대한치과보철학회지 (The Journal of Korean Academy of Prosthodontics)

  • 제40권4호
  • /
  • Pages.335-343
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  • 2002
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  • 0301-2875(pISSN)
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  • 2005-3789(eISSN)
대한치과보철학회 (The Korean Academy of Prosthodonitics)
권호 표지

접착용 시멘트의 결합강도에 임시 접착제와 탈감작제가 미치는 영향

THE EFFECT OF TEMPORARY CEMENT AND DESENSITIZER ON THE BOND STRENGTH OF LUTING CEMENTS

  • 선세나 (전남대학교 치과대학 치과보철학교실) ;
  • 양홍서 (전남대학교 치과대학 치과보철학교실) ;
  • 박상원 (전남대학교 치과대학 치과보철학교실)
  • Sun Se-Na (Department of Prosthodontics, College of Dentistry, Chonnam National University) ;
  • Yang Hong-So (Department of Prosthodontics, College of Dentistry, Chonnam National University) ;
  • Park Sang-Won (Department of Prosthodontics, College of Dentistry, Chonnam National University)
  • 발행 : 2002.08.01
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초록

This study investigated the effect of temporary cement and desensitizer on the bond strength of luting cements. Total 96 dentin specimens were divided into two groups with and without temporary cementation. For temporary cement-tread group, specimens were cemented with $Temp-bond^{(R)}$ and all specimens were stored in distilled water at $37^{\circ}C$ for 7 days. Each cup was further divided into 3 subgroups with $Gluma^{(R)},\;One-step^{(R)}$ application and without desensitizer After desensitizer application, Ni-Cr specimens were luted to dentin surface with $Panavia-F^{(R)}$ and $Vitremer^{(R)}$ Specimens were placed in distilled water at $37^{\circ}C$ for 24 hours and shear bond strength between metal and dentin was measured by a universal testing machine. The results were as follows : 1. In $Panavia-F^{(R)}$ cemented groups, the combination of $One-step^{(R)}$ without temporary cement showed the greatest strength. Among the desensitizer types, $One-step^{(R)}$ showed the highest bond strength, followed by No-desensitizer, $Gluma^{(R)}$. 2. In $Vitremer^{(R)}$ cemented groups, the combination of no temporary cement and without desensitizer showed the greatest bond strength. Among the desensitizer types, No-desensitizer group showed the highest bond strength. 3. The use of $Gluma^{(R)}$ significantly reduced the shear bond strength in $Panavia-F^{(R)}$ and $Vitremer^{(R)}$ groups. 4. All temporary cement-treated groups showed a significant lower shear bond strength than without temporary cement groups. 5. Desensitizer application significantly influenced the bond strength of the resin cement and resin modified glass ionomer cement.

키워드

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