The family dentist : containing a brief description of the structure, formation, diseases, and treatment of the human teeth / by Josiah F. Flagg.

  • Flagg, Josiah F. (Josiah Foster), 1788-1853.
Date:
1822
Catalogue details

Licence: Public Domain Mark

Credit: The family dentist : containing a brief description of the structure, formation, diseases, and treatment of the human teeth / by Josiah F. Flagg. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

    20/96
    found buried in the socket, when the bony process, of which the socket is formed, is in a perfect state. The hard or bony structure of the teeth is described as consisting of two substances ; one of a dense osseous nature, much harder than that of any of the other bones, and of which are formed all the internal parts of the crowns, the whole of the necks, and also the fangs of the teeth. The enamel, or external covering, is the other hard sub- stance, which, however, forms only a part of the crown. It is of a peculiar nature, possessing a hardness and density exceeding that of any other substance in the whole body, and covers the crowns of all the teeth, but is seldom in any part more than a line in thickness. It is thickest, at those parts which are most exposed to use ; and thin- nest, at those nearest the gums. The teeth, like the other bones, are hol- low, having a cavity in their crowns, corres- ponding, in form, to the external part of the tooth, and a canal in each fang, extending from this cavity, and terminating by a small opening in the point of the fang. These cavities, however, are not, as is commonly supposed, for the lodgment of marrow, as in the other bones, but to give pUce to