title: Anomalous development of the upper third premolar in a dog and a cat.
abstract: Two cases of anomalous development of the upper third premolar in a dog and a cat are described. The involved teeth have a bifid crown and 3 roots. The central root is abnormally wide and has 2 separate root canals. The anomalous tooth is the cause of malocclusion in the cat and of periodontitis in both cases. The difficulty in distinguishing gemination from fusion is discussed.
mesh_terms: D000818:Animals; D001641:Bicuspid / Q000002:abnormalities*; D002371:Cat Diseases; D002415:Cats; D004283:Dog Diseases; D004285:Dogs; D005671:Fused Teeth / Q000662:veterinary; D008310:Malocclusion / Q000209:etiology / Q000662:veterinary; D010518:Periodontitis / Q000209:etiology / Q000662:veterinary