Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
권호 표지

Finite Element Stress Analysis of Implant Prosthesis According to Friction Fit or Slip Fit of Internal Connection System between Implant and Abutment

임플랜트와 지대주 간 내측연결 시스템에서 Friction Fit와 Slip Fit에 따른 유한요소 응력분석

  • Jang, Doo-Ik (Dept of Prosthodontics, College of Dentistry, Chosun University) ;
  • Jeong, Seung-Mi (Dept of Dentistry, College of Wonju Medicine, Yonsei University) ;
  • Chung, Chae-Heon (Dept of Prosthodontics, College of Dentistry, Chosun University)
  • 장두익 (조선대학교 치과대학 보철학교실) ;
  • 정승미 (연세대학교 원주의과대학 치과학교실) ;
  • 정재헌 (조선대학교 치과대학 보철학교실)
  • Published : 2005.11.30
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Abstract

The purpose of this study was to assess the stress-induced pattern at the supporting bone, the implant fixture, the abutment and the abutment screw according to a friction-fit joint (Astra; Model 1) or slip- fit joint (Frialit-2; Model 2) in the internal connection system under vertical and inclined loading using finite element analysis. In conclusion, in the internal connection system of the implant and the abutment connection methods, the stress-induced pattern at the supporting bone, the implant fixture, the abutment and the abutment screw according to the abutment connection form had difference among them, and the stress distribution pattern usually had a widely distributed tendency along the inner surface of the implant fixture contacting the abutment post. The magnitude of the stress distributed in the supporting bone, the implant fixture, the abutment and the abutment screw was higher in the friction-fit joint than in the slip-fit joint. But it is considered that the further study is necessary about how this difference in the magnitude of the stress have an effect on the practical clinic.

Keywords

References

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