Kumlamanın Polietereterketon ve Rezin Siman Bağlantı Dayanımına Etkisi

Year 2020, Volume: 5 Issue: 3, 170 - 180, 30.12.2020

Meral Bağkur , Matlab Nadırov Cihan Akçaboy

https://doi.org/10.25279/sak.630863

Cited By: 1

Abstract

Amaç: Bu çalışmanın amacı, altyapı materyali olarak kullanılması önerilen polietereterketon materyalinin rezin simanla bağlantısında kumlamanın etkisinin araştırılmasıdır.
Gereç ve Yöntem: Bu çalışma için 10x8x2 mm boyutlarında 24 adet polietereterketon örnek, 5 eksenli freze cihazında hazır bloklardan kesilerek elde edildi. Örnekler, otopolimerizan akrilik rezine gömüldü. Örneklerin yüzeyleri silisyum karbit su zımparası ile düzeltildikten sonra rastgele 3 deney grubuna ayrıldı (n=8). Grup 1: 50 µm alüminyum oksit partikülleri ile kumlandı; Grup 2: 110 µm alüminyum oksit partikülleri ile kumlandı; Grup 3: Kontrol grubu, herhangi bir yüzey işlemi uygulanmadı. Daha sonra her örnek ultrasonik temizleyicide distile su ile 1 dakika boyunca yıkandı. Tüm gruplara adeziv uygulandıktan sonra 3 mm çapında silindir şeklinde kalıplar kullanılarak polietereterketon örneklerin yüzeyine rezin siman uygulandı. Elde edilen örneklere üniversal test cihazında, 1mm/dakika hız ile bağlantıda başarısızlık oluşana kadar kuvvet uygulandı. Elde edilen kırılma değeri Newton cinsinden kaydedildi ve bağlanma dayanımı değerleri hesaplandı. Elde edilen veriler Tek Yönlü Varyans Analizi kullanılarak değerlendirildi. Gruplar arasındaki farklılıklar Tukey testi ile belirlendi. Sonuçlar α≤0,05 için anlamlı kabul edildi.
Bulgular: Uygulanan yüzey işlemleri arasında istatistiksel olarak anlamlı fark görüldü (p<0,05). En düşük bağlanma dayanımı değerleri kontrol grubunda gözlenirken, kumlama grupları arasında istatistik olarak anlamlı bir fark görülmedi (p>0,05).
Sonuç: Polietereterketon materyalinin simantasyonunda adeziv uygulamasına ek olarak kumlamanın bağlantıyı güçlendirdiği ve kumlama işleminde kullanılan kumun partikül boyutunun önemli olmadığı sonucuna varılmıştır. 

Keywords

Bağlanma dayanımı, Kumlama, Polietereterketon

Effect of Sandblasting on Bond Strength of Resin Cement to Polyetheretherketone

Abstract

Background: The aim of this study is to evaluate the effect of sandblasting on the shear bond strength between polyetheretherketone material, which is recommended to be used as framework material, and resin cement.
Materials and Methods: For this study, 24 polyetheretherketone specimens of 10x8x2 mm dimensions were prepared by cutting from pre-pressed blocks on a 5-axis milling device. Specimens were embedded into autopolymerized acrylic resin. After the surfaces of the specimens were smoothened with silicon carbide papers, they were randomly divided into 3 experimental groups (n = 8). Group 1 was sandblasted with 50 µm aluminum oxide particles; Group 2 was sandblasted with 110 µm aluminum oxide particles, and in group 3, which was the control group, no surface treatment was applied. Then, each specimen was cleaned with ultrasonic cleaner with distilled water for 1 minute. An adhesive was used for surface conditioning to all specimens and resin cement was applied to the surface of polyetheretherketone specimens using 3 mm diameter cylindrical molds. For the obtained specimens, force was applied in the universal test device until the failure observed with a speed of 1mm / min occurred. The resulting fracture value was recorded in Newtons and the bond strength values were calculated. The data were evaluated by using One Way Variance Analysis. The differences between the groups were determined by the Tukey test. The results were considered significant for α≤0.05.
Results: There was a statistically significant difference between the surface treatments applied (p <0.05). While the lowest bond strength values were observed in the control group, there was no statistically significant difference between the sandblasting groups (p> 0.05).
Conclusion: While cementing polyetheretherketone crowns, sandblasting is offered before adhesive application. According to this study, the particle size is not important for the shear bond strength between the resin cement and polyetheretherketone.

Keywords

Polyetheretherketone, Sandblasting, Shear bond strength

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