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Shear bond strength between universal adhesives with various pH and dual-cured resin cements

다양한 pH를 가지는 Universal adhesives와 이원 중합 레진 세멘트 간의 전단결합강도

  • Kwon, Sung-Joo (Department of conservative dentistry, School of Dentistry, Pusan National University) ;
  • Park, Jeong-Kil (Department of conservative dentistry, School of Dentistry, Pusan National University) ;
  • Son, Sung-Ae (Department of conservative dentistry, School of Dentistry, Pusan National University)
  • 권성주 (부산대학교 치의학전문대학원 치과보존학교실) ;
  • 박정길 (부산대학교 치의학전문대학원 치과보존학교실) ;
  • 손성애 (부산대학교 치의학전문대학원 치과보존학교실)
  • Received : 2018.11.08
  • Accepted : 2018.12.04
  • Published : 2018.12.30

Abstract

The purpose of this study is to evaluate the compatibility of universal adhesives with two dual-cured resin cements. Eighty human molars were divided into eight groups. Tooth was embedded in self-curing acrylic resin and sectioned horizontally to exposure dentine surface. After polishing with 600-grit SiC paper, adhesives were applied. All-Bond Universal (Bisco), G-premio bond (GC), Scotch-bond universal (3M ESPE), Scotch-bond Multipurpose (3M ESPE) were used in this study. Calibra (Dentsply) as a conventional dual-curing resin cement and RelyX Ultimate (3M ESPE) as an amine free resin cement were used. The adhesives and the cements were applied according to the manufacturer's instructions. Final specimens were cylinder (diameter 2mm, height 3mm) shape. After storing in distilled water at $37^{\circ}C$ for 7 days the shear bond strength (SBS) test was performed. There was no significant difference in shear bond strength between the adhesives when RelyX Ultimate was used (p>0.05). However, when Calibra used with Scotch-bond Multipurpose and All-Bond Universal were used, statistically higher SBS was observed, as compared to the groups which Calibra cements with G-premio bond and Scotch-bond universal adhesive (p<0.05) were used. Within the limitations of this study, RelyX Ultimate resin cement was compatible with universal adhesives of various pH. All-Bond Universal adhesive was compatible with a resin cement containing the tertiary amine.

이 연구의 목적은 현재 쓰임이 증가하고 있는 여러 종류의 범용 상아질 접착제와 삼차 아민을 포함 혹은 포함하지 않는 레진시멘트 간의 호환성을 평가하기 위함이다. 총 80개의 사람 대구치를 선정해 레진 블럭에 매몰하여 상아질을 노출시키고 600-grit SiC paper로 연마한 후 3종류의 범용 상아질 접착제 Scotchbond universal (3M ESPE, pH 2.6), G-premio bond (GC, pH 1.5), All bond universal (Bisco, pH 3.2) 및 대조군으로 3-step etch and rinse system인 Scotchbond multipurpose (3M ESPE)를 제조사의 지시대로 적용한 후 광중합 시행하였다. 그 위에 직경 2 mm, 높이 3 mm의 몰드를 이용해 삼차아민을 포함한 레진 시멘트인 Calibra(Dentsply) 혹은 삼차 아민을 포함하지 않는 레진시멘트인 RelyX Ultimate (3M ESPE)를 적용하고 20초간 광중합하였다. 그 후 $37^{\circ}C$ 증류수에 7일간 보관 후 미세전단강도를 측정하였다. 각 결과값을 ANOVA와 Tukey test로 분석하였다. 실험 결과 Calibra를 사용한 경우 Scotchbond Multipurpose와 All bond Universal adhesive 적용시 G-premio bond 및 Scotchbond universal adhesive를 적용했을 때에 비해 유의하게 높은 미세전단강도를 나타냈다(p<0.05) RelyX Ultimate를 사용한 경우 adhesive간의 유의한 차이가 관찰되지 않았다(p>0.05).

Keywords

Acknowledgement

Supported by : Pusan National University Dental Hospital

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