Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
권호 표지

FINITE ELEMENT ANALYSIS OF WIDE DIAMETER SCREW IMPLANT PLACED INTO REGENERATED BONE

재생된 골에 식립한 넓은 직경의 나사형 임플란트에 대한 유한요소법적 분석

  • Kim, Su-Gwan (Dept. of Oral & Maxillofacial Surgery, College of Dentistry, Chosun University) ;
  • Kim, Jae-Duk (Dept. of Periodontology, College of Dentistry, Chosun University) ;
  • Kim, Chong-Kwan (Dept. of Periodontology, College of Dentistry, Yonsei University) ;
  • Kim, Byung-Ock (Dept. of Periodontology, College of Dentistry, Chosun University)
  • 김수관 (조선대학교 치과대학 구강악안면외과학교실) ;
  • 김재덕 (조선대학교 치과대학 치주과학교실) ;
  • 김종관 (연세대학교 치과대학 치주과학교실) ;
  • 김병옥 (조선대학교 치과대학 치주과학교실)
  • Published : 2005.06.30
Download PDF
⟨ Previous Next ⟩

Abstract

The purpose of this study was to investigate the distribution of stress within the regenerated bone surrounding the implant using three dimensional finite element stress analysis method. Using ANSYS software revision 6.0 (IronCAD LLC, USA), a program was written to generate a model simulating a cylindrical block section of the mandible 20 mm in height and 10 mm in diameter. The $5.0{\times}11.5-mm$ screw implant (3i, USA) was used for this study, and was assumed to be 100% osseointegrated. And it was restored with gold crown with resin filling at the central fossa area. The implant was surrounded by the regenerated type IV bone, with 4 mm in width and 7 mm apical to the platform of implant in length. And the regenerated bone was surrounded by type I, type II, and type III bone, respectively. The present study used a fine grid model incorporating elements between 250,820 and 352,494 and nodal points between 47,978 and 67,471. A load of 200N was applied at the 3 points on occlusal surfaces of the restoration, the central fossa, outside point of the central fossa with resin filling into screw hole, and the functional cusp, at a 0 degree angle to the vertical axis of the implant, respectively. The results were as follows: 1. The stress distribution in the regenerated bone-implant interface was highly dependent on both the density of the native bone surrounding the regenerated bone and the loading point. 2. A load of 200N at the buccal cusp produced 5-fold increase in the stress concentration at the neck of the implant and apex of regenerated bone irrespective of surrounding bone density compared to a load of 200N at the central fossa. 3. It was found that stress was more homogeneously distributed along the side of implant when the implant was surrounded by both regenerated bone and native type III bone. In summary, these data indicate that concentration of stress on the implant-regenerated bone interface depends on both the native bone quality surrounding the regenerated bone adjacent to implant and the load direction applied on the prosthesis.

