COM March 2009 Diagnosis UW School of Dentistry A) Hairy black tongue. (B) Linea alba. (C) Oral melanotic macule. (D) Download Scientific Diagram case 348 what's black hairy tongue? lingua villosa Nigra, tetracycline, melanosis, leucoplakia ,navi Congenital lingual melanotic macule: an underreported entity? European Journal of Pediatric Dermatology Indian patient (mid 70s) with chief concern tongue is turning black. Swipe for more photos. These post inflammatory changes are more common in folks with more melanin in their skin. The underlying