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Bitewing and Digital Bitewing Radiography for Detection of Caries Lesions

Department of Oral Radiology, Royal Dental College, University of Aarhus, Vennelyst Blvd., DK-8000 Aarhus C, Denmark; awenzel{at}odont.au.dk

View larger version (20K): [in a new window]   Figure 1. Differences in diagnostic accuracy (Receiver Operating Characteristics areas) for caries detection in approximal surfaces between recent digital sensor, storage phosphor, and film modalities.

View larger version (107K): [in a new window]   Figure 2. Subtraction image between two digital bitewing radiographs taken in general dental practice two years apart in the same individual. Due to a non-optimal standardization of the recordings, the teeth in each jaw are subtracted separately, here the upper jaw. The box illustrates a new filling, the white circle a new deep approximal caries lesion, and the black circle progression of a former enamel lesion into the dentin.