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http://dx.doi.org/10.4041/kjod.2010.40.4.267

Effects of conventional and self-etching adhesive systems on bond strength of orthodontic attachments bonded to erupted and unerupted teeth  

Nur, Metin (Karadeniz Technical University, Department of Orthodontics)
Uysal, Tancan (Department of Orthodontics, Faculty of Dentistry, Erciyes University)
Yesilyurt, Cemal (Karadeniz Technical University, Department of Operative Dentistry)
Bayram, Mehmet (Karadeniz Technical University, Department of Orthodontics)
Publication Information
The korean journal of orthodontics / v.40, no.4, 2010 , pp. 267-275 More about this Journal
Abstract
Objective: The aim of this study was to evaluate and compare the shear bond strength (SBS) and failure-mode of orthodontic buttons bonded to erupted and unerupted teeth with conventional and self-etching adhesive systems. Methods: Eighty-four erupted and 84 unerupted, human third-molar teeth were used. For both groups, the buccal surfaces of each tooth were assigned one of the following type of adhesive systems (n = 12). A, Conventional systems: 1, Transbond XT (3M Unitek, Monrovia, CA, USA); 2, Prime & Bond NT (Dentsply/Caulk, Milford, USA); 3, Single Bond (3M ESPE, Minnesota, USA); and B, Self-etching adhesives; 4, Clearfil SE Bond (Kuraray, Okayama, Japan); 5, Transbond Plus (3M Unitek, Monrovia, CA, USA); 6, Clearfil S3 (Kuraray, Tokyo, Japan); 7, G Bond (GC, Tokyo, Japan). The SBSs of the attachments and the adhesive remnant index (ARI) scores were recorded. Data were analyzed with analysis of variance (ANOVA), independent-sample t-test and chi-square tests. Results: When the SBSs of erupted and unerupted teeth were compared, only the Clearfil-SE Bond and G-Bond were significantly different. Bond strengths of all adhesive systems were higher in unerupted teeth than erupted teeth, except the Single-Bond system. Conclusions: When using conventional adhesives, bonding to erupted and unerupted teeth may not be significantly different. However, clinicians need to take into consideration the types of self-etching systems before usage.
Keywords
Bonding; Bracket; Resin; Adhesive;
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