Fig. 2From: Comparison of diagnostic methods for early interproximal caries detection with near-infrared light transillumination: an in vivo study a PSP-Bitewing radiograph showing proximal caries lesions in both the second premolar (scale 1) and first molar (scale 3) (arrow), (b) NILT image showing the carious lesion only for the second premolar (scale 1) and without any caries lesion (scale 5) for the first molar teethBack to article page