Kendinden bağlanabilen farklı adeziv rezin simanların sitotoksisitelerinin in vitro olarak değerlendirilmesi

Amaç: Bu çalışmanın amacı, klinikte kullanılan kendinden bağlanabilen üç farklı adeziv rezin simanın sitotoksisitesinin değerlendirilmesidir.Gereç ve Yöntem: Çalışmamızda üretici firmanın önerileri dikkate alınarak silindirik şekilli (2x5mm) adeziv rezin siman test örnekleri hazırlandı ICEM (Heraeus Kulzer, Hanau, Almanya), Nova Resin (Imicryl, Konya, Turkey) ve Clearfil SA Cement (Kuraray, Okuyama, Japonya). Sığır pulpasından elde edilmiş hücreler (Clonal SV40) 96-kuyucuklu hücre kültürü plakları içerisine yerleştirildi ve %20 fetal sığır serumu, %5 penisilin/streptomisin, %1 genetisin içeren MEM Alpha içerisinde (Gibco Invitrogen) %5 CO2 ortamında, 37°C’de 24 saat enkübe edildi. Test örnekleri hazırlanan besi ortamı içerisinde 24 saat bekletildi ve ekstraktlar hücreler üzerine uygulandı. İçerisinde test materyali ekstrakte edilmemiş besi ortamına maruz bırakılan hücreler negatif kontrol grubu kabul edildi. Hücre canlılığı 24 saat muamele sonunda enzim aktivitesi ile değerlendirildi. Veriler one-way ANOVA ile analiz edildi.Bulgular: ICEM, Clearfil SA ve Nova Resin siman gruplarının canlılık yüzdeleri ile negatif kontrol grubunun hücre canlılık oranları arasında istatistiksel olarak anlamlı fark bulunmadı (p>0.05). Aynı zamanda rezin siman grupları birbiri ile karşılaştırıldığında istatiksel olarak gruplar arasında yine anlamlı fark bulunmadı (p>0.05). Sonuç: Bu in vitro çalışmada iki-boyutlu sığır dental pulpa hücreleri üzerinde test edilen kendinden bağlanabilen adeziv rezin simanların önemli derecede sitotoksik etki göstermedikleri tespit edildi.

In vitro evaluation of the cytotoxicity of different self-adhesive resin cements

Objective: The aim of this in vitro study was to evaluate the cytotoxicity of three different self-adhesive resin cements. Materials and Method: Standardized test samples (2×5 mm) of adhesive resin cements ICEM (Heraeus Kulzer, Hanau, Germany), Nova Resin (Imicryl, Konya, Turkey) and Clearfil SA Cement (Kuraray, Okuyama, Japan) were prepared according to the manufacturers’ instructions. Bovine dental pulp-derived cells (Clonal SV40) were seeded into the wells of a 96 well-plate, and incubated in MEM Alpha (Gibco Invitrogen) supplemented with 20% fetal bovine serum, 5% penicillin/streptomycin, 1% geneticin in a humidified atmosphere of 5% CO2. The test samples were immersed in the growth medium for 24 h and the extracts were applied onto the cells. A group of cells was immersed in the growth medium that was not exposed to the test materials, and was assigned as negative control. The cell viability was determined by enzyme activity tests at the end of a 24 h treatment period. The data were statistically analyzed using one-way ANOVA. Results: There was no statistically significant difference between the cell viability of the negative control group and ICEM, Clearfil SA and Nova Resin Cement groups (p>0.05). There was also no statistically significant difference among the self-adhesive resin cement groups (p>0.05). Conclusion: In this in vitro study, self-adhesive resin cements were found to have no significant cytotoxic effects on two dimensional dental bovine pulp cells.

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