Kan kontaminasyonunun farklı kök ucu dolgu materyallerinin dentine bağlanma dayanımına etkisi

Year 2023, Volume: 40 Issue: 1, 9 - 16, 03.01.2023

Şeyma Nur Gerçekcioğlu , Melike Bayram , Emre Bayram

https://doi.org/10.17214/gaziaot.995648

Abstract

Amaç: Bu in vitro çalışmanın amacı, kan kontaminasyonunun farklı kök ucu dolgu materyallerinin dentine bağlanma dayanımına etkisinin değerlendirilmesiydi.

Gereç ve Yöntem: Bu çalışmada tek köklü 90 adet maksiler santral diş kullanıldı. Dişlere endodontik tedavi uygulandıktan sonra kök uçları rezeke edildi ve kök ucu kaviteleri hazırlandı. Öncelikle örnekler, kavitelerin kanla kontaminasyonuna göre (+/-) 2 gruba ayrıldı. Daha sonra kök ucu dolgu malzemelerine göre üç alt gruba ayrıldı: MTA Repair HP, RetroMTA, MTA Flow (n=15). Bu malzemeler üreticinin talimatları doğrultusunda kaviteye yerleştirildi. Örnekler 21 gün boyunca 37 °C’de %100 nemli ortamda bekletildi. 1.0±0.1 mm kesitler elde edildikten sonra itme-bağlanma dayanımı testi gerçekleştirildi. Başarısızlık tipini değerlendirmek için her kesit stereomikroskop altında incelendi. Veriler tek yönlü varyans analizi ve bağımsız örneklem t-testi kullanılarak analiz edildi.

Bulgular: Bağlanma dayanımı, kan kontaminasyonunun varlığından önemli ölçüde olumsuz yönde etkilendi (p<0.05). En yüksek bağlanma dayanımı MTA Flow (-) grubunda, en düşük bağlanma dayanımı ise MTA Repair HP (+) grubunda gözlendi (p<0.05). Hem kanla kontamine olan grupta hem de kanla kontamine olmayan grupta MTA Repair HP en düşük bağlanma dayanımını gösterirken (p<0.001), MTA Flow ve RetroMTA arasında anlamlı farklılık bulunmadı (p>0.05).

Sonuç: Kan kontaminasyonu dentine bağlanma dayanımını azalttı. Materyaller arasında en yüksek bağlanma dayanımını MTA Flow gösterdi.

Keywords

apikoektomi, endodonti, kalsiyum silikat, kan, mineral trioksid agregat

Supporting Institution

Tokat Gaziosmanpaşa Üniversitesi Bilimsel Araştırma Projeleri Komisyonu

Project Number

2019/68

Thanks

Bu çalışmanın gerçekleşebilmesi için gerekli maddi desteği sağlayan Tokat Gaziosmanpaşa Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi’ne teşekkür ederiz.

Effect of blood contamination on bond strength of different root‑end filling materials to dentin

Abstract

Objective: The aim of this in vitro study was to evaluate the effect of blood contamination on bond strength of different root-end filling materials to dentin.

Materials and Method: Ninety single-rooted maxillary central teeth were used. After endodontic treatment was performed, the root-ends were resected and retrograde cavities were prepared. First, the specimens were divided into 2 groups (+/-) according to the blood contamination of the cavities. Then, the specimens were divided into three subgroups (n=15) according to the root-end filling materials: MTA Repair HP, RetroMTA, MTA Flow. These materials were prepared according to the manufacturer's instructions. The specimens were kept at 37 °C in a 100% humid environment for 21 days. After obtaining 1.0±0.1 mm slices, push-out bond strength analysis was performed. Each slice was examined under a stereomicroscope to evaluate the failure mode. The data were analyzed using one‑way analysis of variance and independent sample t-test.

Results: The bond strength was negatively affected by blood contamination (p<0.05). The highest bond strength was observed in the MTA Flow (-) group and the lowest was observed in the MTA Repair HP (+) group (p<0.05). No significant difference was found between MTA Flow and RetroMTA (p>0.05), while MTA Repair HP showed the lowest bond strength in both the blood contaminated and the non-blood contaminated groups (p<0.001).

Conclusion: Blood contamination reduced the bond strength to dentin. MTA Flow showed the highest bond strength among the materials.

Keywords

apicoectomy, blood, calcium silicate, endodontics, mineral trioxide aggregate

Project Number

2019/68

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