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THE THREE DIMENSIONAL FINITE ELEMENT ANALYSIS OF THE STRESS DISTRIBUTION IN THE THREE TREATMENT OPTIONS OF IMPLANTS RESTORATIONS FOR THE POSTERIOR PARTIAL EDENTULISM  

Kim, Il-Kyu (Dept. of Dentistry, Medical College, In-Ha University)
Lee, Hyeung-Uk (Dept. of Dentistry, Medical College, In-Ha University)
Ryu, Seung-Hyun (Dept. of Dentistry, Medical College, In-Ha University)
Choi, Jin-Ho (Dept. of Dentistry, Medical College, In-Ha University)
Han, Ye-Sook (Dept. of Dentistry, Medical College, In-Ha University)
Son, Choong-Yul (Dept. of Naval Archi & Ocean Eng, In-Ha University)
Byun, Hyo-In (Dept. of Naval Archi & Ocean Eng, In-Ha University)
Publication Information
Journal of the Korean Association of Oral and Maxillofacial Surgeons / v.30, no.3, 2004 , pp. 175-180 More about this Journal
Abstract
In this study, three treatment options to replace two posterior missing teeth were investigated using three dimensional finite element analysis: two wide(${\phi}5.0mm$) implants(the experimental model I), two standard(${\phi}3.75mm$) implants(the experimental model II), and three standard(${\phi}3.75mm$) implants(the experimental model III). Two kinds of load case were applied ; 1) perpendicular on occlusal surface(axial load), parallel on occlusal surface(lateral load). 2) perpendicular on occlusal surface(3mm lateral to central point). The results obtained from this study were as follows; value of Von-mises stress (equivalent stress) was smallest in the two wide implant among the three experimental models. It was reported that the diameter is the efficient factor than osseointegrated surface area.
Keywords
Von-mises stress; Stress distribution; Finite element methods;
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