Oral Mucosal Melanosis IntechOpen Does anyone know what this black mark on my lip is? