. Elementary and dental radiography . 34. Diagrammatic illustration f the raya striking the tooth and film at such an angle asi» avoid cither lengthening or shortening the shadow cast on the film. MAKING DENTAL RADIOGRAPHS 93 ^k C ■ i rV> Fig. 85. The tube too high, and the resulting Film Fig. 86. Diagrammatic illustration of the rays striking the tooth and film at such an angle asto cause a shortening of the shadow cast on the film. • DENTAL RADIOGRAPHY If the tube be placed too high the teeth on the radiograph will beshorter than the teeth themselves, somewhat distorted and b
. Elementary and dental radiography . 34. Diagrammatic illustration f the raya striking the tooth and film at such an angle asi» avoid cither lengthening or shortening the shadow cast on the film. MAKING DENTAL RADIOGRAPHS 93 ^k C ■ i rV> Fig. 85. The tube too high, and the resulting Film Fig. 86. Diagrammatic illustration of the rays striking the tooth and film at such an angle asto cause a shortening of the shadow cast on the film. • DENTAL RADIOGRAPHY If the tube be placed too high the teeth on the radiograph will beshorter than the teeth themselves, somewhat distorted and blurred ( 86 diagrammatically illustrates the pose in Fig. 85. A study of Figs. 82, 84 and 86 will show that in order to makea radiograph which will not picture the teeth too long nor too short theX-rays should strike the film almost, but not quite, at right angles to itssurface. The angle of the film in Figs. 82, 84 and 86 is what it would
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