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Geometrically simplified 3D finite element modeling of a smooth dental implant: materials influence across different
Lahcene Ghouari1,2, Takieddine Naili3,4, Charafeddine Benatmane5,6
1Mechanical Engineering Department, Dr YAHIA Fares de Medea University, Algeria.
Abstract:
This study analyzes the biomechanical behavior of a simplified tubular dental implant under linear elastic loading using finite element analysis. Von Mises stresses in cortical bone reached 3.25-10.05 MPa (types I-II), 9-9.15 MPa (type III), and 14.15 MPa (type IV), mainly at specific contact points, while cancellous bone peaked at 3.25 MPa. No mechanical failure occurred under a 70 N load. Material comparison showed PEEK exhibited the highest stress (13.5 MPa) and micromotion (2.5×10-3 µm), whereas titanium and zirconia showed similar values (9.95-9.75 MPa). These results confirm the predictive value of finite element analysis in implant design.
