g. Drying. Wet films must be handled carefully so that the emulsion is not
touched or marred. After washing, the hanger should be hung carefully upon the drying
rack. A pan under the rack serves to catch water dripping from films. Drying is done by
leaving the film suspended in the air until it is completely dry. Drying may be speeded
up by directing a current of air from a small electric fan over the film's surface or by
using an x-ray film drier (see figure 3-10).
Figure 3-10. X-ray drier.
Section III. FAULTY RADIOGRAPHS
Errors in improperly exposing or processing dental films can produce undesirable
dental radiographs of nondiagnostic quality. These are known as faulty radiographs.
The dental x-ray specialist should be familiar with the common causes of faulty
radiographs and how to prevent them.