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Dimensions of 65 Extracted Equine First Premolar Teeth
Sam Luis Hole1, Jane Marie Manfredi2, Hilary Mary Clayton3,4
11 Pool House Equine Clinic, Crown Inn Farm, Lichfield, UK.
Journal of Veterinary Dentistry
|March 23, 2017
Summary
Equine wolf teeth (first premolars) dimensions vary significantly. Root length often exceeds crown height, and crown dimensions are poor predictors of root length in these frequently extracted equine teeth.
Area of Science:
- Veterinary Dentistry
- Equine Anatomy
Background:
- Equine first premolars, or "wolf teeth" (Triadan number 05), are commonly extracted.
- Limited published data exists on the dimensions of these extracted teeth, despite observed size variations.
Purpose of the Study:
- To quantify the dimensions of extracted equine wolf teeth.
- To investigate the correlation between crown and root dimensions in these teeth.
Main Methods:
- Sixty-five extracted equine wolf teeth were analyzed.
- Measurements included total length, root length, crown height, and crown width.
Main Results:
- Median dimensions (range, mm) were: total length 21 (12-34), root length 13.2 (0-19.6), crown height 7 (2-20), and crown width 7 (2.6-16).
- Root length exceeded crown height in 61 out of 65 teeth.
- Crown dimensions showed poor correlation with root length, while total length had a fair correlation with crown width.
Conclusions:
- The dimensions of the clinical crown are not reliable indicators of root length in equine wolf teeth.
- The root is typically longer than the crown in extracted wolf teeth.
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