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[학술저널]

다양한 마이크로쓰레드(Micro thread)의 개수를 가지는 임플란트의 상부구조물 형상과 하중조건에 따른 3차원 유한요소해석을 이용한 하악골의 응력분포에 관한 연구

  • 학술저널

다양한 마이크로쓰레드(Micro thread)의 개수를 가지는 임플란트의 상부구조물 형상과 하중조건에 따른 3차원 유한요소해석을 이용한 하악골의 응력분포에 관한 연구

Three-dimensional Stress Analysis of Implant Systems with Micro Threads in the Maxillary Bone

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초록

A comparative study of stress distributions in the maxillary bone with three different types of abutment was conducted. Finite element analysis was adopted to determine stress generated in the bone with the different implant systems with micro threads (Onebody type implant, Internal type implant, and External type implant). It was found that the types of abutments and the number of micro threads have significant influence on the stress distribution in the maxillary bone. They were due to the difference in the load transfer mechanism and the size of contact area between abutment and fixture. Also the maximum effective stress in the maxillary bone was increased with increasing inclination angle of load. It was concluded that the maximum effective stress in the bone was the lowest by the internal implant among the maximum effective stresses by other two types of implants and by appropriate number of micro threads, and that the specific number of micro thread was existed to decrease the maximum effective stress in the maxillary bone due to different implant systems and loading conditions.

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참고문헌

참고문헌(13)

  • 1.

    Chun , 2002. , Evaluation of Design Parameters of Osseointegrated Dental Implants Using Finite Element Analysis J. of Oral Rehabilitation 29 : 565 ~ 574

  • 2.

    Clelland , 1991. , Three-dimensional Finite Element Stress Analysis in and around the Screw-Vent Implant 6 : 391 ~ 398

  • 3.

    D , 1989. , Numerical Investigations of the Influence of Implant Shape on Stress Distributon in the Jaw Bone 4 : 333 ~ 340

  • 4.

    Holmes , 199 , Comparison of Stress Transmission in the IMZ Implant System with Polyoxymethylene or Titanium Intranmobile Element 7 : 450 ~ 458

  • 5.

    Holmgren , 1998. , Evaluating Parameters of Osseo-intergated Dental Implant Using Finite Element Analysis a Two-dimensional Comparative Study Examining the Effects of Implant Diameter J. of Oral Implantology 24

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