The lectures of Boyer, upon diseases of the bones / arranged into a systematic treatise by A. Richerand ; translated from the French by M. Farrell.

Boyer, Alexis, Baron, 1757-1833.

Date:: 1807

Credit: The lectures of Boyer, upon diseases of the bones / arranged into a systematic treatise by A. Richerand ; translated from the French by M. Farrell. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

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$Fracture of the lower jaw is in general not very dangerous. When simple, it would get well spontaneously; but there would be, it is true, some deformity, which it is the surgeon's duty to prevent. Compound fractures of the lower jaw are more dangerous ; and if the nerve which goes to the teeth, be torn, which rarely happens, be- cause the greater part of these fractures take place between the symphysis and the foramen by which this nerve comes out from the con- duit through which it runs in the substance of the. bone, the square and triangular muscles of the chin are paralysed. The skin of that part and the internal membrane of the under lip preserve their sensibility, which it appears they owe to vSome threads of the portio dura of the seventh pair; but the paralysis of these muscles does not prove of itself that the jaw- is fractured. In order to set a fracture simple or double of the lower jaw, it suffices to push the deranged part upward, and a little forward, and after- ward?, by pressing on the basis of the bone, to bring it exactly on a level with the portion which has preserved its natural position ; which may$