Saturday, December 12, 2009

Infected teeth & Infected sinuses

We've seen it often enough here.  Discharge out of one nostril.  Treatment with antibiotics helps, but the infection returns in a week or two.  Hello, Dentist?

According to the abstract of this paper on  Sinus Surgery in the Horse, "the most common cause of sinus infection is extension of infection from a diseased tooth or as an aftermath to tooth repulsion." 

Long story very short........if your horse has a persistent or recurring nasal discharge, think "teeth."  To see just how little barrier there is between tooth root and sinus, visit  and click on the fourth photo from the top.  Its easy to see how an infection in a tooth root can move into the sinus right next to it.

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