. Elementary and dental radiography / by Howard Riley Raper . mend clothing, of such size that when foldedover the film packet (Fig. 84C and D) it will extend beyond the packet 98 DENTAL RADIOGRAPHY on the three open sides, about one-half inch. Warm the edges of thetissue slightly by passing it over the flame of an alcohol lamp, or Bunsenburner, and pinch them together. Then warm them (the edges) to stick-iness again and turn them back and stick them to the tissue covering theback—, the non-sensitive side—of the film packet. There is no particular advantage derived from preparing ones ownf
. Elementary and dental radiography / by Howard Riley Raper . mend clothing, of such size that when foldedover the film packet (Fig. 84C and D) it will extend beyond the packet 98 DENTAL RADIOGRAPHY on the three open sides, about one-half inch. Warm the edges of thetissue slightly by passing it over the flame of an alcohol lamp, or Bunsenburner, and pinch them together. Then warm them (the edges) to stick-iness again and turn them back and stick them to the tissue covering theback—, the non-sensitive side—of the film packet. There is no particular advantage derived from preparing ones ownfilm packet, and the practice is rapidly being discontinued. When theX-ray machine used is small and the time of exposure is long, it may befound expedient sometimes to give more protection against moisture thanis afforded by the oil paper of the prepared film packet. For the time being, owing to the war in Europe, the Eastman is theonly available X-ray film so far as I am able to learn. The Ilford and theSchleussner are X-ray films manufactured Fig. So. Position of film in mouth for making radiographs of the upper cuspid, bicuspid and first molar region. The smooth side of the Eastman film packet, the opposite side to theone on which the ends of the covering paper lap, represents the sensitiveside of the enclosed films. When placing the film packet in the mouthhave the sensitive side of the films—, the smooth side of the packet—present toward the teeth. Except when intensifying screens are used (seeindex: intensifying screen) the sensitive side of films and plates alwayspresent toward the object to be radiographed and the X-ray tube. With the film placed in the mouth as per Fig. 85 Posterior teeth ^ie Pose snou^ be as *n Fig. 86. Figure 8/ is a dia-grammatic illustration of the pose shown in Fig. the film placed in the mouth as per Fig. 85, Fig. 88 representsan incorrect pose. The angle at which the X-rays are directed at the MAKING DENTAL RADIOGRAP
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