Dental Resorption without Hypercementosis in Horses: Case Reports and Discussion

Over the course of 17 months, a horse with poor body condition, periodontal infection, and pain around the mandibular incisors with only fragments of teeth was investigated and radiographed before and after surgery.

Another horse with a mandibular fracture and shattered teeth was monitored for 9 years with yearly radiographs to see if sections of the roots were resorbing. The horse experienced no clinical issues as a result of the mandibular and tooth fractures.

The goal of this study was to demonstrate that tooth resorption in horses is not always caused by hypercementosis, and that clinical signs are frequently caused by infection surrounding the teeth. Clinical signs are always present when a root is fractured. The rate of resorption appears to be influenced by the state of the periodontal membrane. The resorption process is prolonged if the membrane remains intact (several years). If the membrane is destroyed, resorption occurs quickly (about a year). If there is an infection, the process will be even faster.

Author(S) Details

Jens Arnbjerg
University of Copenhagen, SUND, Denmark and University Hospital for Companion Animals, Faculty of Health and Medical Sciences, Dyrlaegevej 32, 1870 Frederiksberg C, Denmark.

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