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http://dx.doi.org/10.5395/JKACD.2011.36.6.477

Microshear bond strength of a self-etching primer adhesive to enamel according to the type of bur  

Jeong, Jin-Ho (Department of Conservative Dentistry, Chosun University School of Dentistry)
Cho, Young-Gon (Department of Conservative Dentistry, Chosun University School of Dentistry)
Lee, Myung-Seon (Department of Dental Hygiene, SeoYeong University)
Publication Information
Restorative Dentistry and Endodontics / v.36, no.6, 2011 , pp. 477-482 More about this Journal
Abstract
Objectives: The purpose of this study was to compare the microshear bond strength (uSBS) to enamel prepared with different burs and to determine what type of bur were chosen when a self-etching primer adhesive was used. Materials and Methods: Enamel of forty-two human molars were used. They were divided into one of six groups (n = 7), Group 1, coarse (125 - 150 ${\mu}m$) diamond bur; Group 2, standard (106 - 125 ${\mu}m$) diamond bur; Group 3, fine (53 - 63 ${\mu}m$) diamond bur; Group 4, extrafine (20 - 30 ${\mu}m$) diamond bur; Group 5, plaincut carbide bur (no. 245); Group 6, cross-cut carbide bur (no. 557). Clearfil SE Bond and Clearfil AP-X (Kuraray Medical Inc.) was bonded to enamel surface. The bonded specimens were subjected to uSBS testing. Results: The uSBS of Group 4 was the highest among groups and it was significantly higher than that of Groups 1, 2, 3, and 6 (p < 0.05), but it was not significantly different from that of Group 5. Conclusions: Different burs used on enamel surface affected the microshear bond strengths of a self-etching primer adhesive to the enamel surface. In the case of Clearfil SE Bond, extrafine diamond and plain-cut carbide bur are recommended for bonding to enamel.
Keywords
Bond strength; Enamel; Self-etching primer adhesive; Type of bur;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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