File:Veterinary notes for horse owners - a manual of horse medicine and surgery (1903) (14759183896).jpg

Identifier: veterinarynotesf00haye (find matches)
Title: Veterinary notes for horse owners : a manual of horse medicine and surgery
Year: 1903 (1900s)
Authors: Hayes, M. Horace (Matthew Horace), 1842-1904
Subjects: Horses Horses -- Diseases Horses -- Diseases
Publisher: London, England : Hurst and Blackett, Ltd.
Contributing Library: Webster Family Library of Veterinary Medicine
Digitizing Sponsor: Tufts University

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less we are unable to examine the mouth. Parts of a Tooth. The portion of a tooth which is outside the gum, is called thecrown; the portion within the gum, the root; and the line ofunion between the crown and root, is termed the nech Thegrinding surface of a tooth is called the table. Different Kinds of Teeth. A horses teeth (Fig. 194) are divided into: incisors (frontteeth or nippers); canine teeth (tushes); and hack teeth, whichconsist of idremolars and molars. The canine teeth occupy anisolated position between the incisors and back teeth, both ofwhich are, respectively, close to each other. In the lower jaw,the canines are nearer to the incisors than in the upper jaw. Theinterval between the canines and the back teeth is called the DIFFERENT KINDS OF TEETH. 7:^9 diastema, interdental sj^ace, or bar Mare^ h.v. f .1. • mthose of horses ^x\\\^ Ih.. . Maies have teeth similar to always eitti ais n orn a rn^ f the ca^i.^s are almostJ ei aosent 01 m a rudimentary condition (Fig. 247).
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'' 0 oj :> C ^ kH 00 1 olars 4- • t— ON ^ c ** s p: to 0 ^ s .s ci o !-l t:H Ph <«m««^<,„, and a perm««6«< dentition. Thus, the incisors andpremolars wh.ch first appear, are milk teeth that are reTpeotively 47* 740 EXAMINATION FOE AGE. replaced, in due course, by permanent teeth. The molars arenot preceded by milk teeth, and are consequently permanent. Wefrequently find in the mouths of foals, very small, pointed teeth,where the canines subsequently appear. Some authorities regardthese minute teeth as rudimentary milk tushes; but they are soinsignificant in size that we may, practically speaking, even whileconceding this jDoint, look upon the canines as permanent teeth. The typical dental formula of the mammalia (animals whichsuckle their young) is (taking one side of each jaw) : — 3 1 4 3 incisors — canines — premolars — molars — = 44.3 1 4 3 The teeth of the ancestors of the horse, from the pliohippus

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