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A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
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Resorptive potential of impacted mandibular third molars: 3D simulation by finite element analysis
Anne Caroline Oenning1, Alexandre Rodrigues Freire2, Ana Cláudia Rossi2
1Department of Oral Diagnosis, Division of Oral Radiology, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil. anne.oenning@gmail.com.
Clinical Oral Investigations
|March 12, 2018
Summary
Impacted third molars can cause resorption in adjacent second molars due to pressure. Finite element analysis showed that impacted teeth generate stress and deformation, suggesting mechanical factors contribute to resorption lesions.
Area of Science:
- Biomechanical analysis of dental structures.
- Finite element analysis in orthodontics.
- Oral and maxillofacial surgery.
Background:
- Previous research suggests a link between third molar eruption and second molar resorption.
- Understanding the biomechanical forces involved is crucial for preventing dental damage.
Purpose of the Study:
- To simulate functional forces on a mandible model using finite element analysis.
- To assess the biomechanical response of second molars to impacted third molars.
Main Methods:
- Cone beam computed tomography and reverse engineering were used to create a 3D mandible model.
- Simulated bite forces were applied to evaluate stress, strain, and deformation.
- Various inclinations of the impacted third molar were analyzed.
Main Results:
- High stress and compression were observed on the second molar root, regardless of third molar inclination.
- Horizontal impaction resulted in the greatest stress and deformation in both molars.
- Areas of high energy dissipation and compression stress were detected.
Conclusions:
- Impacted third molars generate concentrated compression at the contact site with adjacent teeth.
- Mechanical factors likely play a role in initiating and progressing resorption lesions in second molars.
- These findings enhance understanding of resorptive lesion development.
Keywords:
Computer simulationCone beam computed tomographyFinite element analysisImpacted teethOral and maxillofacial surgeryRoot resorptionMore Related Videos
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