KMID : 0362320110360020125
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Journal of Korean Academy of Operative Dentistry 2011 Volume.36 No. 2 p.125 ~ p.131
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Effect of surface treatment of FRC-Post on bonding strength to resin cements
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Park Chna-Hyun
Park Se-Hee Kim Jin-Woo Cho Kyung-Mo
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Abstract
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Objectives: The purpose of this study was to evaluate the effect of surface treatment of FRC-Post on bonding strength to resin cements.
Materials and Methods : Pre-surface treated LuxaPost (DMG), Rely-X Fiber Post (3M ESPE) and self adhesive resin cement Rely-X Unicem (3M ESPE), conventional resin cement Rely-X ARC (3M ESPE), and Rely-X Ceramic Primer (3M ESPE) were used. After completing the surface treatments of the posts, posts and resin cement were placed in clear molds and photo-activation was performed. The specimens were sectioned perpendicular to the FRC-Post into 2 mm-thick segments, and push-out strength were measured. The results of bond strength value were statistically analyzed using independent samples t-test and oneway ANOVA with multiple comparisons using Scheffe¡¯s test.
Results: Silanization of posts affect to the bond strength in LuxaPost, and did not affect in Rely-X Fiber Post. Rely-X ARC showed higher value than Rely-X Unicem.
Conclusions : Silanization is needed to enhance the bond strength between LuxaPost and resin cements.
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KEYWORD
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Dual-cure, LuxaPost, Rely-X Fiber Post, Resin cement, Silane
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