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Updated: Feb 11, 2026
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Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques
Published on: October 20, 2023
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Three-dimensional optimization and sensitivity analysis of dental implant thread parameters using finite element
Maryam Geramizadeh1, Hamidreza Katoozian1, Reza Amid2
1Department of Biomechanical Engineering, Amirkabir University, Tehran, Iran.
Summary
Optimizing dental implant threads enhances stress distribution. Micro-thread dimensions significantly impact stress and strain, leading to a more stable implant design.
Area of Science:
- Biomaterials Engineering
- Dental Implantology
- Finite Element Analysis
Background:
- Dental implants require optimal design for uniform stress distribution to ensure long-term success.
- Previous designs may not fully address mechanical load challenges.
- Finite element analysis (FEA) is a powerful tool for simulating mechanical behavior.
Purpose of the Study:
- To optimize the thread depth and pitch of a novel dental implant design.
- To achieve uniform stress distribution under axial load.
- To evaluate the sensitivity of mechanical parameters on stress distribution.
Main Methods:
- A 3D finite element model of a tapered dental implant with varied thread types was created.
- Response surface optimization method was employed within FE software.
- An axial load of 100 N was applied to simulate physiological conditions.
Main Results:
- Optimized micro-thread dimensions: 0.307 mm depth, 0.286 mm pitch.
- Optimized V-shaped thread dimensions: 0.405 mm depth, 0.808 mm pitch.
- Sensitivity analysis revealed micro-thread depth and pitch as most influential on stress distribution.
Conclusions:
- The optimized dental implant design features specific micro-thread and V-shaped thread parameters.
- Micro-thread parameters critically influence stress and strain values in dental implants.
- This optimized design promotes better mechanical stability and performance.
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