Periodontal disease in dogs

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Abstract
The object of this investigation was to evaluate the prevalence and etiology of periodontal discase in dogs. The material comprised 62 dogs with an age range from three months to twelve years. Periodontal disease was registered by means of Russell's Periodontal Index and debris and calculus by Greene and Vermillion's Oral Hygiene Index. The following results were obtained: 1. Periodontal disease, debris and calculus were found in 97 % of dogs and showed a statistically significant increase with age. 2. Both calculus and deposits of debris on the teeth had a statistically significant, independent effect on the severity of periodontal disease. 3. Periodontal destruction occurs approximately five times faster in dogs than in humans. However, this may be explained by the greater amounts of deposits on the teeth of dogs.