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Home / Equine Research Bank / Equine Vet J / A long-term study of equine cheek teeth post-extraction comp...
Equine veterinary journal2020; 52(6); 811-822; doi: 10.1111/evj.13255

A long-term study of equine cheek teeth post-extraction complications: 428 cheek teeth (2004-2018).

Abstract: Complications, especially delayed alveolar healing, are common following equine cheek teeth extraction, however, limited objective information is available on the prevalence and nature of these problems. Objective: To document the type and prevalence of complications that occur following equine cheek tooth extraction and to identify possible risk factors for these complications that could be used to predict their occurrence and hopefully reduce their prevalence. Methods: Retrospective cohort study. Methods: Clinical records of all cheek teeth extractions performed between February 2004 and September 2018 were examined and written questionnaires sent to owners. Details of post-extraction complications were analysed and logistic regression was used to evaluate potential associations between the likelihood of post-extraction nonhealing alveolus managed by the authors and the variables: age, breed, reason for extraction, Triadan position and extraction technique. Results: Post-extraction complications were recorded following 58/428 extractions giving an overall complication rate of 13.6%, that caused a longer term clinical problem in 34/428 (7.9%) cases, with complications being asymptomatic or quickly self-resolving in the other 24 cases (5.6%). The most frequent complication was alveolar bone sequestration, including alveolar infection. Risk of developing a post-extraction alveolar disorder managed by the authors (n = 53) increased following extraction of the mandibular 06s, 07s or 08s compared with all other cheek teeth combined (P = .001); for cheek teeth with apical infections (P = .002) compared with those without; and following repulsion or minimally invasive transbuccal extraction (MTE) than following oral extraction (P = .01 and P = .02 respectively). Conclusions: Length of time between exodontia and survey data collection for some cases, use of clinical records and survey data and biases associated with decision to treat. Conclusions: In agreement with previous studies, oral extraction had the lowest risk of complications. This study provides new information regarding the prevalence, types and risk of development of post extraction complications. Knowledge of these risk factors may help reduce these complications.
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Publication Date: 2020-04-09 PubMed ID: 32144822DOI: 10.1111/evj.13255Google Scholar: Lookup
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Summary

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This research attempts to understand the prevalence and types of post-extraction complications in equine cheek tooth extraction, and identify potential risk factors which could predict them. The findings show that complications were found in approximately 13.6% cases, with the most common problem being alveolar bone sequestration. Certain extraction techniques and conditions increased the risk of complications.

Methodology

  • The study is a retrospective cohort study and the data was gathered from clinical records of all cheek teeth extractions performed between February 2004 and September 2018.
  • Owners of the animals were also sent written questionnaires to collect more data.
  • The study analysed details of post-extraction complications and applied logistic regression to evaluate possible associations between post-extraction non-healing alveolus managed by the authors, and variables like age, breed, reason for extraction, Triadan position and extraction technique.

Results

  • Post-extraction complications were registered for 58 out of the 428 extractions that were carried out.
  • This gave an overall complication rate of 13.6%, causing a longer-term problem in 34 out of 428 cases, which is about 7.9% of the cases.
  • Other complications that were either asymptomatic or quickly self-resolving constituted 5.6% of the cases.
  • The most frequently observed complication was alveolar bone sequestration, which includes alveolar infection.
  • The risk of developing a post-extraction alveolar disorder was found to increase after the extraction of the mandibular 06s, 07s, or 08s when compared with all other cheek teeth combined.
  • The risk also increased for cheek teeth with apical infections compared to those without, and following repulsion or minimally invasive trans-buccal extraction (MTE) than after oral extraction.

Conclusions

  • Drawbacks of the study included the length of time between the exodontia and the data collection period for some cases, use of clinical records, survey data, and biases related to the decision to treat.
  • The study agreed with previous research showing that oral extraction had the lowest risk of complications.
  • The study fills in the gaps in knowledge, providing new information about the frequency, types, and risk of developing post-extraction complications.
  • Such knowledge about risk factors could aid in reducing these cases of complications.

Cite This Article

APA
Kennedy R, Reardon RJM, James O, Wilson C, Dixon PM. (2020). A long-term study of equine cheek teeth post-extraction complications: 428 cheek teeth (2004-2018). Equine Vet J, 52(6), 811-822. https://doi.org/10.1111/evj.13255

Publication

Equine veterinary journal
ISSN: 2042-3306
NlmUniqueID: 0173320
Country: United States
Language: English
Volume: 52
Issue: 6
Pages: 811-822

Researcher Affiliations

Kennedy, Rebekah
  • Division of Veterinary Clinical Studies, Royal (Dick) School of Veterinary Studies and Roslin Institute, The University of Edinburgh, Midlothian, UK.
Reardon, Richard J M
  • Division of Veterinary Clinical Studies, Royal (Dick) School of Veterinary Studies and Roslin Institute, The University of Edinburgh, Midlothian, UK.
James, Oliver
  • Division of Veterinary Clinical Studies, Royal (Dick) School of Veterinary Studies and Roslin Institute, The University of Edinburgh, Midlothian, UK.
Wilson, Cherith
  • Division of Veterinary Clinical Studies, Royal (Dick) School of Veterinary Studies and Roslin Institute, The University of Edinburgh, Midlothian, UK.
Dixon, Padraic M
  • Division of Veterinary Clinical Studies, Royal (Dick) School of Veterinary Studies and Roslin Institute, The University of Edinburgh, Midlothian, UK.

MeSH Terms

  • Animals
  • Cheek
  • Equidae
  • Horse Diseases / etiology
  • Horses
  • Retrospective Studies
  • Tooth

References

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