The effect of different surface conditioning methods and curing protocols on bond strengths of two different fissure sealants

Year 2016, Volume: 33 Issue: 1, 18 - 23, 01.01.2016

Sezin Özer , Nihan Gönülol , Emine Şen Tunç , Tuba Ay

https://doi.org/10.17214/aot.78848

Cited By: 1

Abstract

OBJECTIVE: To evaluate in vitro shear bond strength of two different resin-based fissure sealants [BeautiSealant (BS), UltraSeal XT hydro (UH)] associated with application of an acid etching (Ultra-Etch Acid) or a primer (BeautiSealant Primer) and two different polymerization modes (Standard mode; 10 s or Xtra power mode; 3 s) of a third generation light emitting diode (LED) light curing unit.

MATERIALS AND METHOD: Eighty enamel surface samples were prepared from 40 extracted human third molar teeth. Samples were randomly divided into 8 subgroups according to fissure sealants, conditioning methods and polymerization modes (n=10); Group 1: Acid + BS+ Xtra power mode, Group 2: Primer + BS + Xtra power mode, Group 3: Acid + BS + Standard mode, Group 4: Primer + BS + Standard mode, Group 5: Acid + UH + Xtra power mode, Group 6: Primer + UH + Xtra power mode, Group 7: Acid + UH + Standard mode, Group 8: Primer + UH + Standard mode. An Instron machine (1.0 mm/min) was used to measure shear bond strength values. Data were statistically analyzed by using one-way ANOVA and Tukey’s test (p<0.05).

RESULTS: Significant differences were detected between the groups (p<0.05). Shear bond strength values of all BS subgroups were significantly lower than UH subgroups (p<0.05). Highest shear bond strength values were obtained in Group 5 and the lowest was obtained in Group 1.

CONCLUSION: Shear bond strength values of fissure sealants can be affected by surface conditioning methods and curing protocols.

Keywords

Giomer, LED dental curing lights, shear bond strength

Farklı polimerizasyon protokolleri ve yüzey uygulama metodlarının iki farklı fissür örtücünün makaslama bağlanma dayanım kuvveti üzerine etkisi

Abstract

AMAÇ: İki farklı rezin esaslı fissür örtücünün [BeautiSealant (BS), UltraSeal XT hydro (UH)], fosforik asit (Ultra-Etch asit) veya primer (BeautiSealant Primer) uygulanarak, 3. nesil bir light emitting diode (LED) ışık cihazının iki farklı moduyla (Standart mod; 10 sn veya Xtra power mod; 3 sn) polimerizasyonu sonrasında mineye makaslama bağlanma dayanım kuvvetini in vitro olarak değerlendirmektir.

GEREÇ VE YÖNTEM: Çekilmiş 40 adet insan 3. molar dişinden 80 adet mine örneği elde edildi. Örnekler yüzey uygulama metodlarına, fissür örtücü tipine ve polimerizasyon protokollerine göre rastgele 8 alt gruba ayrıldı (n=10). Gruplar; Grup 1: Asit + BS + Xtra power mod, Grup 2: Primer + BS + Xtra power mod, Grup 3: Asit + BS + Standart mod, Grup 4: Primer + BS + Standart mod, Grup 5: Asit + UH + Xtra power mod, Grup 6: Primer + UH + Xtra power mod, Grup 7: Asit + UH + Standart mod, Grup 8: Primer + UH + Standart mod şeklinde idi. Örneklerin makaslama bağlanma dayanım kuvveti (MBDK) değerleri Instron cihazı kullanılarak (1.0 mm/dk) ölçüldü. Elde edilen verilerin istatistiksel analizleri tek yönlü ANOVA ve Tukey’s testleri kullanılarak yapıldı (p<0.05).

BULGULAR: Gruplar arasında istatistiksel olarak anlamlı farklılıklar saptandı (p<0.05). BS grubunun tüm alt gruplarında MBDK değerleri UH grubunun tüm alt gruplarından düşüktü (p<0.05). Tüm gruplar arasında en yüksek MBDK değeri Grup 5’te, en düşük Grup 1’de elde edildi.

SONUÇ: Fissür örtücülerin MBDK değerleri, yüzey uygulama işlemleri ve polimerizasyon protokollerinden etkilenebilmektedir.

Keywords

Giomer, LED dental sertleştirici ışıklar, makaslama bağlanma dayanım kuvveti

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