Evaluation of the effects of performance dentistry on equine rideability: a randomized, blinded, controlled trial

Objective: This study attempted to determine: (1) if degree of dental malocclusion assigned prior to dental treatment was associated with equine rideability, assessed using a standardized score and (2) if performance dentistry improved this score. Animals: Thirty-eight Franches-Montagnes stallions. Methods: All horses were examined and assigned a dental malocclusion score by a veterinary dentist and randomized into two groups: sham treatment (Group S) and performance dentistry including occlusal equilibration (Group D). The horses were ridden twice before and three times after treatment by a professional dressage rider (unaware of treatment allocation). The horses were assigned a rideability score using a 27-point scale. The malocclusion score was compared to the average of the first two rideability scores using Spearman's coefficient of rank. Change in rideability scores over time was assessed by repeated measures ANOVA. Statistical significance was set at P < 0.05. Results: There was no correlation between dental score and rideability score prior to treatment (rs = 0.06, P = 0.73). In addition, there were no differences in the rideability score between treatment groups or as an interaction of treatment group and time (P = 0.93, P = 0.83, respectively). Conclusions: In conclusion, we were unable to show that performance dentistry improved equine rideability assessed by rider scoring. The addition of more objective measurement tools and a longer assessment period may help to scientifically prove what is anecdotally believed.

Abstract licence: CC BY-NC

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