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Related Concept Videos

Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...

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Breed-Specific Dental Variations in Dogs Assessing Malocclusions Using Computed Tomography (CT).

Hamza Habib1, Mumta Soothar1, Xiaoxuan Pan1

  • 1College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.

Veterinary Sciences
|May 26, 2026
PubMed
Summary
This summary is machine-generated.

Dental malocclusions affect nearly half of dogs, with brachycephalic breeds like Shiba Inus showing higher rates. Skull shape strongly influences these common dental alignment issues.

Keywords:
breed-specific dental deformitiescomputed tomography (CT)finite element analysismalocclusion in dogs

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Area of Science:

  • Veterinary Dentistry
  • Comparative Anatomy
  • Canine Health

Background:

  • Dental malocclusions are prevalent in dogs, often leading to oral trauma and periodontal disease.
  • Scientific understanding of breed-specific dental variations remains limited.
  • Underdiagnosis of malocclusions contributes to potential health complications.

Purpose of the Study:

  • To investigate breed-specific variations in canine dentition.
  • To evaluate the prevalence and types of dental malocclusions in a diverse dog population.
  • To determine the association between skull morphology and dental alignment in dogs.

Main Methods:

  • Retrospective cross-sectional analysis of 92 canine head computed tomography (CT) scans.
  • Evaluation of dental alignment and occlusal relationships using standardized malocclusion criteria.
  • Categorization of malocclusions into Class I (crowding), Class II (overbite), and Class III (underbite).

Main Results:

  • Malocclusions were identified in 46.7% of the studied dogs.
  • Brachycephalic breeds exhibited a high prevalence of malocclusion, with Shiba Inus showing the highest rate (66.7%).
  • Class I malocclusions (crowding) were most common (44.19%), followed by Class II (30.23%) and Class III (20.93%).

Conclusions:

  • A significant association exists between canine skull morphology and dental alignment abnormalities.
  • Breed-specific variations in dentition are evident, particularly in brachycephalic breeds.
  • Findings highlight the importance of recognizing and addressing malocclusions in veterinary practice.