Kavite Dezenfektanının Sınıf V Kavitelerde Self Adeziv Kompozit Restorasyonların Mikrosızıntısı Üzerine Etkisi

Yıl 2023, , 115 - 121, 26.12.2023

Bengü Doğu , Ezgi Acar , Nına Farshıdıan , Gülçin Bilgin Göçmen , Bilge Tarçın , Pınar Yılmaz Atalı

https://doi.org/10.29228/erd.55

Öz

Amaç: Bu in vitro çalışmanın amacı, klorheksidin diglukonat (CHX) içeren kavite dezenfektanının, sınıf V self-adeziv rezin bazlı kompozit restorasyonların mikrosızıntısı üzerindeki etkisini değerlendirmektir.
Gereç ve Yöntemler: 20 insan azı dişinin hem bukkal hem de lingual yüzeylerine oklüzal ve servikal marjinleri mine üzerinde olan 40 adet standart sınıf V kavite (4x2x2mm) hazırlandı. Örnekler rastgele 4 gruba ayrıldı (n-10); tüm lingual kaviteler %2 CHX (Bisco) ile dezenfekte edildi. Kaviteler 2 farklı self-adeziv kompozit (Vertise Flow, Kerr; Activa BioACTIVE, Pulpdent) kullanılarak üretici talimatlarına göre restore edildi. Valo (Ultradent) LED ışıklı cihaz ile 20 sn polimerizasyon sonrası Finishing Discs (Bisco) kullanılarak bitim ve polisaj işlemleri yapıldı. Dişlerin restorasyon alanı dışında kalan yüzeyleri şeffaf oje ile kaplandı ve distile suda oda sıcaklığında (24°C) 6 ay yaşlandırıldı. Numuneler %2'lik metilen mavisi solüsyonuna bir saat daldırıldıktan sonra, hassas kesme cihazı (Isomet 1000, (Buehler)) ile bukkolingual yönde boylamasına kesitler alındı. Oklüzal/gingival mikrosızıntı stereomikroskop (Leica MZ7.5) kullanılarak x8 ve x20 büyütme altında skorlandı. İstatistiksel değerlendirme için, ki-kare testi kullanıldı ve anlamlılık düzeyi p<0.05 olarak belirlendi.
Bulgular: Kaviteye CHX uygulamasına göre restorasyonların oklüzal ve gingival mikrosızıntı değerlerinde istatistiksel olarak anlamlı fark bulunmadı (p=0.735; 0.944). Benzer şekilde, gingival ve oklüzal kenarlardaki mikrosızıntı seviyeleri arasında anlamlı fark saptanmadı (p=0.216). Vertise Flow veya Activa BioACTIVE ile restore edilen CHX ile muamele edilmiş ve edilmemiş sınıf V kavitelerde mikrosızıntı değerleri arasında istatistiksel açıdan anlamlı fark tespit edilmedi (p=0.942; 0.577).
Sonuç: CHX kavite dezenfektanı, self-adeziv kompozitlerle restore edilen sınıf V kavitelerde mikrosızıntıya engel olmamıştır.

Anahtar Kelimeler

biyoaktif materyal, kavite dezenfektanı, mikrosızıntı, self adeziv kompoizt, sınıf V kavite

The Effect of Cavity Disinfectant on Microleakage of Self-adhesive Composite Restorations in Class V Cavities

Öz

Objectives: This in vitro study was aimed to evaluate the effect of chlorhexidine digluconate (CHX) containing cavity disinfectant on microleakage of Class V self-adhesive resin-based composite restorations.
Materials and Methods: Forty non-beveled Class V cavities (4x2x2mm) with occlusal and cervical margins on enamel were prepared on lingual and buccal surfaces of 20 molar teeth. Samples were randomly divided into 4 groups (n=10); and lingual cavities were disinfected with 2% CHX (Bisco). Cavities were restored using 2 different self-adhesive composites: Vertise Flow (Kerr); Activa BioACTIVE (Pulpdent) according to manufacturer’s instructions. Following 20 s polymerization with Valo (Ultradent) LED curing light, finishing and polishing were performed using Finishing Discs (Bisco). Teeth were coated with a nail polish excluding the restoration area and aged in distilled water at 24°C for 6 months. After immersion of the samples in 2% methylene blue solution, they were sectioned longitudinally in buccolingual direction with a diamond saw (Isomet 1000, Buehler). Microleakage on occlusal/gingival margins were scored under x8 and x20 magnification using a stereomicroscope (Leica MZ7.5). For statistical evaluation, Chi-square test was used. The significance level was set at p <0.05.
Results: No statistically significant difference was detected between the total microleakage scores at occlusal and gingival margins (p=0.735; 0.944). Likewise, there was no significant difference between the gingival/occlusal margins of the restorations (p=0.216). CHX application did not show any statistically significance between microleakage values in Class V cavities restored with Vertise Flow or Activa BioACTIVE. (p=0.942; 0.577).
Conclusions: CHX cavity disinfectant did not prevent microleakage in Class V cavities restored with self-adhesive composites.

Anahtar Kelimeler

Bioactive material, cavity disinfectant, class v cavity, microleakage, self-adhesive composite

Kaynakça

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