Disorders of the oral cavity

image of Disorders of the oral cavity
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Oral disease is a common problem of dogs and cats of all ages. An oral examination is a very important part of every physical examination. Some abnormality of the oral cavity is usually found when a dog or cat’s mouth is examined. Clinical signs of oral disease vary depending on the underlying problem. A problem in the oral cavity should be suspected and ruled out for any dog or cat showing evidence of oral pain, difficulty eating, interest in food but reluctance to eat, excessive salivation, facial swellings or draining fistulas, halitosis or bleeding from the oral cavity. This chapter informs on Peridontal disease and Disorders of the oral cavity.

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17.1 Anatomy of the healthy periodontium. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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17.3 Gingival recession in a dog with periodontitis.
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17.4 (a) Oronasal fistula (arrowed) secondary to severe periodontal disease and loss of the canine tooth. (b) Food and debris (arrowed) impacted in an oronasal fistula.
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17.5 (a) Trauma from another dog resulting in a fractured mandible in a Yorkshire Terrier with severe periodontal disease. (b) Radiograph of patient in (a) showing a fracture in the mandible rostral to the caurassial tooth.
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17.6 (a) Cat with stomatitis and faucitis. (b) Severe inflammation and bleeding in a cat with stomatitis.
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17.7 Resorptive lesion resulting in loss of tooth crown.
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17.8 (a) Hyperplastic gingival tissue covering a resorptive lesion. (b) Retraction of the gingiva reveals an underlying resorptive lesion.
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17.9 (a) Inflammation associated with suspected retained roots in the mandible of a cat. (b) Radiograph of the mandible of the cat in (a) demonstrating retained roots.
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17.10 (a) Fractured tooth with pulp exposure and abscess of endodontic origin. (b) Fractured upper fourth premolar with pulp exposure.
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17.11 Congenital microglossia in an adult dog. (Courtesy of Gregg A. DuPont)
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