. Injuries and diseases of the jaws : the Jacksonian prize essay of the Royal College of Surgeons of England, 1867. an incision across the cheek from the angle of the 318 OPERATIONS ON THE UPPER JAW. mouth to the malar bone (fig. 145), or when the tumourwas very large, employed in addition an incision throughthe lip into the nostril, with a vertical cut at the malarbone (fig. 146). With the saw and bone-forceps the maxillawas separated from its attachments and removed. Lizars example was followed by most of the leadingsurgeons of the day, but Mr. Liston requires especial notice,since he perfor


. Injuries and diseases of the jaws : the Jacksonian prize essay of the Royal College of Surgeons of England, 1867. an incision across the cheek from the angle of the 318 OPERATIONS ON THE UPPER JAW. mouth to the malar bone (fig. 145), or when the tumourwas very large, employed in addition an incision throughthe lip into the nostril, with a vertical cut at the malarbone (fig. 146). With the saw and bone-forceps the maxillawas separated from its attachments and removed. Lizars example was followed by most of the leadingsurgeons of the day, but Mr. Liston requires especial notice,since he performed some of the earliest and most importantoperations of the kind, and in his essay, which has beenfrequently referred to {Medico-Chirurgiccd Transactions,vol. XX.), brought the subject and its relations to variousforms of disease prominently under the notice of the pro-fession. Mr. Liston seems to have been strongly impressedwith the notion that malignant disease of the jaw shouldnot be interfered with, but this idea does not prevail amongoperating surgeons of the present day, for it is felt that it Fig. is better to act upon the principle which guides operationsupon cancerous growths in other parts of the body—to OPERATIONS ON THE UPPER JAW. 319 remove the growths, if feasible, in the hope of giving atleast relief if not a permanent cure. Syme, Mott, Velpeau, Dieffenbach, OShaughnessy, Hey-felder, Fergusson, and Butcher may be mentioned as havingperformed the operation of excision of the superior maxillarepeatedly and successfully, and to Sir William Fergussonespecially is due the proposal of modifications of the greatestmoment in the method of procedure. Noticing the con-siderable deformity resulting from an incision from theangle of the mouth, which necessarily divides the facialnerve (fig. 147), and still more when a flap of skin hasbeen reflected from the face by a double incision (fig. 56),Sir William Fergusson devised the plan of carrying the Fiti. 148.


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