Page 771 - Equine Clinical Medicine, Surgery and Reproduction, 2nd Edition

746 CHAPTER 4

VetBooks.ir 4.51 4.52

Fig. 4.51 After exposure of an affected pulp using a Fig. 4.52 Oroscopic view of a maxillary premolar
high-speed burr, the necrotic pulp is debrided using after endodontic restoration involving cavity
dental files. preparation, disinfection, obturation and occlusal
restoration using dental composites (arrow).

4.53 4.54

Fig. 4.53 Diseased teeth can be extracted orally Fig. 4.54 The tooth is extracted along its eruption
with the horse sedated and using local analgesia pathway with minimal damage to the alveolus.
techniques.

Aetiology/pathogenesis
In the horse caries occurs in the infundibula of inci- and the presence of a biofilm (plaque) appears to
sors and maxillary teeth and peripherally on the have a less prominent role than in brachydont teeth.
buccal cementum. These sites are prone to chronic Variations in morphology of the infundibula, and
contact with impacted food and diet may affect the the presence of concurrent dysmastication or peri-
pH in the local environment. The epidemiology of odontitis, are probable risk factors along with feed-
equine cariogenic bacteria is not well understood ing lower pH foods.