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1.
J Vet Dent ; 40(4): 284-297, 2023 Dec.
Article in English | MEDLINE | ID: mdl-37248965

ABSTRACT

Patellar fracture and dental anomaly syndrome (PADS) is a congenital bone disease of cats that is characterized by atraumatic bone fractures (most commonly the patella), the persistence of deciduous teeth, and impaction of permanent teeth. Jaw swelling due to osteomyelitis is often the reason that cats with PADS are presented for veterinary dental care. The clinical history, oral examination findings, dental radiological findings, and histopathology were evaluated for 13 cats with dental and skeletal pathology consistent with PADS, including 9 with osteomyelitis. Cats in this study were predominantly domestic shorthair (12 of 13 cats), and there was no apparent sex predilection. All cats had multiple persistent deciduous teeth and multiple impacted permanent teeth, although the number of persistent and impacted teeth varied. Osteomyelitis of the jaw typically occurred within the first 4 years of life. Osteomyelitis of the mandible was 4 times more common than osteomyelitis of the maxilla. Histologically, osteomyelitis was chronic, neutrophilic, and osteoproliferative. Necrotic bone was confirmed in 67% of osteomyelitis lesions. Histological evaluation of jaws without inflammation demonstrated abnormal amounts of unmodeled bone, abnormally dense bone, and retention of cartilage in the caudal mandible. Three cats in the study had mandibular distoclusion and 2 had concurrent paronychia. To obtain a favorable clinical outcome in PADS cats with jaw swelling, prompt and aggressive surgical treatment of osteomyelitis is required. Extraction of persistent deciduous teeth and impacted permanent teeth is recommended when there is associated periodontitis or osteomyelitis.


Subject(s)
Cat Diseases , Fractures, Bone , Osteomyelitis , Tooth, Impacted , Cats , Animals , Pathology, Oral , Fractures, Bone/pathology , Fractures, Bone/veterinary , Tooth, Impacted/veterinary , Maxilla/pathology , Osteomyelitis/veterinary , Cat Diseases/pathology
2.
J Vet Dent ; 32(1): 41-53, 2015.
Article in English | MEDLINE | ID: mdl-26197689

ABSTRACT

Of the six recognized types of tooth luxation injuries, intrusion generally carries the most guarded long-term prognosis due to the high risk of complications, including root resorption, ankylosis, marginal bone loss, and pulp canal obliteration or necrosis. The degree of traumatic intrusion and stage of root development affects the outcome and treatment planning. This report describes the clinical history, oral and radiographic examination findings, and rationale for surgical extraction in 2 dogs and 1 cat with traumatic intrusion of a maxillary canine tooth.


Subject(s)
Cats/injuries , Dogs/injuries , Incisor/injuries , Maxilla/injuries , Tooth Avulsion/veterinary , Animals , Radiography , Tooth Avulsion/diagnosis , Tooth Avulsion/diagnostic imaging , Tooth Avulsion/surgery
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