Keywords

References

  1. 김수관, 전창길, 황갑운, 김병옥: Fin type 임플랜트 고정체의 유한요소법적 분석. 대한구강악안면외과학회지 2003;29:14-25
  2. 김영수, 조인호, 정성민, 임성빈: Esthetic Implant Dentistry: Soft and Hard Tissue Manamgement. 정원사 2001;48-67
  3. 김병옥, 홍국선, 김수관: IV형의 골질로 재생된 골내에 식립된 원통형 임플란트의 유한요소법적 연구. 대한구강악안면외과학회지 2004;30:331-338
  4. 김성호, 김수관, 심형순, 김병옥: 나사형 임플란트에 인접한 재생된 골과 자연골 사이의 경계부에 대한 유한요소법적 분석. 대한악안면성형재건회과학회지 2004;26:427-434
  5. 김수관, 박병기, 심형순, 김종관, 김병옥: 제4형 골질로 재생된 골에 식립한 나사형 임플란트에 대한 유한요소법적 분석. 대한악안면성형재건외과학회지 2004;26:542-550
  6. 지숙, 이상화, 김수관, 김병옥: 재생된 골과 자연골 사이의 계면에 대한 유한요소법적 분석. 대한악안면성형재건회과학회지 2004;26:24-33
  7. Bahat O: Osseointegrated implants in the maxillary tuberosity: Report in 45 consecutive patients. Int J Oral Maxillofac Implants 1992;7:459-467
  8. Balshi T: An analysis and management of fractured implants: A clinical report. Int J Ortal Maxillofac Implants 1996;11:372-378
  9. Clelland NL, Ismail YH, Zaki HS, Pipko D: Three-dimensional finite element stress analysis in and around the Screw-Vent Implant. Int J Oral Maxillofac Implants 1991;6:391-398
  10. Clift SE, Fisher J, Watson CJ: Finite element stress and strain analysis of the bone surrounding a dental implant: effect of variations in bone modulus. Proc Instn Mech Engrs 1992;206:233-241
  11. Davarpanah M, Martinez H, Kebir M, Etienne D, Tecucianu J: Wide- Diameter Implants: New Concepts. Int J Periodontics Restorative Dent 2001;21:149-159
  12. Duyck J, Naert IE, Van Oosterwyck H, Van der Sloten J, De Cooman M, Lievens S, et al: Biomechanics of oral implants: a review of the literature. Technol Health Care, 1997;5:253-273
  13. Eckert SE, Meraw SJ, Weaver AL, Lohse CM: Early experience with Wide-Platform MK II implants. Part I: Implant survival. Part II:Evaluation of risk factors involving implant survival. Int J Oral Maxillofac Implants 2001;16:208-216
  14. Fanuscu MI, Vu HV, Poncelet B: Implant biomechanics in grafted sinus: a finite element analysis. J Oral Implantol 2004;30:59-68 https://doi.org/10.1563/0.674.1
  15. Geramy A, Morgano SM: Finite element analysis of three designs of an implant-supported molar crown. J Prosthet Dent 2004;92:434-440 https://doi.org/10.1016/j.prosdent.2004.08.011
  16. Gregory M, Murphy W, Scot J, Watson CJ, Reeve PE: A clinical study of the Branemark dental implant system. Br Dent J 1990;168:18-23 https://doi.org/10.1038/sj.bdj.4807071
  17. Handelsman M: Treatment planning and surgical considerations for placement of wide-body implants. Compendium 1998;19:507-514
  18. Holmes DC, Loftus JT: Influence of bone quality on stress distribution for endosseous implants. J Oral Implantol 1997;23:104-111
  19. Jaffin RA, Berman CL: The excessive loss of Branemark fixtures in type IV bone. A 5-year analysis. J Periodontol 1991;62:2-4 https://doi.org/10.1902/jop.1991.62.1.2
  20. Langer B, Langer L, Herrmann I, Erug M: The wide fixture: A solution for special bone situations and rescue for the compromized implant. Part 1. Int J Oral Maxillofac Implants 1993;8:400-408
  21. Lazzara RJ: Criteria For Implant Selection: Surgical and prosthetic considerations. Prac Periodontics Aesthetic Dent 1994;6:55-62
  22. Meijer HJA, Kuiper JH, Starmans FJM, Bosman F: Stress distribution around dental implants: Influence of superstructure, length of implants, and height of mandible. J Prosthet Dent 1992;68:96-102 https://doi.org/10.1016/0022-3913(92)90293-J
  23. Meyer U, Vollmer D, Runte C, Bourauel C, Joos U: Bone loading pattern around implants in average and atrophic edentulous maxillae: a finite-element analysis. J Maxillofac Surg 2001;29:100-105
  24. Misch CE: Contemporary implant dentistry? 2nd ed. Mosby, St Louis, London, Philadelphia, Sydney, Toronto, 1999;109-118
  25. Oschenbein C: A primer for osseous surgery. Int Periodontics Restorative Dent 1986;6:9-47
  26. Rangert B, Krough P, Langer B: Bending overload and implant fracture: A retrospective clinical analysis. Int J Ortal Maxillofac Implants 1995;10:326-334
  27. Reiger MR, Adams WK, Kinzel GL: A finite element survey of eleven endosseous implants. J Prosthet Dent 1990;63:457-465 https://doi.org/10.1016/0022-3913(90)90238-8
  28. Sato Y, Shindoi N, Hosokawa R, Tsuga K, Akagawa Y:Biomechanical effects of double or wide implants for single molar replacement in the posterior mandibular region. J Oral Rehabili 2002;27:842-845
  29. Tada S, Stegaroiu R, Kitamura E, Miyakawa O, Kusakari H:Influence of implant design and bone quality on stress/strain distribution in bone around implants: a 3-dimensional finite element analysis. Int J Oral Maxillofac Implants 2003;18:357-368
  30. Wang TM, Leu LJ, Wang HS, Li LD: Effects of prosthesis materials and prosthesis splinting on peri-implant bone stress around implants in poor-quality bone: A Numeric Analysis. Int J Oral Maxillofac Implants 2002;17:231-237