Developing solutions for dental X-ray processors.
1989
: Six developing solutions suitable for automatic X-ray processors with high developer temperature have been tested during a period of 14 days without replenishment of the chemicals. The results are presented as blackening of dental test films with an image of an aluminium step wedge (penetrometer). Both speed and contrast could be measured in this manner. Freshly mixed solutions showed marked differences in processing of films where the developers Durr, Readymatic (Kodak) and Tetenal (Mediquipe) were best. After 14 days in the processor, the developing effect was poor for most of the tested liquids, due to atmospheric oxidation. The best images, with the least radiation, will be obtained with freshly mixed chemicals suitable for the films used. Besides a lower radiation dose to the patient, due to a short exposure time, blurring caused by the patient's moving will be reduced. Other factors such as the pack and prices must also be taken into consideration in the choice of radiographic solutions.
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