. Atlas and epitome of traumatic . ntrusted to a dentist,who may be able to savesome of the teeth thathave become loosened. Ihave sometimes obtained agood result by simply se-curing a fragment with anail. The mouth must bekept clean with a 3 %boric acid solution, and thepatient put on liquid diet. Fracture of the lowerjaw is a more frequentaccident. The conditionis easily recognized, eitherfrom without or throughthe mouth, so very littleneeds to be said about thediagnosis. In fractures of the body or arch of the lowerjaw a typical dislocation is observed, the posterior frag-ment being drawn up
. Atlas and epitome of traumatic . ntrusted to a dentist,who may be able to savesome of the teeth thathave become loosened. Ihave sometimes obtained agood result by simply se-curing a fragment with anail. The mouth must bekept clean with a 3 %boric acid solution, and thepatient put on liquid diet. Fracture of the lowerjaw is a more frequentaccident. The conditionis easily recognized, eitherfrom without or throughthe mouth, so very littleneeds to be said about thediagnosis. In fractures of the body or arch of the lowerjaw a typical dislocation is observed, the posterior frag-ment being drawn upward by the masseter, while the an-terior fragment is displaced downward by the action of thedigastric and other muscles attached to the chin. In the great majority of cases there is also a certainlateral dislocation by virtue of which the two fragmentsoverride each other so that the arch of the bone becomesshorter and narrower. Double fracture of the lower jawis occasionally met with, and comminuted fractures arenot so very Fig. 26.—Specimen of fractureof the lower jaw with lateral dis-placement. 104 FRACTURES AND DISLOCATIONS. PLATE 16. Fractures of the Lower Jaw.—Fig. 1.—Recent fracture of thebody of the lower jaw. The line of fracture is oblique and corre-sponds with the region of the molar teeth which have disappeared.( Institute, Munich.) Fig. 2.—Interesting oblique fracture of the body of the lower jaw,involving both articular processes ; recent. The preparation is evi-dently the product of a very severe injury, probably a fall on the chin(see Fig. 3, Plate 12, including the description). ( In-stitute, Munich.) Figs. 3 a and 3 b.—Fracture of the articular process of the lowerjaw. The outer view (Fig. 3 a), and even more so the inner view(Fig. 3 6), shows the fragment which was diplaced downward andfirmly held in that position. On the injured side the coronoid processprojects beyond the upper extremity of the condyloid process ; th
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