2021 Volume 74 Issue 12 Pages 810-817
Miniature dachshunds (MD) are a dog breed that commonly exhibits oronasal fistulas, but the pattern of the progress oronasal fistulas is yet unknown. In this retrospective study, targeting at the cases that were identified as a 4 mm periodontal pocket and oronasal fistula in maxillary canine teeth during dental procedures, we compared the dental radiography of MD and other breeds. The comparison of lateral images of canine teeth with the same periodontal pocket depth, MD had less mesial and distal alveolar bone resorption of their canine teeth than other breeds. It suggests that evolution of bone resorption to rostral-caudal direction is less common in MD than other breeds. Palatal alveolar bone resorption is characterized by the disappearance of white lines in dental radiography images. The white lines of MD tended to be clear compared with other breeds. This suggests that the extent of bone resorption to the palatal direction is lower in MD compared with other breeds. In conclusion, a characteristic of periodontal disease affecting the maxillary canine teeth of MD is that progress in the vertical direction on the palatal side is more severe than in the horizontal direction.
