. Minor and operative surgery, including bandaging . Bilateral dislocation of the lower jaw. (Ashhurst.) Dislocations of the Lower Jaw.—These dislocationsmay consist in the displacement of one or both condyles DISLOCATIONS OF RIBS AND COSTAL CARTILAGES. 421 of the lower jaw from the glenoid fossse, constituting theunilateral or bilateral dislocation of the jaw; the latter isthe more common form of dislocation of the jaw met with,and the deformity resulting is shown in Fig. 307. The redaction of a dislocation of the lower jaw is accom-plished as follows : The surgeon placing his thumbs, wellpro
. Minor and operative surgery, including bandaging . Bilateral dislocation of the lower jaw. (Ashhurst.) Dislocations of the Lower Jaw.—These dislocationsmay consist in the displacement of one or both condyles DISLOCATIONS OF RIBS AND COSTAL CARTILAGES. 421 of the lower jaw from the glenoid fossse, constituting theunilateral or bilateral dislocation of the jaw; the latter isthe more common form of dislocation of the jaw met with,and the deformity resulting is shown in Fig. 307. The redaction of a dislocation of the lower jaw is accom-plished as follows : The surgeon placing his thumbs, wellprotected by strips of bandage or a towel, on the molarteeth or behind them, presses the angles of the jaw down-ward while he elevates the chin with his fingers, and bythis manipulation the condyles of the jaw usually slip backinto place with a snap (Fig. 308). After reduction of the Fig. Method of reducing dislocation of the lower jaw. (Hamilton.) dislocation the jaw should be fixed for a week or ten daysby the application of a Bartons bandage or a four-tailedsling. Dislocation of the Hyoid Bone.—A few cases of dis-location of the hyoid bone have been recorded ; the treat-ment consists in throwing back the head as far as possible,to place the muscles of the neck upon the stretch, depress-ing the lower jaw, and pressing the luxated bone intoposition. Dislocations of the Ribs and Costal Cartilages.—The ribs may be dislocated at their vertebral articulationsor at the junction with the costal cartilages, or the carti-lages may be separated from the sternum. These injuriesresult from the application of great force, and are often 422 DISLOCATIONS. fatal from associated injuries of the thoracic treatment of these dislocations consists in reducingthe displacement by manipulation and pressure, and thenin fixing the chest to secure immobility of the ribs bystrap
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