A study on stress distribution at the bone-implant interface in platform switched short dental implants by three-dimensional finite element model (original) (raw)

Journal of Datta Meghe Institute of Medical Sciences University, 2021

Abstract

Aims: The authors carried out this study to analyze the pattern of stress distribution in terms of eqicrestal and subcrestal implant placement at various depths using short platform switched dental implants. Settings and Design: Modeling of the mandibular posterior molar region done with uniformly thick 1.5 mm cortical bone with an inner core of cancellous bone by three-dimensional finite element model (FEM). Implant dimensions used in the study are of length 6 mm, diameter 4.6 mm, and 3.5 mm abutments. Subjects and Methods: The applied force was 100N in an axial and oblique direction (15°, 30°) for realistic simulation. All models created by ANSYS WORKBENCH.von Mises stress is evaluation in both cancellous and cortical bone at various depths. Translations interpreted on x, y, and z-axis with ten noded tetrahedron elements with 3° of freedom per node. Results: All five position of platform switched short osseointegrated implants analyzed by FEM simulations exhibited different stress...

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