Figure 1. Effect of exposure on image quality for digital radiography. a) With an appropriate exposure good bony detail is seen. b) Underexposure results in an image which is grainy or mottled in appearance. Note the brightness and contrast is acceptable but detail is lost.

Using computed radiography — how does it compare to film-screen radiography?

If plain film packets are incorrectly filed it may take a long time to locate them. Films may also get lost, especially if sent in the post or if filed incorrectly. In these cases there is sometimes...