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Dentomaxillofacial Radiology, Vol 22, Issue 1 25-27, Copyright © 1993 by British Institute of Radiology

ARTICLES

Assessment of a new processor containing a self-cleaning synthetic-web transport mechanism

B. Svenson and A. Petersson
Department of Oral Radiology, Postgraduate Dental Education Center, Orebro, Sweden.

The effect of two different types of automatic X-ray processing machines (a roller-based Pantomat P10 and the Velopex which has a novel web transport system) on the accuracy of radiographic diagnosis of caries in extracted premolars was evaluated. Seven observers graded the occurrence of caries and their findings were compared with actual prevalence of the disease. The accuracy was measured with the ROC technique. Kodak Ektaspeed dental X-ray film was used. The results showed no significant differences in diagnostic accuracy between the two developing machines. The Velopex gave a check pattern to the films, but it was not so marked as to have a major influence on diagnostic accuracy.




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Copyright © 1993 by the British Institute of Radiology.