ARSLAN TERLEMEZ, Hakkı ÇELEBİ, E.Begüm BÜYÜKERKMEN, Nimet ÜNLÜ, Emre KORKUT

Farklıdöner eğe sistemleri ile prepare edilmiş kök kanal dentinine 3 farklıfiber-post sisteminin itme bağ dayanımlarının değerlendirilmesi

Amaç:Bu in vitroaraştırmanın amacı, iki farklı endodontik döner eğe sistemi ile hazırlanmış kök kanallarına yerleştirilen 3 farklı fiber postun itme bağ dayanımlarının karşılaştırılmasıdır.Gereç ve Yöntemler: Kırk iki adet çekilmiş tek köklü insan alt premolar dişlerin kronları uzaklaştırıldı. Kökler 2 ana gruba ayrıldı (n=21) ve ilk gruptaki kök kanalları Wave-One ile hazırlandı ve diğeri ise TF Adaptive (SybronEndo, Orange, CA, ABD) sistemler ile hazırlandı. Daha sonra kökler üç farklı fiber post tipine göre alt gruplara ayrıldı. FRC Postec Plus (Ivoclar, Vivadent AG, Schaan, Lihtenştayn), GC Fiber Post (GC Corporation, Tokyo, Japonya) ve Rely-X (3M ESPE, Seefeld, Almanya) kullanıldı. Bütün alt gruplar birself adezivsiman (Rely-X Unicem, 3M ESPE, Seefeld, Almanya) ile yapıştırıldı. Sonra kök örnekleri su soğutma sıvısı altında düşük hızlı bir elmas diskkullanılarak, 1.00 mm ± 0.05 mm kalınlığında kesitler alındı. Evrensel bir itme testi cihazı kullanılarak 1 mm/dk'lık bir hızda itme bağ dayanım testi gerçekleştirildi ve veriler, p˂0.05 seviyesinde 3 yollu ANOVA ve Tukey testi ile istatistiksel olarak analiz edildi.Bulgular: Kök kanal preperasyon tekniği, fiber postun türü ve dişin koronal, orta veya apikal bölgesinden alınan kesitler arasında bağlanma dayanımı yönünden istatistiksel olarak anlamlı bir fark olmadığı bulundu (p>0.05).Sonuç:Farklı döner eğe sistemleri ile hazırlanmış kök kanalına farklı post sistemlerinin bağlanma dayanımı arasında fark bulunmamaktadır.

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