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Vet J. 2008 Dec;178(3):411-8. doi: 10.1016/j.tvjl.2008.09.016. Epub 2008 Nov 6.

A long-term study of apicoectomy and endodontic treatment of apically infected cheek teeth in 12 horses.

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Clinic for Large Animal Surgery and Orthopaedics, Department IV, University for Veterinary Medicine, Veterinaerplatz 1, A-1210 Wien, Austria.


The aim of this study was to evaluate the long-term results of apicoectomy and retrograde endodontic treatment in 12 horses with apical cheek teeth infections. The affected apices were removed using a diamond bur mounted on a dental drill, and after pulp removal the root canals were filed with Hedstrøm files and then alternately flushed with sodium hypochlorite, hydrogen peroxide and alcohol. The pulp canals were dried and filled with endodontic cement and gutta-percha points. An undercut was made in the apical aspect of the root canals that were then sealed with self-curing glass ionomer cement. Follow up information was obtained 38-67 months following treatment and indicated that the treatment had been successful in 7/12 horses (58%), partially successful in 2 horses (17%) and unsuccessful in 3 (25%). With good case selection, apicoectomy can preserve a proportion of apically infected cheek teeth. The use of advanced imaging techniques and improved surgical techniques could increase the success rate.

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