Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Effect of Chelating Irrigation on the Bond Strength of a Fiber Post System
Şelasyon Ajanlarının Fiber Postların Bağlantı Dayanımına Etkisi
Gülter Devrim KAKİa, Duygu RECENb, Bengisu YILDIRIMc
aClinic of Private, Uşak, TURKEY
bDepartment of Restorative Dentistry, İzmir Demokrasi University Faculty of Dentistry, İzmir, TURKEY
cDepartment of Prosthetic Dentistry, Uşak University Faculty of Dentistry, Uşak, TURKEY
Turkiye Klinikleri J Dental Sci. 2021;27(1):34-41
doi: 10.5336/dentalsci.2020-73627
Article Language: EN
Full Text
ABSTRACT
 Objective: The aim of this study was to investigate the effect of different irrigation solutions on the bond strength of the fiber posts to the root canal dentin through resin cement. Material and Methods: The sample size of each group was determined by using a power analysis (G Power 3.1.9.2 software). Post cavity of 84 maxillary single rooted teeth were prepared and were divided into 7 groups according to the last irrigation solutions (n=36). G1: 17% ethylenediaminetetraacetic acid (EDTA), G2: 17% EDTA+ 2% chlorhexidine (CHX), G3: Distilled water, G4: SmearOFF, G5: Dual Rinse HEDP (MedCem, Switzerland), G6: Dual Rinse HEDP+5% Sodium hypochlorite (NaOCl), G7: 2% CHX. Fiber posts were cemented using G-CEM LinkAce' (GC Corp., Tokyo, Japan). Push-out bond strengths were evaluated at three different radicular levels: coronal, middle, and apical. The Kolmogorov-Smirnov test and Kruskal-Wallis test were used to analyze the data. Results: The highest push-out bond strength was found in the Dual Rinse HEDP group (p<0.001). SmearOFF and 17% EDTA+2% CHX groups were statistically similar (p>0.05). Although there was no statistically significant difference between the 2% CHX, distilled water and 5% NaOCl +Dual Rinse HEDP groups (p>0.05), these 3 groups showed statistically significant lower pushout bond strength than the other groups (p<0.001). Conclusion: Clinically, irrigating of the post cavity with Dual Rinse HEDP is recommended, because it increases the bond strength of the fiber posts. However, when the antibacterial effect is desired, SmearOFF may be preferred instead of NaOCl due to its CHX content.

Keywords: Etidronic acid; smear layer; root canal irrigants; adhesion; post-core
ÖZET
 Amaç: Bu çalışmanın amacı, farklı şelasyon kabiliyeti olan irrigasyon solüsyonlarının fiber post ve kök dentin yüzeyine karşı bağlanma dayanımlarına olan etkisini, push-out test yöntemi ile değerlendirmektir. Gereç ve Yöntemler: Her grubun örneklem büyüklüğü, bir güç analizi (G Power 3.1.9.2 yazılımı) kullanılarak belirlendi. Seksen dört adet çekilmiş tek köklü dişin post kaviteleri hazırlandı ve dişler son irrigasyon solüsyonuna göre rastgele 7 gruba ayrıldı (n=36): G1: %17 etilen diamin tetraasetik asit (EDTA), G2:%17 EDTA+%2 klorheksidin (CHX), G3:Distilled water, G4: SmearOFF, G5: Dual Rinse HEDP, G6: Dual Rinse HEDP+%5 Sodium hypochlorite (NaOCl), G7: %2 CHX. Fiber postlar, G-CEM LinkAce' (GC Corp., Tokyo, Japan) ile yapıştırıldı. Push-out bağlantı dayanımları koronal, orta ve apikal olmak üzere ölçüldü. Veriler, Kolmogorov-Smirnov testi ve Kruskal-Wallis testi kullanılarak analiz edildi. Bulgular: Dual Rinse HEDP grubu (p<0,001) en yüksek bağlantı dayanımını gösterdi. SmearOFF ve %17 EDTA+% 2 CHX grupları istatistiksel olarak benzer bulundu (p>0,05). %2 CHX, distile su, %5 NaOCl+Dual Rinse HEDP grupları arasında istatistiksel olarak anlamlı herhangi bir fark saptanmadı (p>0,05) ve bu 3 grup diğerlerine göre istatistiksel olarak anlamlı ölçüde düşük bağlantı dayanımı gösterdi (p<0,001). Sonuç: Fiber post kavitelerinin yıkanmasında Dual Rinse HEDP ile irrigasyon klinik başarıyı artırırken, NaOCl kullanımı düşürmektedir. Bu yüzden antibakteriyel etki istendiğinde, NaOCl'in Dual Rinse HEDP ile birlikte kullanımı yerine, CHX içeren SmearOFF tercih edilebilir.

Anahtar Kelimeler: Etidronik asit; smear tabakası; kök kanal yıkama solüsyonları; adezyon; post-kor
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