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http://dx.doi.org/10.5395/JKACD.2009.34.2.103

EFFECT OF CURING METHODS OF RESIN CEMENTS ON BOND STRENGTH AND ADHESIVE INTERFACE OF POST  

Kim, Mun-Hang (Department of Conservative Dentistry, Colledge of Dentistry, Chosun University)
Kim, Hae-Jung (Department of Conservative Dentistry, Colledge of Dentistry, Chosun University)
Cho, Young-Gon (Department of Conservative Dentistry, Colledge of Dentistry, Chosun University)
Publication Information
Restorative Dentistry and Endodontics / v.34, no.2, 2009 , pp. 103-112 More about this Journal
Abstract
The purpose of this study was to compare the effect of curing methods of adhesive resins and resin cements in the root canal. Crown portions of 32 single-rooted mandibular premolars were removed. Routine endodontic treatment was done, and 9 mm deep post spaces were prepared within root canals. No.3 FRC Postec posts (Ivoclar-Vivadent AG, Liechtensteih) were cemented in the post spaces by self-(SC) or light-curing (LC) using two dual-cured adhesives (Adper Scotchbond multi-purpose plus and Exite DSC )and resin cements (RelyX ARC and Variolink II). They were assigned to 4 groups (n=8): R-SC, R-LC, V-SC, V-LC group. After stored in distilled water for 24 hours, each root was transversally sectioned with 1.5 mm thick and made three slices. The specimens were subjected to push-out test in a universal testing machine (EZ Test, Shimadzu Co., Japan) with a crosshead speed of 1 mm/min. The data were analyzed with repeated ANOVA and one-way ANOVA. Also the interface of post-resin cement and resin cement-canal wall of each group was observed under FE-SEM. When fiber posts were cemented into the root canal using total-etch adhesives, the bond strength and adaptation between post and root canal dentin was affected by curing method. Self-cure of adhesives and resin cements showed higher bond strength and closer adaptation than light-cure of them.
Keywords
Curing method; Resin cement; Bond strength; Post; Push-out test; FE-SEM;
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Times Cited By KSCI : 3  (Citation Analysis)
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