case_images: PMC2729489_01
case_images: Short lived staining of the tongue after sucking black Liquorice confection. This stain is water soluble and usually disappears after a few hours.
case_images: CRM2009-170735.003.jpg
case_images: PMC2729489_01_CRM2009-170735.003.jpg
case_images: fig3
case_images: A 55-year-old women presented with a brown/black tongue for routine dental check and maintenance. (See Figure 3).