Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Push-Out Bond Strength of Different Fiber Post Systems and Resin Cements: Experimental Study
Farklı Fiber Post Sistemleri ve Rezin Simanların Bağlanma Dayanımı: Deneysel Çalışma
Eda BİRİCİKa, Yakup ÜSTÜNa
aDepartment of Endodontics, Erciyes University Faculty of Dentistry, Kayseri, Türkiye
Turkiye Klinikleri J Dental Sci. 2023;29(2):318-24
doi: 10.5336/dentalsci.2022-93819
Article Language: EN
Full Text
ABSTRACT
 Objective: The aim of this study was to compare the push-out bond strength (BS) of 2 different conventional fiber and glass fiber posts in the form of bundles by using 2 different resin cement and the fracture types formed accordingly. Material and Methods: Root canal treatment was applied to 48 extracted human premolars for the push-out test. The teeth were divided into 3 fiber post groups: Group 1: Biolight ST (conventional fiberpost), Group 2: RelyX (conventional fiberpost), Group 3: Biolight Plus (bundle post) according to the posts to be used for the push-out test. Each of the fiber post groups were divided into 2 subgroups according to adhesive cement [Core-X Flow, Build It FR] used in the cementation of posts (n=8). One mm sections were taken from the middle third of posts and the sections were subjected to a push-out test and the values were recorded. The samples were examined under a stereomicroscope and fracture types were determined. Results: No statistically significant difference was found between the groups according to the test results. When the fracture types were evaluated for all groups, there was no statistically significant difference in the result. Conclusion: The fiber post system in the form of bundles has similar properties with the conventional glass fiber post system in terms of BS.

Keywords: Fiber post; bond strength; push-out test; resin cements; root dentin
ÖZET
 Amaç: Bu çalışmada, iki farklı konvansiyonel fiber post ile demetler hâlindeki cam fiber postların 2 farklı rezin siman kullanılarak ''push-out'' bağlanma dayanımını ve buna bağlı olarak oluşan kırılma tiplerini karşılaştırmayı amaçladık. Gereç ve Yöntemler: Çalışmamızda çekilmiş 48 insan premolar dişine ''push-out'' testi için kanal tedavisi uygulandı. Dişler ''push-out'' testi için kullanılacak postlara göre Grup 1: Biolight ST (geleneksel fiber post), Grup 2: RelyX (geleneksel fiber post), Grup 3: Biolight Plus (demet post) olmak üzere 3 fiber post grubuna ayrıldı. Fiber post gruplarının her biri, postların simantasyonunda kullanılan adeziv simana [Core-X Flow, Build It FR] göre 2 alt gruba ayrıldı (n=8). Postların orta 1/3'lük kısmından 1 mm'lik kesitler alınarak kesitler ''push-out'' testine tabi tutularak değerler kaydedildi. Örnekler stereomikroskopta incelendi ve kırılma tipleri belirlendi. Bulgular: ''Push-out'' test sonuçlarına göre gruplar arasında istatistiksel olarak anlamlı fark bulunmadı (p>0,05). Tüm gruplar için kırık tipleri değerlendirildiğinde, sonuçta istatistiksel olarak anlamlı bir fark yoktu (p>0,05). Sonuç: Demetler hâlindeki fiber post sistemi, bağlanma dayanımı açısından geleneksel cam fiber post sistemi ile benzer özelliklere sahiptir.

Anahtar Kelimeler: Fiber post; bağlanma dayanımı; push-out test; rezin siman; kök dentini
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