Murat BOTSALI, Ebru KÜÇÜKYILMAZ, Gül TOSUN, Mustafa ALTUNSOY, Yağmur ŞENER

Fissür örtücünün altına uygulanan adezivlerin makaslama bağlanma kuvveti ve mikrosızıntıya etkisi

AMAÇ: Bu çalışmanın amacı fissür örtücünün altına adeziv uygulamanın makaslama bağlanma kuvveti ve mikrosızıntıya olan etksinin incelenmesidir. GEREÇ VE YÖNTEM: Çalışmada 210 adet yeni çekilmiş çürüksüz insan üçüncü molar dişi kullanıldı (105 adet diş bağlanma dayanım testi için ve 105 adet diş mikrosızıntı için). Dişler rastgele 14 gruba ayrıldı (n=15). Kontrol gruplarında asitlenmiş mine yüzeylerine Fissurit FX uygulandı. Diğer gruplarda asitlenmiş mine yüzeylerine kendinden pürüzlendirmeli (self-etch) adezivler Clearfil SE Bond, G Bond ve Clearfil DC Bond ve tam pürüzlendirme (total-etch) ardından uygulanan Prelude, Adper Single Bond ve Optibond S adezivleri uygulandı. Daha sonra Fissurit FX uygulanarak polimerize edildi. Bağlanma dayanım kuvvetinin değerlendirilmesinde üniversal test cihazı kullanıldı. İstatistiksel değerlendirmede tek yönlü varyans analizi ve Tukey çoklu karşılaştırma testi kullanıldı. Mekanik ve termal yaşlandırmadan sonra mikrosızıntı değerlendirmesi için boya penetrasyon yöntemi kullanıldı. Veriler, Kruskal-Wallis ve Tamhane testleri ile istatistiksel analize tabi tutuldu. BULGULAR: Adper Single Bond Plus grubunun mikrosızıntı değeri istatistiksel olarak kontrol grubundan düşük bulundu (p < 0.05). Adper Single Bond grubunun makaslama bağlanma değeri kontrol grubundan istatistiksel olarak, yine düşük bulundu. Buna karşın, Clearfil SE bond grubunun makaslama bağlanma dayanım değeri kontrol grubundan istatistiksel olarak daha yüksek bulundu (p < 0.05). SONUÇ: Clearfil SE Bond, fissür örtücünün makaslama bağlanma dayanımını arttırdı; Adper Single Bond Plus, fissür örtücünün mikrosızıntısını azalttı. Adper Single Bond Plus için bağlanma dayanım kuvveti ve mikrosızıntı arasında ters bir ilişki olduğu görüldü.

Anahtar Kelimeler:

Çukur ve fissür örtücüler, dental sızıntı, diş yapıştırma, kayma mukavemeti

Effects of adhesive systems applied under fissure sealants to microleakage and shear bond strength

OBJECTIVE: The aim of this study was to examine the effect of bonding agents under fissure sealants on bond strength and microleakage.MATERIALS AND METHOD: A total of 210 freshly extracted noncarious human third molar teeth were used (105 teeth for shear bond strength and 105 teeth for microleakage assessment). The teeth were randomly assigned to 14 groups, with 15 teeth in each group. Fissurit FX was applied to the etched enamel in the control groups. In the experimental groups, the self-etch adhesives: Clearfil SE Bond, G Bond, Clearfil DC Bond and the total-etch adhesives: Prelude, Adper Single Bond and Optibond S were applied and light-cured followed by the subsequent application and light-curing of Fissurit FX. Shear bond strength was tested to failure in a universal testing machine with a 1 mm/min crosshead speed. The shear bond strength data was analyzed by using One Way ANOVA and Tukey HSD tests. Microleakage was evaluated by using a dye penetration method after mechanical loading and thermocycling. The microleakage data was analyzed by using the Kruskal-Wallis and Tamhane tests.RESULTS: The microleakage of the Adper Single Bond Plus group was significantly less than that of the control group (p<0.05). However, the shear bond strength value of the Adper Single Bond Plus group was significantly less than that of the control group, again. The shear bond strength value of Clearfil SE Bond was significantly greater than that of the control group (p<0.05).CONCLUSION: Clearfil SE Bond improved the shear bond strength, and Adper Single Bond Plus decreased the microleakage of the fissure sealant. An inverse relationship was found between the microleakage and the shear bond strength performances of Adper Single Bond Plus.

Keywords:

Dental bonding, dental leakage, pit and fissure sealants, shear strength,

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