Measurement of Contact Angle and Bond Strength Using 3 Different Self-Etching Primer

3종의 자가부식 프라이머의 상아질계면 접촉각 및 미세인장결합강도에 관한 연구

  • Chang, Seok-Woo (Department of Conservative Dentistry, The institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Kwon, Ho-Beom (Department of Prosthodontics, The institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Yoo, Hyun-Mi (Department of Conservative Dentistry, The institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Park, Dong-Sung (Department of Conservative Dentistry, The institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Oh, Tae-Seok (Department of Conservative Dentistry, The institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Bae, Kwang-Shik (Department of Conservative Dentistry, College of Dentistry, Seoul National University)
  • 장석우 (성균관대학교 의과대학 삼성서울병원 치과진료부 보존과) ;
  • 권호범 (성균관대학교 의과대학 삼성서울병원 치과진료부 보철과) ;
  • 유현미 (성균관대학교 의과대학 삼성서울병원 치과진료부 보존과) ;
  • 박동성 (성균관대학교 의과대학 삼성서울병원 치과진료부 보존과) ;
  • 오태석 (성균관대학교 의과대학 삼성서울병원 치과진료부 보존과) ;
  • 배광식 (서울대학교 치과대학 치과보존학교실)
  • Received : 2008.01.23
  • Accepted : 2008.03.25
  • Published : 2008.03.30

Abstract

The purpose of this study was to evaluate the contact angle made by 3 kinds of self etching primers (Clearfil SE Bond, AdheSE, and Tyrian) on dentin and to measure the microtensile bond strength of resin composite to dentin using these self-etching primers. Contact angle between each of 3 self etching primers and polished dentin surface was measured (n=30) by contact angle analyzer and the result was analyzed by One-way ANOVA. For the measurement of microtensile bond strength, polished dentin surface was treated with each of 3 self etching primers and dentin adhesives. Z-250 composite resin was built-up with a height of 5 mm on the adhesive-treated surface and light cured for 40s with a halogen light curing unit. Thereafter, each tooth was sectioned into slabs perpendicular to the bonded interface and trimmed (n=45). The microtensile bond strength was measured with universal testing machine and the result was analyzed with Kruskal-Wallis test. AdheSE group showed the highest contact angle followed by Clearfil SE group and Tyrian group (p<0.05). AdheSE group and Clearfil SE group showed significantly higher microtensile bond strength than Tyrian group (P<0.05).

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