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YEDİNCİ JENERASYON ADEZİV SİSTEMLERİNİN DENTİNE MAKASLAMA BAĞLANMA DAYANIMLARININ KARŞILAŞTIRILMASI

COMPARISON OF SHEAR BOND STRENGTH OF SEVENTH GENERATION ADHESIVES TO DENTIN

Journal Name:

  • Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

Publication Year:

  • 2009

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
Purpose: New generation of adhesive systems include low pH resin primers to simultaneously demineralize and penetrate the mineralized tooth surfaces. The purpose of this study was to compare the shear bond strength of three current all-in-one adhesives to dentin. Material-Methods: Forty five extracted III. molars were used in this study. Occlusal flat dentine surfaces were exposed by cutting of occlusal enamel and the standard smear layer was obtained by 600-grit silicon carbide paper. The teeth were randomly divided into three groups. Three all-in-one adhesives were used in this study; Bond Force (Tokuyama, JAPAN), Xeno V (Dentsply, GERMANY) and Optibond All-In-One (Kerr, USA). Adhesives were applied to dentine according to the manufacturers' instructions. The resin composite of each adhesive system was applied on the bonded dentin surface using an application apparatus (Ultradent Products Inc.). The materials were light-cured required time by a LED. After 24 hour storage in water at room temperature, the shear bond test was carried out using a universal testing machine with a cross head speed 0.5mm/min. The data were analyzed with One Way ANOVA and Tukey HSD post-hoc tests. Results: Statistical analysis showed no significant differences in shear bond strengths between Xeno V (25.15 ± 7.6 MPa) and Optibond (31.08 ± 7.63 MPa). The shear bond strength of Bond Force (14.37 ± 4.46 MPa) was the lowest among the tested materials. Conclusion: Although the tested bonding agents were similar mild self-etch adhesives, they showed different results. Therefore, the difference between the tested materials depends on the chemical structure of the functional monomer which is enhancing wetting and demineralization and by chemical bonding to calcium.
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Abstract (Original Language): 
Amaç: Yeni jenerasyon adeziv sistemler uygulandıklarında diş yüzeyini aynı anda demineralize ederken hem de bu alanlara penetre olabilmeleri için düşük ph'ya sahip bazı rezin primerler içerir. Amaç: Bu çalışmanın amacı güncel üç farklı yedinci jenerasyon adeziv sistemin dentine makaslama bağlanma dayanımınlarını karşılaştırmaktır. Gereç ve Yöntem: Bu çalışmada 45 adet çekilmiş 20 yaş dişi kullanıldı. Oklüzal mine kesilerek düz dentin yüzeyleri açığa çıkarıldı ve 600 gridlik zımpara ile standart smear tabakası elde edildi. Dişler rastgele üç gruba ayrıldı. Bu çalışmada üç adet all-in-one adeziv sistem kullanıldı; Bond Force (Tokuyama, JAPONYA), Xeno V (Densply, ALMANYA) ve Optibond All-In-One (Kerr, ABD). Adeziv sistemler firmanın talimatlarına göre dentin yüzeylerine uygulandı. Bonding uygulanan dentin yüzeylerine her adeziv sistemin rezin kompoziti uygulama apareyi ile (Ultradent) yerleştirildi. Bonding ve kompozit LED ışık kaynağı ile polimerize edildi. Örnekler 24 saat oda sıcaklığında su içerisinde bekletildikten sonra makaslama bağlanma testi 0,5mm/dak hızla üniversal bir test cihazı kullanılarak yapıldı. Elde edilen verilerin istatistiksel analizi Tek Yönlü Varyans Analizi ve Tukey HSD testleri ile yapıldı. Bulgular: İstatistiksel analizler Xeno V (25,15 ± 7,6 mpa) ve Optibond (31,08 ± 7,63 mpa) arasında anlamlı bir fark bulunmadığını göstedi (p>0,05). Bond Force'un (14,37 ± 4,46 mpa) test edilen materyaller arasında en düşük bağlanma dayanımına sahip olduğu tesbit edildi (p<0,05). Sonuç: Test edilen bonding ajanlar benzer asiditeye sahip self-etch sistemler olmasına rağmen farklı sonuçlar gösterdi. Bu durumda, test edilen materyaller arasındaki farklılık dentinde demineralizasyon yapan ve dentin yapıları ile bağlantı oluşturan farklı asidik monomerlerin bir sonucu olabilir.
FULL TEXT (PDF): 
PDF icon arastirmax-yedinci-jenerasyon-adeziv-sistemlerinin-dentine-makaslama-baglanma-dayanimlarinin-karsilastirilmasi.pdf
  • 3
156-160
  • Turkish

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