Identifier: etiologyofosseou00talb (find matches)
Title: The etiology of osseous deformities of the head, face, jaws and teeth
Year: 1894 (1890s)
Authors: Talbot, Eugene S. (Eugene Solomon), 1847-1924
Subjects: Head Face Jaw Tooth Abnormalities
Publisher: Chicago, Keener
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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developedjaws, normal in shape) possessed a rope-like projectionextending the entire length of the suture. This develop-ment appeared unlike the excessive development as noticedin modern skulls. It had the appearance of having been firstmade and then glued upon the suture as observed in Fig. 135,No. 1. The deformity of the suture in Nos. 2, 3, 4, 5 and 6,varies in proportion to the width of the arch (in the narrowarch the suture is quite low, or thick, while in the normalarch they are quite flat; the grooves of either side of thesuture are not uniform, one side being deeper than the other.It is claimed by scientific men that these grooves are dueto ossification of the vomer, which would produce rigidity ofthe suture, and the bone upon either side is afterward carriedup. Thus, Clouston* says: Those palates, where the deformity consisted in a ridgedown the center antero-posteriorly, seemed to show that in * Dental Record, May, 1891, p. 200. 386 ETIOLOGY OF OSSEOUS DEFORMITIES OF PLATE A
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THE HEAD, FACE, JAWS AND TEETH 387 them the deformity took place at a later period than in theother deformed palates. When the nasal septum was gettingstronger and kept the center of the palate down, while oneach side of it the palate was drawn up, making two vaultsside by side, instead of one. Plate A, six models are shown,ranging from two to six years. Fig. 1, at two years, showsa ridge extending from a line drawn across the vault at thecuspids, through the entire length of the jaw. Fig. 2, at twoyears, shows a similar condition of the ridges, except that itbegins in the center of the vault at a line drawn across thefirst temporary molar.* Fig. 3, at three years of age, showsa slight ridge just back of the incisors, extending only ashort distance, when the center of the vault is perfectly flat,and the ridge begins again in the posterior part of the vault.Fig. 4, at four years, shows the ridge starting at a line drawnacross the vault at the first molar and extending the entirelength

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