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Stress influence on orthodontic system components under simulated treatment loadings
Ali Benaissa1, Ali Merdji2, Mohamed Z Bendjaballah3
1Laboratory LSTE, Faculty of Science and Technology, University of Mascara, Mascara 29000, Algeria.
Computer Methods and Programs in Biomedicine
|June 8, 2020
Summary
This study simulated orthodontic forces to analyze stress on mini-implants and teeth. Findings highlight critical stress points, aiding in reducing implant failure and bracket detachment during orthodontic treatment.
Area of Science:
- Orthodontic biomechanics
- Finite element analysis
- Dental implantology
Background:
- Mini-implants are crucial for orthodontic anchorage.
- Understanding stress distribution is vital for treatment success.
Purpose of the Study:
- To analyze stress distribution from orthodontic forces.
- To investigate stress on mini-implants, bone, and bracket-enamel interfaces.
Main Methods:
- 3D computer models of mini-implants, teeth, and bone were created.
- Finite element analysis (FEA) simulated orthodontic forces.
- Material properties and boundary conditions were applied.
Main Results:
- Highest stress concentrated at the mini-implant neck and cortical bone interface.
- Significant stress observed at the enamel-bracket junction (up to 186.05 MPa).
- Periodontal ligaments act as crucial stress-absorbing elements.
Conclusions:
- Identified key stress points in the orthodontic system.
- Aims to minimize mini-implant failure and bracket loss.
- Emphasizes careful selection of bonding materials for bracket integrity.
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