Identifier: surgicaldiseases00fren (find matches)
Title: Surgical diseases and surgery of the dog
Year: 1906 (1900s)
Authors: French, Cecil, 1871-1951
Subjects: Dogs
Publisher: Washington, D.C., C. French (etc., etc.)
Contributing Library: The Library of Congress
Digitizing Sponsor: Sloan Foundation

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The Head and Neck 83 The Teeth STRUCTURE, DISPOSITION, and DEVELOPMENT. In the typical mouth there are twenty permanent teeth in theupper jaw and twenty-two in the lower. The structure of the incisors is noticeable for the arrangementof three cusps of which the central is the largest. The four innerincisors of both jaws have these well developed, but in the cornerincisors the middle cusp is very large and the lateral ones rudi-mentary or absent. The base of the crown on the inner aspect ismarked by a ledge which is extended to each cusp as a ridge orcingulum. The canines are large and firmly and deeply embedded in themaxillary bone immediately behind the maxillo-premaxillary suture.Their pulp cavity is capacious and extends almost the entire lengthof the tooth. Posterior to the canines are four teeth which were designatedby Owen as premolars, owing to deciduous or milk teeth being dis-placed by them. As a matter of fact, the first of this group, count-ing from before backward, has mor

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