Abutment Sinking and Fitness of Conical Internal Connection Implant System according to Loading Condition

하중조건에 따른 원추형 내측연결 임플랜트 시스템에서 지대주 침하 및 적합에 관한 연구

  • Lee, Hal-La (Department of Prosthodontics, College of Dentistry, Chosun University) ;
  • Kim, Hee-Jung (Department of Prosthodontics, College of Dentistry, Chosun University) ;
  • Son, Mee-Kyoung (Department of Prosthodontics, College of Dentistry, Chosun University) ;
  • Chung, Chae-Heon (Department of Prosthodontics, College of Dentistry, Chosun University)
  • 이한라 (조선대학교 치과대학 치과보철학교실) ;
  • 김희중 (조선대학교 치과대학 치과보철학교실) ;
  • 손미경 (조선대학교 치과대학 치과보철학교실) ;
  • 정재헌 (조선대학교 치과대학 치과보철학교실)
  • Received : 2008.01.22
  • Accepted : 2008.03.25
  • Published : 2008.03.30

Abstract

The purpose of this study was to evaluate internal conical abutment sinking and fitness according to the loading condition. In this study, Alloden implant fixture and two abutment(conventional, FDI) systems were used. Each abutment was applied 1 time of finger force, 3 times of malleting force, 5 times of 20kg and extra several times to the fixture until the amount of abutment singking showed no change. Then, the length of abutment to fixture which was binding lightly with no pressure state was measured by Vernier caliper. After loading application, the length was remeasured and the amount of sinking was calculated. The implant was buried in unsaturated polyester (Epovia, Cray Valley Inc. Korea) for making a comparison between the change of length and fitness of abutment-fixture connection part. Then All samples were cross-sectioned with high speed precision cut-off(accutom-5, Struers, Denmark). Finally, The result were observed and analyzed using FE-SEM (field emission scanning electron microscopy).

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