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Effect of tube potential and image receptor on the detection of natural proximal caries in primary teeth. (Sogur, Elif.)

Bibliographical information (record 266724)

Effect of tube potential and image receptor on the detection of natural proximal caries in primary teeth.
Author:	Sogur, Elif. Search Author in Amazon Books
Publisher:	Springer,

Edition:	2011.
Classification:	WU29
URL:	http://library.neu.edu.tr:2048/login?url=http://dx.doi.org/10.1007/s00784-010-0461-3

Detailed notes

- The aim of this study was to assess the detection of proximal caries in primary teeth at three different tube potentials using Ektaspeed films, storage phosphor plates (SPPs), and a charge-coupled device (CCD). Fifty-three extracted human primary molars with natural proximal caries were radiographed with three different imaging modalities-Digora Optime SPP system, RVGui CCD system, and Ektaspeed films-at 50-, 65-, and 70-kV tube potentials. Three observers scored the resultant images for the presence or absence of caries. The definitive diagnosis was determined by stereomicroscopic assessment. The diagnostic accuracy for each imaging modality was expressed as the area under the receiver operating characteristic curves (A (z)). Differences among the A (z) values were assessed using two-way ANOVA and t tests. Kappa was used to measure inter- and intra-observer agreement. Higher accuracy was found for SPPs compared to film and CCD images at all tube potentials. Accuracy was significantly different only at 50-kV tube setting in favor of SPPs (p < 0.05). Inter- and intra-observer agreement was high for all systems. A SPP system can be recommended for dental peadodontic clinics particularly with 50-kV tube potential for the diagnosis of proximal caries since further advantages include the elimination of chemical processing, image enhancement, and a better low-contrast detectability performance.