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임프란트의 상부구조물 형상과 하중조건에 따른 3차원 유한요소해석을 이용한 하악골의 응력분포에 관한 연구
THREE-DIMENSIONAL STRESS ANALYSIS OF IMPLANT SYSTEMS IN THE MANDIBULAR BONE WITH VARIOUS ABUTMENT TYPES AND LOADING CONDITIONS

신하식   (연세대학교 대학원 기계공학과UU0000936  ); 전흥재   (연세대학교 공과대학 기계공학부UU0000936  ); 한종현   (연세대학교 치과대학 보철학교실UU0000936  ); 이수홍   (연세대학교 공과대학 기계공학부UU0000936  );
  • 초록

    Statement of problem : There are many studies focused on the effect of shape of futures on stress distribution in the mandibular bone. However, there are no studies focused on the effect of the abutment types on stress distribution in mandibular bone. Purpose : The purpose of this study is to investigate the effect of three different abutment types on the stress distributions in the mandibular bone due to various loads by performing finite element analysis. Material and method : Three different implant systems produced by Warantec (Seoul, Korea), were modeled to study the effect of abutment types on the stress distribution in the mandibular bone. The three implant systems are classified into oneplant (Oneplant, OP-TH-S11.5). internal implant (Inplant, IO-S11.5) and external implant (Hexplant, EH-S11.5). All abutments were made of titanium grade ELI. and all fixtures were made of titanium grade IV. The mandibular bone used in this study is constituted of compact and spongeous bone assumed to be homogeneous, isotropic and linearly elastic. A comparative study of stress distributions in the mandibular bone with three different types of abutment was conducted. Results : It was found that the types of abutments have significant influence on the stress distribution in the mandibular bone. It was due to difference in the load transfer mechanism and the size of contact area between abutment and fixture. Also the maximum effective stress in the mandibular bone was increased with the increase of inclination angle of load. Conclusion : It was concluded that the maximum effective stress in the bone by the internal implant was the lowest among the maximum effective stresses by other two types.


  • 주제어

    Oneplant .   Internal Implant .   External Implant .   Finite Element Analysis .   Stress Distribution.  

  • 참고문헌 (12)

    1. N.L. Clelland. Y.H. Ismail. H.S. Zaki, D. Pipko, 'Three-dimensional Finite Element Stress Analysis in and around the Screw-Vent Implant'. Int J Oral Maxillofac Implants. Vol. 6, pp. 391-398. 1991 
    2. Eric P. Holmgren. Robert J. Seckinger. Leslie M. Kilgren. 'Evaluating Parameters of Osseointergated Dental Implant Using Finite Element Analysis a Two-dimensional Comparative Study Examining the Effects of Implant Diameter, Implant Shape. and Load Direction'. Journal of Oral Implantology, Vol. 24, 1998 
    3. Chun HJ. Cheong SY, Han JH. Heo SJ. Chung JP. Rhyu IC, Choi YC. Paik HK, Ku Y, Kim MH. Evaluation of Design Parameters of Osseointegrated Dental Implants Using Finite Element Analysis', Journal of Oral Rehabilitation. Vol. 29. pp. 565-574. 2002 
    4. Ziennkiewics OC. 'The finite element method in engineering science', ed 4. New York. Mc-GrawHill. 1989 
    5. D. Siegele, 'Numerical Investigations of the Influence of Implant Shape on Stress Distributon in the Jaw Bone', Int J Oral Maxillofac Implants. Vol. 4. pp. 333-340. 1989 
    6. David C. Holmes, William R. Grigsby, Vijay K. Geol, John C. Keller. 'Comparison of Stress Transmission in the IMZ Implant System with Polyoxymethylene or Titanium Intranmobile Element : A Finite Element Stress Analysis'. Int J Oral Maxillofac Implants. Vol. 7. pp. 450-458. 1992 
    7. Laurent Pierrisnard, Guy Hure, Michel Barquins, Daniel Chappard. 'Two Dental Implants Designed for Immediate Loading: A Finite Element Analysis'. Int J Oral Maxillofac Implants. Vol. 17. pp. 353 - 362. 2002 
    8. Beat R. Merz, Stephan Hunenbart, 'Mechanics of the Implant-Abutment Connection : An 8-Degree Taper Compared to a Butt Joint Connection', Int J Oral Maxillofac Implants, Vol. 15. pp. 519-526, 2000 
    9. M.R. Rieger, W.K. Adams, G.L. Kinzel. 'A finite element survey of eleven endosseous implants'. J Prosth Dent. Vol. 63. pp. 457-465, 1990 
    10. Tanne K. Burstone CJ, Sakuda M. 'Biomech- anical responses of tooth associated with diff-erent root lenghs and alveolar bone height: Changes of stress distributions in the PDL'. J Osaka Univ DentSchool 29: 17-24, 1989 
    11. Chun HJ, Cheong SY, Han JH, Heo SJ. Chung JP, Choi YC. Rhyu IC. Kim MH. 'Influence of Implant Shapes on Stress Distribution in the Jaw Bone by Finite Element Analysis'. J Biomed Eng Research, vol. 21, No.6, pp. 599-606, 2000 
    12. M.R. Rieger. W.K. Adams. G.L. Kinzel. and M.D Brose. 'Alternative materials for three endosseous implants'. J Prosth Dent. pp. 317, 1989 
  • 이 논문을 인용한 문헌 (1)

    1. Lee, Hye-Sung ; Kim, Myung-Rae ; Park, Ji-Man ; Kim, Sun-Jong 2010. "A 3-dimensional finite element analysis of tapered internal connection implant system (Avana SS $III^{(R)}$) on different abutment connections" 대한치과보철학회지 = The journal of Korean academy of prosthodontics, 48(3): 181~188     

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