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The Natural History of the Human Teeth; Explaining Their Structure, Use, Formation, Growth, and Diseases in Two Parts
John Hunter
Paperback. General Books LLC 2009-12-22.
ISBN 9781150314278
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Publisher description
General Books publication date: 2009 Original publication date: 1865 Original Publisher: R. Hardwicke Subjects: Teeth Dentistry Tooth Tooth Diseases Medical / Dentistry / General Notes: This is a black and white OCR reprint of the original. It has no illustrations and there may be typos or missing text. When you buy the General Books edition of this book you get free trial access to Million-Books.com where you can select from more than a million books for free. Excerpt: OF THE PERIOSTEUM OF THE TEETH. The Teeth, as we observed, are covered hy an Enamel only at their bodies; but at their fangs they have a Periosteum, which, though very thin, is vascular, and appears to be common to the Tooth which it incloses, and the socket, which it lines as an investing internal membrane, (if) It covers the Tooth a little beyond the bony socket, and is there attached to the Gum. twigs, O'Ol'" to 0'02'". These asceud into the pulp cavity without forming at first considerable anastomoses, but giving off separate fibrils. On reaching the thicker part of the pulp, they form a rich plexus " with elongated meshes and collections of nerve tubes, and thus gradually break up into fine primitive fibres, O-OOl" to 0-0016â?¢ in diameter." These primitive fibres form evident loops, but it is uncertain whether they represent the absolute terminations. (1) Mr Tomes states that he has been unable to trace any connection between the ultimate nerve fibres of the pulp and the dentinal fibrillaa which he describes. (2) It would appear that at least in some instances the size of the nerve supplying the tooth-pulp is proportionate to the size and importance of the tooth. Thus Professor Owen notices the large size of the nerve supplying the laniary in the Dog and other Carnivora. In the Boar, he observes that the nerve supplying the developed tusk is still larger, having relation not only to the size of the tooth, but also to the continual reproduction of the matrix at its base. (3)] (y) [A d
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The Natural History of the Human Teeth; Explaining Their Structure, Use, Formation, Growth, and Diseases in Two Parts
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