Amaç: Bu in vitro çalışmanın amacı, farklı bitirme ve parlatma sistemle- rinin farklı tipteki kompozit rezinlerin yüzey pürüzlülüğü üzerine etkisini değer- lendirmektir. Gereç ve Yöntemler: Bu çalışmada, 3 farklı tipte 'bulk fill' kompozit rezin kullanıldı; SonicFill, Fill-Up, Estelite Bulk Fill Flow. Toplam 72 adet kompozit disk hazırlandı (n=24). Örnekler, her alt grupta 8 örnek olacak şekilde uygulanan parlatma yöntemine göre rastgele 3 alt gruba ayrıldı. Kontrol grubundaki örneklere herhangi bir işlem uygulanmadı, diğer gruplardaki örneklere ise iki aşamalı Kenda ve üç aşamalı OptiDisc parlatma sistemleri uygulandı. Örneklerin yüzey pürüzlülükleri profilometre kullanılarak ölçüldü. İstatistiksel analiz tek yönlü ANOVA ve 'post hoc' testleri kullanılarak yapıldı (p=0,05). Bulgular: Bütün gruplarda, en düşük pürüzlülük değerleri kontrol grubunda ölçüldü ve Estelite Bulk Fill Flow, SonicFill, Fill-Up grupları arasında anlamlı bir farklılık bulunmadı. OptiDisc uygulanan grupta, SonicFill, Estelite Bulk Fill Flow ve FillUp grupları birbirlerinden anlamlı düzeyde farklı bulundu. Polisaj lastiği uygulanan grupta, Estelite Bulk Fill Flow ve SonicFill gruplarının pürüzlülük değerleri benzer, Fill-Up grubunun pürüzlülük değeri ise daha düşük bulundu. Bitim ve polisaj uygulanan gruplar arasında, en az pürüzlülük değeri OptiDisc polisaj sistemi uygulanan Estelite Bulk Fill Flow grubu gösterdi. Sonuç: Kompozit rezinlerin polisajında uygulanan tek aşamalı veya çok aşamalı sistemler, yüzey pürüzlülüğü açısından farklılık gösterebilir. Yapılan bu in vitro çalışmanın sınırlamaları dâhilinde kompozit rezin tipinden bağımsız olarak diskle yapılan parlatma işlemleri ile en düşük pürüzlülük değerleri elde edilmiştir.
Anahtar Kelimeler: Bitirme ve polisaj; ''bulk fill'' kompozit; yüzey pürüzlülük
Objective: The purpose of this in vitro study was to evaluate the effect of different finishing and polishing systems on the surface roughness of different types of composite resins. Material and Methods: In this study, 3 different types of bulk fill composite resin were used; SonicFill, Fill-Up, Estelite Bulk Fill Flow. A total of 72 composite discs were prepared (n=24). The samples were randomly divided into 3 subgroups according to the polishing systems with 8 samples in each subgroup. Samples in the control group was left untreated, and samples in the remaining groups were subjected to two stage Kenda and three stage OptiDisc polishing systems. The surface roughness of the samples was measured using a profilometer. Statistical analysis was performed using one-way ANOVA and post hoc tests. Results: In all groups, the lowest roughness values were measured in the control group and no significant difference was found between Estelite Bulk Fill Flow, SonicFill, Fill-Up groups. In the OptiDisc applied group, SonicFill, Estelite Bulk Fill Flow and Fill-Up groups were found to be significantly different from each other. In the polishing rubber group, the roughness values of Estelite Bulk Fill Flow and SonicFill groups were similar, while the roughness value of Fill-Up group was lower. Among the finishing and polishing groups the Estelite Bulk Fill Flow group with the OptiDisc polishing system showed the least roughness value. Conclusion: Single-step or multi-step systems applied in the polishing of composite resins may differ in terms of surface roughness. Within the limitations of this in vitro study, the lowest roughness values were obtained with the polishing processes performed with the disc, regardless of the composite resin type.
Keywords: Finishing and polishing; bulk fill composite; surface roughness
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