Epidemiological study on periodontal diseases and some other dental disorders in dogs.

H. Isogai, E. Isogai, H. Okamoto, H. Shirakawa, F. Nakamura, T. Matsumoto, T. Watanabe, H. Miura, Y. Aoi, W. Kagota

    Research output: Contribution to journalArticlepeer-review

    24 Citations (Scopus)


    The prevalence of dental disorders in dogs was studied by applying index systems for human with some modifications. A total of 251 mongrel dogs including 143 stray dogs kept in the Animal Protection Offices in Tokyo and Hokkaido and 108 pet dogs visiting veterinary clinicians in Chiba Prefecture and Hokkaido were used. Periodontitis was prevalent among these dogs regardless of their sources and its incidence was increased with age. The lesion was more severe and more frequent in the premolar and molar regions than in the maxillary and mandibular incisor regions. Missing of teeth was observed at a high and increasing incidence with age. The tooth most commonly lost was the first premolar, followed by the other premolars and molars, where severe periodontitis was frequently found. Calculus was seen on many teeth, and aging agravated its prevalence and severity. Dental caries was observed in stray dogs, but neither to a serious degree nor at a significant level. These findings emphasize the necessity of dental hygiene, proper dental care and continuous periodical survey for dogs.

    Original languageEnglish
    Pages (from-to)1151-1162
    Number of pages12
    JournalNippon juigaku zasshi. The Japanese journal of veterinary science
    Issue number6
    Publication statusPublished - 1989 Dec

    ASJC Scopus subject areas

    • Medicine(all)


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