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All Journal Jurnal Pendidikan Teknik Mesin
Septian Eko Cahyono
Universitas Negeri Semarang
Mechanical Engineering

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BIOMECHANICAL SENSITIVITY OF A THREE-IMPLANT MANDIBULAR REHABILITATION MODEL UNDER ORTHOTROPIC BONE PROPERTY VARIATIONS: A 3D FINITE ELEMENT STUDY Alifian Bagas Saputra; Kriswanto; Septian Eko Cahyono; Jamari; Athanasius Priharyoto Bayuseno; Dhiaulhaque; Hastaka Juan Pratama Putra
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.v26i01.54368

Abstract

Achieving clinical effectiveness depends on an awareness of the mechanical features of implanted supported mandibular prosthesis. This study used three-dimensional finite element analysis to assess how sensitive a three-implant mandibular arrangement is to changes in the properties of cortical and cancellous bone. Using Ti-6Al-4V material, implants were shown; the bone was defined with orthotropic linear-elastic properties. Young's modulus and shear modulus were systematically changed by 5–15%. Under a 100 N axial load, biomechanical reactions including von Mises stress, principal strain, and displacement were studied with variation coefficients employed to evaluate their consistency. The results showed that stress had minimal changes while strain, particularly in cortical and cancellous bone, was quite sensitive to changes in material characteristics. Young's modulus had a greater influence than shear modulus, and increasing stiffness reduced total displacement. Still, the three-implant system showed consistent load distribution patterns, which suggested strong biomechanical stability. These findings underline how important bone flexibility is for the dynamics of peri-implant tissue and support the application of strain-related metrics for estimating implant placements.
Co-Authors Alifian Bagas Saputra Athanasius Priharyoto Bayuseno Dhiaulhaque Hastaka Juan Pratama Putra Jamari Kriswanto