. Radiography and radio-therapeutics . re of the Inferior Maxilla (Mandible). — This bone isfrequently injured. Four positions are available : (1) antero-posterior ;(2) lateral; (3) film in the mouth; (4) oblique lateral. The condyle maybe injured when the bone is subjected to direct violence. The coronoidprocess may be fractured by either direct or indirect violence. It is somewhat difficult to get a good radiograph of one side of thelower jaw, because of the superimposing of the shadows. Probably the bestmethod to employ is to centre the tube behind and a little below the angleof the jaw. Wi
. Radiography and radio-therapeutics . re of the Inferior Maxilla (Mandible). — This bone isfrequently injured. Four positions are available : (1) antero-posterior ;(2) lateral; (3) film in the mouth; (4) oblique lateral. The condyle maybe injured when the bone is subjected to direct violence. The coronoidprocess may be fractured by either direct or indirect violence. It is somewhat difficult to get a good radiograph of one side of thelower jaw, because of the superimposing of the shadows. Probably the bestmethod to employ is to centre the tube behind and a little below the angleof the jaw. With the plate on the injured side, the tube is centred over aspot behind and below the angle of the uninjured jaw, thus avoiding theoverlapping of the latter. By using the above method it is possible to obtain a picture of the siderequired, showing the whole of the lower jaw in profile, the temporo-maxillaryarticulation being well shown. This is also a useful method when it isnecessary to examine the jaw for tumour or dental FRACTURES OF THE VERTEBRAE 241
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