Treatment of equine oro-nasal and oro-maxillary fistulae

Paddy Dixon

Research output: Contribution to journalArticlepeer-review


Equine oro-nasal or oro-sinus fistulae are usually very problematic disorders to treat. As these lesions are mainly a sequel to standard dental repulsions, it is obvious that safer exodontia techniques such as oral extraction should now be used. The initial treatment of such fistulae is to ensure there is a healthy granulating alveolus, without any dental or alveolar sequestrae and that all epithelium lining the fistula is removed. Provided there is a tooth either side of the fistula, the initial and usually successful treatment is the use of an acrylic alveolar plug attached to adequately prepared adjacent teeth. Reinforcing such prostheses with wire tied between adjacent teeth will stabilise such prostheses. For fistulae that extend far onto the hard palate or those at the Triadan 06 or 11 alveolar sites that cannot be treated by acrylic prostheses, a variety of surgical treatments including; mucoperiosteal sliding flap, transposition of facial muscles, maxillary bone flap, or an ear cartilage graft are all potential therapies, but no large, objective long-term reports on their success are available.
Original languageEnglish
JournalEquine Veterinary Education
Publication statusPublished - 7 Jun 2019


  • horse
  • oro-sinus fistula
  • oro-nasal fistula
  • equine sinusitis
  • oral surgery


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