Restorative Dentistry and Endodontics

The Korean Academy of Conservative Dentistry (대한치과보존학회)
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Effect of surface treatment of FRC-Post on bonding strength to resin cements

FRC-포스트의 표면처리가 레진시멘트와의 접착력에 미치는 영향

  • Park, Chan-Hyun (Department of Conservative Dentistry, Gangneung-Wonju National University College of Dentistry) ;
  • Park, Se-Hee (Department of Conservative Dentistry, Gangneung-Wonju National University College of Dentistry) ;
  • Kim, Jin-Woo (Department of Conservative Dentistry, Gangneung-Wonju National University College of Dentistry) ;
  • Cho, Kyung-Mo (Department of Conservative Dentistry, Gangneung-Wonju National University College of Dentistry)
  • 박찬현 (강릉원주대학교 치과대학 치과보존학교실) ;
  • 박세희 (강릉원주대학교 치과대학 치과보존학교실) ;
  • 김진우 (강릉원주대학교 치과대학 치과보존학교실) ;
  • 조경모 (강릉원주대학교 치과대학 치과보존학교실)
  • Received : 2011.01.28
  • Accepted : 2011.02.23
  • Published : 2011.03.31
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Abstract

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.

연구목적: Silane 처리가 FRC-포스트와 레진 시멘트 간의 결합강도에 미치는 영향을 알아보고자 하였다. 연구 재료 및 방법: FRC-포스트로 LuxaPost (DMG)와 Rely-X Fiber Post (3M ESPE)를 사용하였으며 자가 접착 레진 시멘트인 Rely-X Unicem (3M ESPE)과 전통형 레진시멘트인 Rely-X ARC (3M ESPE)와의 Rely-X Ceramic Primer (3M ESPE)를 이용한 표면처리 유무에 따른 결합강도를 push-out test를 실시하여 측정하고 independent samples t-test 및 one-way ANOVA와 Scheffe 사후검정을 95% 유의수준에서 실시하였다. 결과: 실험 결과 Rely-X Fiber Post를 사용한 실험군에서 silane 처리와 관계없이 Rely-X ARC를 적용하였을 때, 다른 실험군들에 비해 높은 결합 강도가 나타났으며 LuxaPost를 사용한 실험군에서 각각의 레진 시멘트에 대해 silane 처리를 하였을 때 시행하지 않은 실험군에 비해 높은 결합 강도가 나타났다. 결론: 이상의 실험 결과로 볼 때 미리 silane 처리된 LuxaPost를 사용하더라도 silane 처리를 시행하는 것이 좋은 것으로 생각된다.

Keywords

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