Donkey dental anatomy. Part 1: Gross and computed axial tomography examinations

N. Du Toit, S.A. Kempson, P.M. Dixon

Research output: Contribution to journalArticlepeer-review


Post-mortem examination of 19 donkey skulls showed that donkeys have a greater degree of anisognathia (27% width difference between upper and lower jaws) compared to horses (23%). Teeth (n = 108) were collected from 14 skulls and examined grossly and by computed axial tomography (CAT). A greater degree of peripheral enamel infolding was found in mandibular check teeth (CT) compared to maxillary CT (P <0.001). A significant increase in peripheral cementum from the apical region to the clinical crown was demonstrated in all CT (P <0.000 1). All donkey CT had at least five pulp cavities with six pulp cavities present in the 06s and I Is. A new endodontic numbering system for equid CT has been proposed. A greater occlusal depth. of secondary dentine (mm) was present in older donkeys (> 16 years) than in the younger (<15 years) donkeys studied. Based on gross and CAT examinations, donkey dental anatomy was shown to be largely similar to that described in horses. (c) 2008 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)338-344
Number of pages7
JournalVeterinary Journal
Issue number3
Publication statusPublished - Jun 2008


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