Elif Dogan , Zafer Okumus , Latif Emrah Yanmaz , Periodontal Diseases in Pet Animals, Veterinary Research, Volume 1,Issue 1, 2007, Pages 17-22, ISSN 1993-5412, vr.2007.17.22, (https://makhillpublications.co/view-article.php?doi=vr.2007.17.22) Abstract: Periodontal disease is an inflammation of periodontal tissues that include gingiva, cementum, alveolar bone and periodontal ligament. They occur mostly in dogs and cats mainly due to a lack of oral hygiene. Therefore, care must be taken to minimize occurrence of these problems. Since periodontal diseases can occur as a complex in 4 stages, clinical symptoms should be carefully evaluated for effective treatment. This review study provides extensive information on etiology, epidemiology, treatment and prognosis of periodontal diseases in pet animals. Keywords: Periodontal disease;veterinary medicine;pet animals