Farklı üniversal adeziv sistemler ile hemen dentin kapama işleminin kendinden bağlanabilen yapıştırma simanının bağlanma dayanımı üzerine etkisi
Amaç: Bu in vitro çalışmanın amacı, farklı üniversal adeziv sistemler ile hemen dentin kapama (IDS) işleminin, kimyasal-ışıkla sertleşen kendinden bağlanabilen yapıştırma simanının kesme tipi dayanıklılık üzerindeki etkisini incelemektir. Gereç ve Yöntem: Bu çalışmaya 60 adet sağlam insan molar dişi dahil edildi. Koronal dentin, model trimleme cihazında açığa çıkartıldı ve 600-gritlik silikon karbid kağıtlarla standart smear tabakası elde etmek için su soğutması altında aşındırıldı. Örnekler kullanılan üniversal adezive göre rastgele 4 gruba ayrıldı (n=15); Grup 1 (kontrol; C): hemen dentin kapama yok; Grup 2: Clearfil Universal Bond Quick (UBQ); Grup 3: Single Bond Universal (SBU); Grup 4: OptiBond Universal (OBU). Adeziv sistemler kendinden pürüzlendirmeli olarak üreticinin talimatları doğrultusunda uygulandı. Ardından, silindir silikon kalıplar (çap: 3 mm, yükseklik: 2 mm) kullanılarak yüzeylere kendinden bağlanabilen yapıştırma simanı (Nova Resin Siman) bağlandı. Örnekler, 24 saat distile suda bekletildi ve ardından 1mm/dk piston başlığı hızında üniversal test cihazı kullanılarak kesme tipi dayanım testi uygulandı. Kırık yüzeylerin başarısızlık analizi, 15× büyütmede stereomikroskopla incelendi. Veri Kruskal Wallis ve Dunn testi kullanılarak değerlendirildi (p<0.05). Bulgular: Kontrol grubu, IDS yapılan gruplara kıyasla istatistiksel olarak daha düşük kesme tipi dayanıklılık gösterdi (p<0.05). Grup 2 (UBQ), Grup 3’e (SBU) kıyasla istatistiksel olarak daha yüksek kesme tipi dayanıklılık gösterdi (p<0.05). IDS yapılan gruplarda karma tip başarısızlık gözlenirken, kontrol grubunda adeziv tip başarısızlık gözlendi. Sonuç: Üniversal adeziv sistemler kullanılarak yapılan IDS işleminin, kendinden bağlanabilen yapıştırma simanının bağlanma dayanımı üzerine olumlu etkisi olmuştur. Ayrıca, MDP ve amid monomeri içeren Clearfil Universal Bond Quick ile en yüksek bağlanma dayanım değerleri elde edilmiştir.
Anahtar Kelimeler:
3M Single Bond dental yapıştırıcı, Clearfil bağlayan ajan, dental adezivler, dentin yapıştırma ajanları
Effect of immediate dentin sealing procedure using different universal adhesive systems on the shear bond strength of self-adhesive resin cement
Objective: The aim of this in vitro study was to investigate the effect of immediate dentin sealing (IDS) procedure using different universal adhesive systems on the shear bond strength (SBS) of dual-cure self-adhesive luting cement. Materials and Method: Sixty sound human molar teeth were used. The coronal dentin surfaces were exposed with model trimmer device and ground with 600-grit silicon carbide paper under water cooling to obtain standard smear layers. Specimens were randomly divided into 4 groups according to the different types of universal adhesive systems used (n=15): Group 1 (control; C): no immediate dentin sealing; Group 2: Clearfil Universal Bond Quick (UBQ); Group 3: Single Bond Universal (SBU); Group 4: OptiBond Universal (OBU). Adhesive systems were applied in self-etch mode according to the manufacturers’ instructions. Then, self-adhesive luting cement (Nova Resin Cement) was bonded using cylinder-shaped silicone mold (diameter: 3 mm, height: 2 mm). The specimens were stored in distilled water for 24 h and subjected to SBS test at a crosshead speed of 1 mm/min using universal testing machine. Debonded surfaces were observed with a stereomicroscope under 15× magnification to determine the failure mode. Data were statistically analyzed with Kruskal Wallis and Dunn test (p<0.05). Results: Control group showed statistically lower shear bond strength than IDS-treated groups (p<0.05). Group 2 (UBQ) showed statistically higher SBS than Group 3 (SBU) (p<0.05). IDS-treated groups showed predominantly mixed failures while control group showed adhesive failure patterns. Conclusion: IDS procedures using universal adhesive systems improved the SBS of the self-adhesive luting cement. Besides, the highest shear bond strengths were obtained with Clearfil Universal Bond Quick which contains MDP and amide monomers.
Keywords:
3M Single Bond Dental Adhesive, Clearfil bonding agent, dental adhesives, dentin bonding agents,
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- Yayın Aralığı: Yılda 3 Sayı
- Başlangıç: 1984
- Yayıncı: Gazi Üniversitesi Diş Hekimliği Fakültesi Dergisi
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