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Dental imaging

R T O'Brien1, D S Biller

  • 1Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, USA.

The Veterinary Clinics of North America. Equine Practice
|September 22, 1998
PubMed
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Equine dental imaging relies on radiography, but advanced techniques like CT and ultrasonography offer superior detail for complex bone and soft tissue issues. These methods improve diagnosis of subtle or advanced dental disease in horses.

Area of Science:

  • Veterinary Radiology
  • Equine Dentistry
  • Diagnostic Imaging

Background:

  • Radiography is the standard initial imaging modality for equine dental disease due to accessibility and ability to detect bone and tooth changes.
  • Limitations of radiography include superimposition and difficulty in characterizing soft tissue or subtle bone lesions.
  • Emerging and advanced imaging techniques offer complementary diagnostic capabilities.

Purpose of the Study:

  • To review and compare the utility of various diagnostic imaging modalities in equine dental evaluation.
  • To highlight the advantages of advanced imaging techniques over conventional radiography for specific equine dental conditions.

Main Methods:

  • Review of current literature on equine dental imaging.
  • Comparison of radiography, contrast radiography, computed tomography (CT), nuclear medicine, and ultrasonography.

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  • Emphasis on the diagnostic strengths of each modality for different dental pathologies.

    • Main Results:

    • Radiography is effective for initial assessment but has limitations.
    • Contrast radiography aids in characterizing draining tracts.
    • CT provides superior bone detail and avoids superimposition, enhancing diagnosis of dental arcade lesions.
    • Nuclear medicine can identify bone involvement in vague cases.
    • Ultrasonography excels at soft tissue evaluation and characterizing bone lysis, fractures, and abscesses.

    Conclusions:

    • While radiography remains the first choice, advanced imaging modalities like CT and ultrasonography are crucial for comprehensive equine dental diagnosis.
    • CT offers significant advantages over plain radiography for evaluating bone and tooth structures.
    • Ultrasonography is invaluable for soft tissue assessment and characterizing complications of dental disease.