English: Identifier: diseasesofinfa00kopl (find matches)
Title: The diseases of infancy and childhood
Year: 1910 (1910s)
Authors: Koplik, Henry, 1858- (from old catalog)
Subjects: Children
Publisher: New York and Philadelphia, Lea & Febiger
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress
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Text Appearing Before Image:
entieth year, or even later. Abnormal Dentition.—Rachitis.—Kachitis is a common cause ofdelayed dentition. Artificially-fed infants are backward in cuttingtheir first incisors. It is common to see bottle-fed infants cutting thelower anterior incisors at the ninth month. The infants may be inother respects normal. Rachitis affects the teeth of the first denti-tion mostly, but may influence the form and structure of the teeth ofthe second dentition. The teeth of the first dentition in rachitis areeasily broken and are unnaturally white. In many cases the anteriorincisors show an incurvation on the lower cutting edge, which is oftenmistaken for Hutchinsons deformity. The first teeth in rachitis areeasily eroded. It is not uncommon to see a rachitic infant with itswhole dental system in process of decay. The permanent teeth pre-sent abnormalities in inordinate size and longitudinal furrows. Syphilis.—The permanent teeth are affected by syphilis in a char-acteristic fashion. Fig. 96.
Text Appearing After Image:
Hutchinsons teeth in a boy. twelve years of aye. Hutchinson s 2VW//.—Hutchinsons teeth are so called becausethey were first described by Jonathan Hutchinson. The) arc theonly teeth of the permanent se1 which are pathognomonic of congen-ital or very early acquired syphilis (infancy) (Fig, 96), In a large 472 DISEASES OF THE MOUTH. experience with syphilis in infancy and childhood I have seen hutfew perfect examples of these teeth. The teeth presenting the de-formity are the central upper incisors of the permanent set, and theseonly. These teeth show a central single, rather broad notch. Inthis notch the dentine, lightly covered by enamel, is exposed. It is Fig. 97.
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