Buket KARALAR, Selin NACAK, Nurcan ÖZAKAR İLDAY

ADEZİV UYGULAMA SÜRESİNİN UZATILMASININ MAKASLAMA BAĞLANMA DAYANIMI ÜZERİNE ETKİSİ

AMAÇ: Bu çalışmanın amacı; üniversal adezivlerin uygulama zamanlarının uzatılmasının, makaslama bağlanma dayanımı üzerine etkisinin araştırılmasıdır. GEREÇ VE YÖNTEM: Çalışmamızda 63 adet çürüksüz insan molar dişi kullanıldı. Okluzal kısımda yüzeyel dentin açığa çıkarıldıktan sonra; örnekler, rastgele, kullanılacak olan üç farklı adezivin farklı uygulama sürelerine göre (5 sn, 10 sn, 20 sn) 9 gruba ayrıldı (n=7) (1. Single Bond Universal, 2. One Coat 7 Universal, 3. All-Bond Universal) . X-trafil bulk-fill kompozit kullanılarak tek tabaka halinde 4 mm yüksekliğinde ve 3 mm çapında kalıplar yardımıyla restoratif kısım tamamlandı ve LED cihazıyla polimerize edildi. Örnekler 24 saat 37oC suda bekletilip üniversal test cihazına (Instron 3344, Instron Corp, Wilmington, ABD) yerleştirildi. Veriler ANOVA ve Duncan testleri ile 0.05 anlamlılık düzeyinde analiz edildi. BULGULAR: En yüksek (8.35±1.90) ve en düşük (4.99±2.67) makaslama bağlanma dayanım değerleri All-Bond’ da, 20 saniye ve 10 saniye uygulama süreli gruplarda gözlenmiştir. All-Bond grubunda istatistiksel anlamda farklılık gözlenirken (p<0.05), diğer gruplarda istatistiksel olarak anlamlı bir farklılık bulunamamıştır (p>0.05). SONUÇ: Uygulama süresinin arttırılması All-Bond grubunda makaslama bağlanma dayanımını anlamlı oranda yükseltmiştir (p<0.05). Single Bond Universal ve One Coat 7 gruplarında ise istatistiksel olarak anlamlı bir farklılık görülmemiştir (p>0.05). ANAHTAR KELİMELER: Dentin, Makaslama bağlanma dayanımı, Uygulama süresi, Üniversal adeziv AIM: The aim of this study was to examine the effect of prolonged application time on the resin-dentin shear bond strength (SBS). MATERIALS AND METHODS: Caries-free sixty three human molars were used. After superficial dentin was exposed, samples were divided into nine groups (n=7) according to according to different application times (5 sec, 10 sec, 20 sec) of the three different adhesives (1. Single Bond Universal, 2. One Coat 7 Universal, 3. All-Bond Universal) Composite build-ups were made with X-trafil bulk-fill composite with the help of 4 mm height and 3 mm diameter molds as a single layer and polymerized with a light-emitting diode (LED). After immersion in water at 37°C for 24 h, the shear bond strength were measured by using with the universal testing machine (Instron 3344, Instron Corp, Wilmington, ABD). The results were analyzed statistically by using one-way ANOVA and Duncan’s post-hoc analysis at a significance level of 0.05. RESULTS: The highest and the lowest SBS values were observed in the All bond groups (8.35±1.90) and (4.99±2.67) applied 20s and 10s. A statistically significant difference was observed between All-bond groups (p<0.05). There was no significant difference in the other groups (p>0.05). CONCLUSION: Increasing the application time significantly improved the bond strength of All-bond group; however, it had no significant effect on the bond strength of Single Bond Universal and One Coat 7 groups. KEYWORDS: Dentin, Shear bond strength, Application time, Universal adhesive

Anahtar Kelimeler:

Dentin, Makaslama bağlanma dayanımı, Uygulama süresi

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