The following table (adapted from a Schick ad) shows the steps required to view an image with a direct corded sensor as opposed to an indirect phosphor sensor.
Direct Indirect
|
Insert sensor into barrier (once) |
Erase each Plate |
The fact is there is a considerable difference in ease of use and time required to acquire an image. With a direct system the dentist can be viewing the image in less than 10 seconds. With an indirect system the time from exposure to viewing is virtually the same as film.
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