Şeyma Nur GERÇEKCİOĞLU, Melike BAYRAM, Emre BAYRAM

29844

Kan kontaminasyonunun farklı kök ucu dolgu materyallerinin dentine bağlanma dayanımına etkisi

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.
Anahtar Kelimeler:

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

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

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,

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Acta Odontologica Turcica-Cover
  • Yayın Aralığı: Yılda 3 Sayı
  • Başlangıç: 1984
  • Yayıncı: Gazi Üniversitesi Diş Hekimliği Fakültesi Dergisi
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