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:: Volume 27, Issue 2 (4-2015) ::
J Iran Dent Assoc 2015, 27(2): 97-103 Back to browse issues page
Shear Bond Strength of Composite to Primary Enamel Treated with Casein Phosphopeptide Amorphous Calcium Phosphate Using Total-Etch and Self-Etch Bonding Systems
Maryam Karamie1 , Farzaneh Shirani * 2, Sara Kaveh3 , Sanam Talaee4 , Ehsan Salehi4
1- Associate Professor, Department of Pediatric Dentistry, School of Dentistry, Islamic Azad University Isfahan (Khorasgan) Branch, Isfahan, Iran
2- Associate Professor, Department of Restorative Dentistry, School of Dentistry, Isfahan University of Medical Sciences. Isfahan, Iran , farzaneh.shirani@mui.ac.ir
3- Postgraduate Student, Department of Restorative Dentistry, School of Dentistry, Isfahan University of Medical Sciences. Isfahan, Iran
4- Private Dentist
Abstract:   (5160 Views)

Background and Aim: By application of casein phosphopeptide amorphous calcium phosphate (CPP-ACP) as a remineralizing agent, it may be feasible to only remove the carious dentin and better preserve the tooth structure. This study aimed to assess the shear bond strength of composite to primary enamel treated with CPP-ACP using total-etch and self-etch bonding systems.

Materials and Methods: This in vitro experimental study was conducted on 96 sound primary teeth randomly divided into 8 groups (n=12). Four groups were demineralized and the rest remained sound. All the specimens were subjected to pH cycling. Then, GC-Tooth Mousse was applied on their surfaces. Composite resin was bonded using Clearfil SE Bond self-etch or Single Bond total-etch bonding systems. The bond strength of the specimens was measured by an Instron machineand the mode of fracture was assessed by a stereomicroscope. Data were analyzed by one-way and two-way ANOVA and chi-square test.

Results: In the total-etch system, the bond strength of demineralized group was signifi-cantly higher than that of sound group (p=0.009). This difference in self-etch system was not significant (p=0.928). The CPP-ACP remineralizing agent decreased the bond strength in total-etch and increased the bond strength in self-etch group (p=0.032 and p=0.018, respectively). No difference was observed in the mode of fracture of the two bonding sys-tems.

Conclusion: GC Tooth Mousse decreased the bond strength to composite in total-etch and increased it in self-etch group. Higher bond strength to composite can be achieved in teeth with white spot lesions (WSLs) when total-etch system is used.
Keywords: Primary teeth, Enamel, Remineralization, White spot lesion, Total-etch, Self-etch
Full-Text [PDF 203 kb]   (1824 Downloads)    
Type of Study: Original | Subject: Pediatric Dentistry
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Karamie M, Shirani F, Kaveh S, Talaee S, Salehi E. Shear Bond Strength of Composite to Primary Enamel Treated with Casein Phosphopeptide Amorphous Calcium Phosphate Using Total-Etch and Self-Etch Bonding Systems. J Iran Dent Assoc 2015; 27 (2) :97-103
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Volume 27, Issue 2 (4-2015) Back to browse issues page
Journal of Iranian Dental Association

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