Restorative Dentistry and Endodontics

  • 제31권3호
  • /
  • Pages.147-152
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  • 2006
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  • 2234-7658(pISSN)
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  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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AH-26 및 산화아연유지놀 근관실러가 상아질에 대한 복합레진의 전단결합강도에 미치는 영향

The Influence of AH-26 and Zinc Oxide-Eugenol Root Canal Sealer on the Shear Bond Strength of Composite Resin to Dentin

  • 조주연 (경북대학교 치의학전문대학원 치과보존학교실) ;
  • 진명욱 (경북대학교 치의학전문대학원 치과보존학교실) ;
  • 김영경 (경북대학교 치의학전문대학원 치과보존학교실) ;
  • 김성교 (경북대학교 치의학전문대학원 치과보존학교실)
  • Cho, Ju-Yeon (Department of Conservative Dentistry, School of Dentistry, Kyungpook National University) ;
  • Jin, Myoung-Uk (Department of Conservative Dentistry, School of Dentistry, Kyungpook National University) ;
  • Kim, Young-Kyung (Department of Conservative Dentistry, School of Dentistry, Kyungpook National University) ;
  • Kim, Sung-Kyo (Department of Conservative Dentistry, School of Dentistry, Kyungpook National University)
  • 발행 : 2006.05.01
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초록

AH-26 근관실러가 상아질에 대한 복합레진의 전단결합강도에 미치는 영향을 평가하기 위하여 144개의 발거된 대구치를 실린더형의 몰드에 매식한 다음 치관부의 상아질 표면을 노출시킨 후 편평하게 연마하고 AH-26을 도포한 군, ZOE paste를 도포한 군 및 실러를 도포하지 않은 대조군으로 나누어 One-step 상아질 접착제를 처리한 후에 Charisma (Heraeus Kulzer Germany) 복합레진을 적용하고 광중합시켰다. 시편을 분리하여 $37^{\circ}C$ 항온조에 24시간 보관후 Instron test machine (Model 4202, Instron Corp. USA)을 이용하여 시편의 전단 결합 강도를 측정하고 one-way ANOVA 및 Tukey's studentized rank test로 통계 분석 하였다. AH-26 근관실러로 처리한 군과 대조군은 ZOE 근관실러 처리군에 비해 유의하게 놓은 접착강도를 나타내었다(p<0.05). AH-26 근관실러 처리군과 아무 처리하지 않은 대조군 사이에는 결합강도에 있어 유의한 차이를 나타내지 않았다 (p>0.05). 본 연구의 조건에서는 ZOE 근관실러는 상아질에 대한 복합레진의 전단결합강도를 저하시키는 반면 AH-26 근관실러는 유의한 영향을 미치지는 않는 것으로 보인다. 따라서 임상에서 근관실러로 AH-26을 사용한 근관충전 후에는 즉시 복합레진 코어를 해 주어도 결합력에 저해가 없을 것으로 여겨진다.

The purpose of this study was to evaluate the influence of the AH-26 root canal sealer on the shear bond strength of composite resin to dentin. One hundred and forty four (144) extracted, sound human molars were used. After embedding in a cylindrical mold, the occlusal part of the anatomical crown was cut away and trimmed in order to create a flat dentin surface. The teeth were randomly divided into three groups; the AH-26 sealer was applied to the AH-26 group, and zinc-oxide eugenol (ZOE) paste was applied to the ZOE group. The dentin surface of the control group did not receive any sealer. A mount jig was placed against the surface of the teeth and the One-step dentin bonding agent was applied after acid etching. Charisma composite resin was packed into the mold and light cured. After polymerization, the alignment tube and mold were removed and the specimens were placed in distilled water at $37^{\circ}C$ for twenty four hours. The shear bond strength was measured by an Instron testing machine. The data for each group were subjected to one-way ANOVA and Tukey's studentized rank test so as to make comparisons between the groups. The AH-26 group and the control group showed significantly higher shear bond strength than the ZOE group (p<0.05). There were no significant differences between the AH-26 group and the control one (p>0.05). Under the conditions of this study, the AH-26 root canal sealer did not seem to affect the shear bond strength of the composite resin to dentin while the ZOE sealer did. Therefore, there may be no decrease in bond strength when the composite resin core is built up immediately after a canal filling with AH-26 as a root canal sealer.

키워드

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피인용 문헌

  1. Influence of Sodium Ascorbate on Microtensile Bond Strengths to Pulp Chamber Dentin treated with NaOCl vol.33, pp.6, 2008, https://doi.org/10.5395/JKACD.2008.33.6.545
  2. study vol.39, pp.1, 2014, https://doi.org/10.5395/rde.2014.39.1.17