title: Effect of Self-etching Adhesives on the Bond Strength of Glass-Ionomer Cements.
abstract: OBJECTIVE
  
  
  
  BACKGROUND
  Adequate bond strength between glass ionomer cements and composite resin is necessary for the success of the sandwich technique.
  
  
  OBJECTIVE
  This study assessed the micro-shear bond strength of composite resin to glass-ionomer cements (GIC) using self-etch adhesives with different pH values.
  
  
  METHODS
  One hundred specimens (6×4×2 mm) were made using Fuji II and Fuji II LC GICs and treated with different adhesives as follows: Group 1:Fuji II+ Adper Prompt L-Pop, Group-2: Fuji II+SE bond, Group-3: Fuji II + AdheSE, Group-4:Fuji II+ Protect bond, Group-5: Fuji II + Single bond, Group-6:Fuji II LC+ Adper Prompt LPop, Group-7: Fuji II LC+SE bond, Group-8:Fuji II LC+ AdheSE, Group-9: Fuji II LC+ Protect bond, and Group-10: Fuji II LC+ Single bond. Each group consisted of 10 specimens. A cylinder of Z100 composite resin was placed on each sample and light cured. After 24 hours of water storage (37°C), the specimens were subjected to micro-shear bond strength tests (0.5 mm/min). Data were analyzed using two-way ANOVA and Tukey's test.
  
  
  RESULTS
  The mean micro-shear bond strength of groups 1-10 was 11.66±1.79, 16.50±1.85, 18.47±1.77, 13.95±1.77, 15.27±1.49, 15.14±0.90, 20.03±1.19, 17.48±3.00, 16.24±1.98 and 16.03±1.49 MPa, respectively. There were significant differences between groups 1 and 7 (P<0.05). No significant difference was observed between other groups (P>0.05). Fuji II LC showed higher bond strength than Fuji II (P<0.05).
  
  
  CONCLUSIONS
  Type of self-etch adhesive had no significant effect on micro-shear bond strength of glass-ionomer to composite resin. Resin modified glass ionomer cement (RMGIC) exhibited higher bond strength than the conventional GIC.
authors: Associate professor, Department of Operative Dentistry, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors: Zahra
authors: Z
authors: Jaberi Ansari
authors: Assistant Professor, Department of Operative Dentistry, Dental School, Shahid Beheshti University of Medical Science, Tehran, Iran.
authors: Narges
authors: N
authors: Panahandeh
authors: Dentist, Department of Basic Sciences, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors: Zahra Sadat
authors: ZS
authors: Tabatabaei Shafiei
authors: Associate Professor, Department of Basic Sciences, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors: Alireza
authors: A
authors: Akbarzadeh Baghban
keywords: Adhesives; Adper Prompt self-etch; Clearfil SE bond; Composite resins; Glass ionomer cements
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