Finite element analysis in 3-D models of equine cheek teeth.
Abstract: Periodontal diseases occur frequently in equine dentistry and excessive strain in biological tissues is assumed to be a predisposing factor in their development. Finite element (FE) analysis enables strains and stresses occurring in the periodontium to be calculated and is a useful tool for testing this hypothesis. The current study aimed to establish reliable 3-D models from equine maxillary and mandibular cheek teeth for use in FE simulations, with particular attention to the detailed construction of the periodontal ligament (PDL). Age-related morphological aspects of the teeth and the periodontium were also considered by constructing different models for three defined age groups. Finally, the biomechanical behaviour of the equine PDL was examined during experimental tooth intrusion (i.e. axial displacement of the tooth into its alveolar socket). The results showed an increase in intrusion with increasing age due to age-related changes in the periodontal elastic properties. The general stress level in PDL and surrounding bone also increased with age. Reliable FE models were established to calculate aetiologically relevant biomechanical effects occurring in the equine periodontium.
Copyright © 2012 Elsevier Ltd. All rights reserved.
Publication Date: 2012-03-30 PubMed ID: 22464401DOI: 10.1016/j.tvjl.2012.02.013Google Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
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The research article is about the creation of 3-D models of horse cheek teeth to study periodontal diseases and how these conditions may be related to strains in the tissues. The study specifically examines the behaviour of the periodontal ligament during tooth intrusion and how this changes with age.
Objective of the Study
- The primary objective of this research was to create reliable 3-D models of equine maxillary and mandibular cheek teeth. These models would be useful in finite element (FE) simulations, particularly in examining the construction of the periodontal ligament (PDL).
- Another goal was to consider age-related changes in the teeth and periodontium. To achieve this, models for three different age groups were created.
- The study also aimed to examine the biomechanical behaviour of the PDL during experimental tooth intrusion – a process where the tooth is displaced into its alveolar socket.
Methodology
- The study was conducted using finite element (FE) analysis. A branch of mathematics known as finite element methods (FEM) is used to solve complex structural engineering problems. In the context of this study, FEM was used to calculate the strains and stresses on the periodontium.
- Detailed 3-D models of equine maxillary and mandibular cheek teeth were established for FE simulations. These models were created for three distinct age groups to examine age-related morphological changes in teeth and periodontium.
- Tooth intrusion was also experimented upon, to study the biomechanical behaviour of the PDL during this process.
Findings
- The study found that tooth intrusion increased with age due to changes in the elastic properties of the periodontium.
- The general stress level in the PDL and surrounding bone was also found to increase with age.
- The results confirmed that the 3-D FE models were successful in calculating biomechanical effects occurring in the equine periodontium, which are relevant to understanding the development of periodontal diseases.
Cite This Article
APA
Cordes V, Gardemin M, Lüpke M, Seifert H, Borchers L, Staszyk C.
(2012).
Finite element analysis in 3-D models of equine cheek teeth.
Vet J, 193(2), 391-396.
https://doi.org/10.1016/j.tvjl.2012.02.013 Publication
Researcher Affiliations
- Institute of Anatomy, University of Veterinary Medicine Hannover, Bischofsholer Damm 15, D-30173 Hannover, Germany. Vanessa.Cordes@tiho-hannover.de
MeSH Terms
- Age Factors
- Animals
- Bicuspid / physiology
- Bicuspid / physiopathology
- Biomechanical Phenomena
- Computer Simulation
- Finite Element Analysis
- Horse Diseases / etiology
- Horses
- Mastication
- Molar / physiology
- Molar / physiopathology
- Periodontal Diseases / etiology
- Periodontal Diseases / veterinary
- Periodontal Ligament / diagnostic imaging
- Periodontal Ligament / physiology
- Periodontal Ligament / physiopathology
- Radiography
- Risk Factors
Citations
This article has been cited 2 times.- Schoppe C, Hellige M, Rohn K, Ohnesorge B, Bienert-Zeit A. Comparison of computed tomography and high-field (3.0 T) magnetic resonance imaging of age-related variances in selected equine maxillary cheek teeth and adjacent tissues.. BMC Vet Res 2017 Sep 6;13(1):280.
- Cordes V, Lüpke M, Gardemin M, Seifert H, Staszyk C. Periodontal biomechanics: finite element simulations of closing stroke and power stroke in equine cheek teeth.. BMC Vet Res 2012 Jul 11;8:60.
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