ArticleBiomedicines2024
The Role of Bone and Root Resorption on the Biomechanical Behavior of Mandibular Anterior Teeth Subjected to Orthodontic Forces: A Finite Element Approach.
Article in Biomedicines, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Cytokines as Key Drivers of Pathological Root Resorption: Integrating Molecular Mechanisms, Genetic Determinants, and Biomarker-Based Insights.Biomedicines · 2026Review
- The Impact of the Orthodontic Forces on the Internal Resorptive Process for Intact Periodontium: A Finite Element Analysis.Journal of clinical medicine · 2026Article
- Orthodontically Induced External Root Resorption: A Finite Element Analysis.Journal of clinical medicine · 2026Article
- A Comparison of Evaluation of Displacement of Maxillary Anterior and Posterior Teeth in All Three Planes Using T-Loop Fabricated From Stainless Steel Wire - A Fem Study.Journal of pharmacy & bioallied sciences · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
aimsThis study was conducted to systematically evaluate the biomechanical impact of varying degrees of root and bone resorption resulting from periodontitis and orthodontic tooth movement (OTM) on the mandibular anterior teeth. The objective was to determine whether these distinct resorption patterns exert a specific influence on tooth displacement and strain patterns.
methodsA finite element (FE) model of an idealized anterior mandible from the first premolar in the third to the fourth quadrant was developed without bone or root resorption and a constant periodontal ligament (PDL) thickness of 0.2 mm. Variations included three root resorption levels (0%, 20%, 50%) and three bone resorption types (circular 50%, circular 80%, vestibular 80%). Models ranged from 200,000 to 440,000 elements and 55,000 to 130,000 nodes. Orthodontic forces, namely root torque (5 Nmm), intrusion (0.2 N), and distalization (0.5 N) were applied for subsequent crown displacement and PDL strain analysis.
resultsA total of 180 simulations were performed. Simulations showed that displacement was similar across different bone resorption conditions, irrespective of modeled root resorptions. Circumferential bone resorption increased tooth displacement, regardless of root resorption status. Vestibular bone resorption exhibited less increase in tooth displacement. However, when accompanied by root resorption, the combination exacerbated tooth displacement. Strains in the PDL clearly increased with a circumferential bone resorption of 80%.
conclusionsThis study highlights the critical role of bone resorption in tooth displacement during OTM, particularly the challenges associated with circumferential resorption. Clinicians must consider both bone and root resorption for personalized medicine treatment of patients with severe periodontitis, in favor of low-force application strategies to optimize outcomes and minimize complications linked to excessive tooth displacement.
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