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Home / Equine Research Bank / BMC Vet Res / Comparison of computed tomography and high-field (3.0 T...
BMC veterinary research2017; 13(1); 280; doi: 10.1186/s12917-017-1200-7

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.

Abstract: Modern imaging techniques such as computed tomography (CT) and magnetic resonance imaging (MRI) have the advantage of producing images without superimposition. Whilst CT is a well-established technique for dental diagnostics, MRI examinations are rarely used for the evaluation of dental diseases in horses. Regarding equine endodontic therapies which are increasingly implemented, MRI could help to portray changes of the periodontal ligament and display gross pulpar anatomy. Knowledge of age-related changes is essential for diagnosis, as cheek teeth and surrounding structures alter with increasing age. The aim of the present study was to highlight the advantages of CT and MRI regarding age-related changes in selected equine cheek teeth and their adjacent structures. Results: The CT and MRI appearances of the maxillary 08 s and 09 s and adjacent structures were described by evaluation of post-mortem examinations of nine horses of different ages (Group A: <6 years, B: 6-15 years, C: ≥16 years). Most of the tissues selected were imaged accurately with MRI and CT. Magnetic resonance imaging gives an excellent depiction of soft endo- and periodontal units, and CT of hard dental and bony tissues. Negative correlation between dental age and pulpar sizes was found: 71.3% of the changes in pulp dimensions can be explained by teeth aging. Pulpar sizes ranged from 14.3 to 1.3 mm and were significantly smaller in older horses (p < 0.05). A common pulp chamber was present in 33% of the teeth with a mean dental age of 2.25 years. Ninety-four percent of the 08 and 09 alveoli of all groups were in direct contact with the maxillary sinus. An age-related regression was found (R = 0.88) for the distance between alveoli and the infraorbital canal. Conclusions: The present study provides information about the dental and periodontal age-related morphology and its visibility using different imaging techniques. These results aid in evaluating diagnostic images and in deciding which is the superior imaging modality for clinical cases.
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Publication Date: 2017-09-06 PubMed ID: 28874149PubMed Central: PMC5585999DOI: 10.1186/s12917-017-1200-7Google Scholar: Lookup
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  • Comparative Study
  • Evaluation Study
  • Journal Article

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research article investigates how age-related changes in horse teeth and surrounding structures can be accurately imaged using computed tomography and magnetic resonance imaging. The study concludes that these advanced imaging technologies can provide important information for diagnosis, particularly in relation to dental diseases.

Objectives and Procedures of the Research

  • The main objective of this study was to identify the advantages of computed tomography (CT) and magnetic resonance imaging (MRI) for observing age-related changes in selected equine cheek teeth and associated tissues.
  • To achieve this, post-mortem examinations were carried out on nine horses of various ages, for the imaging purposes. The horses were sorted into three groups (Group A being less than 6 years old, Group B being from 6-15 years old, and Group C being 16 years or older).
  • Particular attention was given to images of the maxillary 08s and 09s teeth and the tissues adjacent to them.

Findings of the Research

  • Results indicated that both MRI and CT could accurately image most of the selected tissues. MRI performed exceptionally well in imaging soft endo- and periodontal sections, while CT was more effective in capturing hard dental and bone tissues.
  • One key finding was a negative correlation between dental age and pulpar sizes with 71.3% of the changes in pulp dimensions being attributable to teeth aging. Specifically, the pulpar sizes ranged from 14.3 to 1.3 mm and were significantly smaller in older horses.
  • The research also documented that a common pulp chamber was present in 33% of the teeth examined, with an average dental age of 2.25 years.
  • In all groups, 94% of the 08 and 09 alveoli were in direct contact with the maxillary sinus. Also, the distance between alveoli and the infraorbital canal showed an age-related regression (R = 0.88), which also has potential implications for diagnostics and therapeutics.

Conclusions

  • The study concludes that CT and MRI provide valuable information about dental and periodontal age-related morphology. This information is highly useful in interpreting diagnostic images and deciding the preferable imaging mode for clinical cases.
  • From the perspective of equine oral health and related therapies, the findings of this research add a new dimension to our understanding of how dental anatomies change with age and the implications of these changes.

Cite This Article

APA
Schoppe C, Hellige M, Rohn K, Ohnesorge B, Bienert-Zeit A. (2017). 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, 13(1), 280. https://doi.org/10.1186/s12917-017-1200-7

Publication

BMC veterinary research
ISSN: 1746-6148
NlmUniqueID: 101249759
Country: England
Language: English
Volume: 13
Issue: 1
Pages: 280
PII: 280

Researcher Affiliations

Schoppe, Christin
  • Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Buenteweg 9, 30559, Hannover, Germany. Christin.Schoppe@tiho-hannover.de.
Hellige, Maren
  • Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Buenteweg 9, 30559, Hannover, Germany.
Rohn, Karl
  • Institute for Veterinary Biometry and Epidemiology, University of Veterinary Medicine Hannover, Foundation, Buenteweg 2, 30559, Hannover, Germany.
Ohnesorge, Bernhard
  • Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Buenteweg 9, 30559, Hannover, Germany.
Bienert-Zeit, Astrid
  • Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Buenteweg 9, 30559, Hannover, Germany.

MeSH Terms

  • Aging
  • Animals
  • Cheek / diagnostic imaging
  • Dental Pulp / diagnostic imaging
  • Horses / anatomy & histology
  • Magnetic Resonance Imaging / veterinary
  • Maxilla / diagnostic imaging
  • Tomography, X-Ray Computed / veterinary
  • Tooth / diagnostic imaging

Conflict of Interest Statement

ETHICS APPROVAL: Studies were approved by the Lower Saxony State Office for Consumer Protection and Food Safety (File reference 33.12–42,502.04.14/1644). The horses were clinic-owned (TiHo Hannover, Clinic for horses, Germany). COMPETING INTERESTS: None of the authors have any personal or financial relationships which could inappropriately influence or bias the content of this paper. PUBLISHER’S NOTE: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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Citations

This article has been cited 4 times.
  1. Roßgardt J, Heilen LB, Büttner K, Dern-Wieloch J, Vogelsberg J, Staszyk C. The Equine Dental Pulp: Histomorphometric Analysis of the Equine Dental Pulp in Incisors and Cheek Teeth. Vet Sci 2022 May 30;9(6).
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  2. Röttiger C, Hellige M, Ohnesorge B, Bienert-Zeit A. Magnetic resonance imaging and computed tomography of equine cheek teeth and adjacent structures: comparative study of image quality in horses in vivo, post-mortem and frozen-thawed. Acta Vet Scand 2019 Dec 10;61(1):62.
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