. The science and practice of dental surgery. uence,and the result is simply that the fracturedportion exfoliates instead of becoming more extensive fracture involving a consider-able portion of the alveolus and the includedteeth has, however, sometimes occurred, andthere is always a danger of this when faultymethods of extraction are employed. Accord-ing to Heath (7) fracture of the neck of thecondyle is always caused by a fall from aconsiderable height; a case is recorded by SirA. Pearce Gould (6) in which tliis injury wascaused by the patient being violently thrownfrom a dogcart
. The science and practice of dental surgery. uence,and the result is simply that the fracturedportion exfoliates instead of becoming more extensive fracture involving a consider-able portion of the alveolus and the includedteeth has, however, sometimes occurred, andthere is always a danger of this when faultymethods of extraction are employed. Accord-ing to Heath (7) fracture of the neck of thecondyle is always caused by a fall from aconsiderable height; a case is recorded by SirA. Pearce Gould (6) in which tliis injury wascaused by the patient being violently thrownfrom a dogcart and falling on the chin. Position.—The site of the fracture is usuallyin the horizontal ramus. This part of the boneis, as has been explained, near to the centre of the arch, and it is less well protected by the softparts, which diminish the intensity of the commonest position is through the socketof the canine tooth because, on account of thelength of the root, the bone is weakest at thatspot. The next most frequent positions are. Fig. 916.—Donlile Fracture with much recorded by Malgaigne.(Heath : Injuries and Diseases of the Jaws.) at the symphysis, in the region of the mentalforamen, and just in front of the angle. Frac-tures of the ascending ramus can only be theresult of considerable direct violence, e. g. beingrun over by a vehicle; weak spots that areoccasionally the site of fracture are the neck
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentistry, bookyear19
