Annual and analytical cyclopaedia of practical medicine . dyle, or thecoronoid process may be of the body are, by far, themost common. They are almost ahvayscompound and occur usually in themiddle line or else are double, one oneach side. Unilateral fractures are com-paratively infrequent. The displace-ment is usually vertical and from beforebackward, as well. It may be appre-ciated by the finger inside the fractures of the ramus there is littleor no displacement. In those of the con-dyle that process is usually drawn for- ward on to the cmiiientia articularis, the
Annual and analytical cyclopaedia of practical medicine . dyle, or thecoronoid process may be of the body are, by far, themost common. They are almost ahvayscompound and occur usually in themiddle line or else are double, one oneach side. Unilateral fractures are com-paratively infrequent. The displace-ment is usually vertical and from beforebackward, as well. It may be appre-ciated by the finger inside the fractures of the ramus there is littleor no displacement. In those of the con-dyle that process is usually drawn for- ward on to the cmiiientia articularis, thelower fragment slipping up into theglenoid cavity and so causing the chinto deviate to that side. The diagnosis is easy except in fract-ure of the ramus, where local tender-ness and pain on closing the jaws maybe the only symptoms. Treatment.—A mild antiseptic washshould be employed frequently to lessenthe danger of infection and to clear themouth of the foul and acid dischargefrom the wound. Under such treatmentwith efficient immobilization the wound. Fig. 2.—Four-tailed bandage for fractiue oflower jaw. (Stinisnii.) may be expected to heal kindly, thoughoccasionally it is impossible to preventsuppuration and necrosis. Immobilization.—Though reductionis easy, the deformity tends to reproduceitself, to overcome which tendency agreat number of mechanical devices havebeen introduced. The principles em-ployed are external pressure, exemplifiedby the four-tailed bandage (Fig. 3), wir-ing of the bone or teeth (several oneither side lest they pull out), and theinterdental splint. This is a piece ofgutta-percha or vulcanized rubber 294 FRACTURES. LARYNX. STERNUM. RIBS. CLAVICLE. molded to fit between the upper andlower teeth and of snch width as to holdthe jaws slightly separated so that fluidsmay be introduced through a hole boredin its centre. This is applied and thejaw bound firmly by a four-tailed band-age. The first two methods may provesatisfactory; but the dental splint,t
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