구강회복응용과학지 (Journal of Dental Rehabilitation and Applied Science)

  • 제25권4호
  • /
  • Pages.403-415
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  • 2009
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  • 2384-4353(pISSN)
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  • 2384-4272(eISSN)
대한턱관절교합학회 (Korean Academy of Stomatognathic Function and Occlusion)
권호 표지

임플란트 지대주 형태와 시멘트 종류에 따른 전부주조금관의 유지력 비교

The Comparison of the Retention of the Full Veneer Casted Gold Crowns with Different Implant Abutment Shapes and Types of Cements

  • 정재욱 (연세대학교 치과대학 보철학 교실) ;
  • 김지환 (연세대학교 치과대학 보철학 교실) ;
  • 김선재 (연세대학교 치과대학 보철학 교실) ;
  • 문홍석 (연세대학교 치과대학 보철학 교실) ;
  • 심준성 (연세대학교 치과대학 보철학 교실)
  • Jung, Jae-Wook (Department of Prosthodontics, College of Dentistry, Yonsei University) ;
  • Kim, Jee-hwan (Department of Prosthodontics, College of Dentistry, Yonsei University) ;
  • Kim, Sun-jai (Department of Prosthodontics, College of Dentistry, Yonsei University) ;
  • Moon, Hong-suk (Department of Prosthodontics, College of Dentistry, Yonsei University) ;
  • Shim, June-sung (Department of Prosthodontics, College of Dentistry, Yonsei University)
  • 투고 : 2009.09.30
  • 심사 : 2009.12.25
  • 발행 : 2009.12.31
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초록

본 연구에서는 시멘트 유지형 임플란트에서 지대주의 수렴각과 시멘트 종류에 따라 보철물의 유지력에 미치는 영향에 대해 알아보고자 하였다. 임플란트 지대주와 유사한 외형을 갖는 금속 다이를 제작하였으며, 짧은 지대주(5mm)와 긴 지대주(10mm) 두가지로 설정하였으며, 각각 5, 10, 15, 25도의 수렴각을 갖는 금속 다이를 제작하였다. 금속 다이와 금속 다이로부터 제작한 금주조관을 Temp-bond, petroleum jelly를 일정 비율로 섞은 Temp-bond, ZPC, Premier implant cement로 합착시킨 후, 인장력에 대한 유지력을 측정하였다. 그 후 각각의 시멘트 군에서 수렴각의 변화가 유지력에 미치는 영향과 각 수렴각 군에서 시멘트의 변화가 유지력에 미치는 영향을 비교하였다. 또한 본 실험에서 사용된 시멘트 중 Premier implant cement의 변연 간격에 대한 연구를 추가적으로 시행하였으며, in-vitro 실험의 한계 내에서 다음과 같은 결론을 도출하였다. 1. Petroleum jelly를 첨가한 Temp-bond의 경우 각각 수렴각이 증가함에 따라 모든 경우에 유지력이 감소함을 보였으며, 시멘트 중 가장 낮은 유지력을 나타냈다. 2. ZPC의 경우 수렴각이 증가함에 따라 유지력의 감소를 보였으며, 수렴각이 5도인 경우 ZPC가 Premier implant cement보다 더 큰 유지력을 보였다. 3. Premier implant cement의 경우 수렴각이 5도일 때 가장 작은 유지력을 보이고 10도에서 가장 큰 값을 보인 후 수렴각이 증가할수록 유지력이 감소하는 양상을 보였다. 4. Premier implant cement의 경우 이번 실험의 조건 내에서 수렴각이 10도일 때보다 5도일 때 더 큰 변연 간격을 보였다.

The purpose of the study is to establish the effect of different abutment shapes and types of cements on the retention of the full veneer casted gold crowns. Metal dies that has the similar shape with the implant abutment were manufactured using a short(5mm) and long(10mm) dies with different convergence angles. Metal dies and gold crowns, which were made from the metal dies, were cemented with Temp-bond, Temp-bond mixed with petroleum jelly, ZPC and Premier implant cement. After that, these were tested for tensile force at the point of separation. The effect of convergence angle changes of different cement types on the retention was studied as well as the effects of the cement type changes with different convergence angles on the retention. In addition, study about the marginal gap of Premier implant cement used for this experiment was conducted. The results are as followed under the in-vitro experimental limits; 1. The retention of the Temp-bond mixed with petroleum jelly decreased as the convergence angle increased, and the retention was weakest among the cements. 2. The retention of ZPC decreased as convergence angle increased. When convergence angle was 5 degrees, ZPC showed stronger retention than Premier implant cement. 3. Premier implant cement had the weakest retention when the convergence angle was 5 degrees but when the convergence angle was 10 degrees, it had the strongest retention. As the angle increased more than 10 degrees, the retention decreased. 4. Premier implant cement showed bigger marginal gap when the convergence angle was 5 degrees than 10 degrees under the experimental condition.

키워드

과제정보

연구 과제 주관 기관 : 연세대학교

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