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All Journal Jurnal Pendidikan Teknik Mesin
Kriswanto
Semarang State University
Mechanical Engineering

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THREE-DIMENSIONAL FEA OF FIXTURE DIAMETER INFLUENCE ON ABUTMENT AND SCREW IN ANTERIOR MAXILLA BRIDGES Beni Aji Subekti; Kriswanto; Febri Budi Darsono; Rahmat Doni Widodo; J. Jamari; Athanasius Priharyoto Bayuseno
Jurnal Pendidikan Teknik Mesin Vol. 26 No. 01 (2026): June 2026 "Special issues for finite element analysis"
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jptm.v26i01.29860

Abstract

Numerical simulation-based biomechanical evaluation was used to analyze the effect of implant diameter variation on stress and strain on the abutment and screw using the Finite Element Method (FEM). Modeling was performed based on CBCT data and simulated in ANSYS Workbench 2023 R1. Three implant diameters were tested (3.75 mm, 4.3 mm, and 5.0 mm), each subjected to a force of 204.1 N at a 45° angle to mimic anterior functional conditions. The 4.3 mm diameter produced the highest stress on the abutment (213.62 MPa), while the 5.0 mm diameter showed the lowest stress (192.5 MPa) and minimum strain (0.00178). The 5.0 mm diameter also reduced the load on the screw, indicating a more stable load distribution. Therefore, this diameter is recommended as the optimal biomechanical configuration for anterior implant bridges, while considering anatomical limitations.
Co-Authors Athanasius Priharyoto Bayuseno Beni Aji Subekti Febri Budi Darsono J. Jamari Rahmat Doni Widodo