farklı Bulk Fill Kompozitin Renk Değişimine Etkisi

Abstract

Amaç: Bu çalışmanın amacı iki farklı kürleme modunda ışıklanan iki farklı bulk fill kompozit rezinin, 1 hafta boyunca distile su, şarap ve kahvede bekletilmesiyle meydana gelen renk değişimlerinin değerlendirilmesidir. Gereç-Yöntemler: Bu çalışmada A2 renginde iki farklı bulk fill kompozit rezin kullanılmıştır: Sonic Fill 2 (SF) (Kerr, ABD) ve Filtek Bulk Fill (FBF) (3M ESPE, ABD). Örnekler 5 mm çapında, 2 mm kalınlığında bir teflon kalıp kullanılarak hazırlanmıştır. Örnekler bir LED ışık cihazı (VALO Ultradent, South Jordan, UT) ile iki farklı kürleme modunda (standart güç modu-1000 mw/cm²-20 sn ve ekstra güç modu 3200 mw/cm²-3 sn) polimerize edilmiş, toplam 60 numune hazırlanmıştır. Renklendirme işlemlerine başlamadan önce örneklerin renk değerleri spektrofotometre (VITA Easyshade V, VITA Zahnfabrik, Almanya) kullanılarak ölçülmüştür. Ardından örnekler, üç farklı sıvıda 1 hafta boyunca bekletilmiştir. Renklendirme işlemleri tamamlandıktan 24 saat sonra renk ölçümü tekrarlanmıştır. Renk değişimi değerlendirmesi CIEDE2000 formülü kullanılarak yapılmıştır. Çalışmada elde edilen veriler SPSS Windows 25.0 (SPSS Inc., Chicago, IL, USA) programı kullanılarak analiz edilmiştir. Anlamlılık düzeyi p<0.05 olarak kabul edilmiştir. Bulgular: Bütün gruplar arasında en fazla renk değişikliği ekstra güç modunda polimerize edilip şarapta bekletilen FBF örneklerinde, en az renk değişikliği ise standart güç modunda polimerize edilip distile suda bekletilen SF2 örneklerinde meydana gelmiştir. Bulk fill kompozit rezinlerin her iki güç modunda bekletilen örneklerinde de en yüksek renk değişimi şarapta bekletilen örneklerde meydana gelmiştir (p<0.05). Sonuç: Bu çalışmada farklı kürleme modlarının ve farklı içeceklerin bulk fill kompozit rezinlerin renklenmesinde etkili olduğu görülmüştür.

Keywords

• bulk fill
• renklenme
• kürleme modu
• ışık cihazı
• polimerizasyon süresi

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