. Elementary and dental radiography / by Howard Riley Raper . Fig. 99. Position of film in the mouth for radiographing lower cuspid and bicuspid region. See pose Fig. 100. now in use by the writer. For the upper teeth, the patient holds the film,with the thumb usually. For the lower posterior teeth the film holderillustrated in Fig. 333 is used. For the lower anterior teeth the patientholds the film with the finger or with the Leach film holder. The set ofLeach film holders, designed by Dr. Floyd Leach of Chicago, illustratedin Fig. 106, have been in the hands of the writer only a few days now
. Elementary and dental radiography / by Howard Riley Raper . Fig. 99. Position of film in the mouth for radiographing lower cuspid and bicuspid region. See pose Fig. 100. now in use by the writer. For the upper teeth, the patient holds the film,with the thumb usually. For the lower posterior teeth the film holderillustrated in Fig. 333 is used. For the lower anterior teeth the patientholds the film with the finger or with the Leach film holder. The set ofLeach film holders, designed by Dr. Floyd Leach of Chicago, illustratedin Fig. 106, have been in the hands of the writer only a few days now— no DENTAL RADIOGRAPHY. Fig. 100. Pose for radiographing the lower cuspid and bicuspid region with the position of thefilm as in Fig. 99. Radiograph made from this pose. Tipping the tube is not necessaryand not advisable if the film can be placed down far enough. an insufficient length of time to give them a fair trial. It may, neverthe-less, be stated that the Leach film holders will be found very useful,especially to the beginner. Dr. Tousey, of New York City, and Dr. Ketcham, of Denver, havealso designed special dental film holders. I am not inclined to consider the question of the operator or assistantholding the film, further than to warn you against the practice. (See MAKING DliNTAL RADIOGRAPHS in chapter VIII.) Do not do it; the repeated exposure is dangerous. Havethe patient hold the film. Some difficulty due to gagging is sometimes experienced when thefilm is held in position for upper second and third molars. To patientswho will not tolerate the film in this location, I sometimes say this: Iknow yo
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