A treatise on the progress and shedding of the human teeth, to their completion in a permanent state : on the most prevalent causes of their irregularity and decay : and on the means most appropriate to their preservation : to which are added, several illustrative plates, and copious explanatory notes / by R. Maclean.

  • Maclean, R.
Date:
1836
Catalogue details

Licence: Public Domain Mark

Credit: A treatise on the progress and shedding of the human teeth, to their completion in a permanent state : on the most prevalent causes of their irregularity and decay : and on the means most appropriate to their preservation : to which are added, several illustrative plates, and copious explanatory notes / by R. Maclean. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    important point, as the appearance of the teeth differs occasionally, to the extent of many months. In some children, they are visible as early as four or five months after birth, whilst in others, their appearance is delayed until the age of fifteen or even eighteen months. As the time of shedding varies according to the difference of the first appearance of the temporary teeth, and as, consequently, the case of one child is not to be treated in the same manner as that of another at the same age, a knowledge of the period of appearance is very necessary for the guidance of the parent or practitioner, in order to avoid premature interference, the lament- able effects of which, the author trusts, will be evident to every one, on a perusal of the following chapters of this little Treatise. In this place, it will only be necessary further to point out the order in which the teeth appear and are shed. The temporary teeth are twenty in number, ten in each jaw. They come nearly in pairs, those in the under generally preceding those in the upper jaw. The order of their appearance in each jaw is as follows: The first that are .observed are the two central incisors; the next, the two lateral incisors ; then the two first molar teeth, or grinders, followed by the two canine, or eye-teeth; and, lastly, the two second molar teeth. All these are generally completed by the time the child