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구치부 부분 무치악 결손에서 유용한 세 가지 임프란트 수복법들의 응력분산에 관한 3차원 유한요소법적 비교연구
김일규(Il-Kyu Kim),이성호(Hyeung-Uk Lee),류승현(Seung-Hyun Ryu),최진호(Jinho Choi),한예숙(Ye-Sook Han),손충렬(Choong-Yul Son),변효인(Hyo In Byun) 대한구강악안면외과학회 2004 대한구강악안면외과학회지 Vol.30 No.3
In this study, three treatment options to replace two posterior missing teeth were investigated using three dimensional finite element analysis: two wide(∅5.0mm) implants(the experimental model I), two standard(∅3.75mm) implants(the experimental model II), and three standard(∅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.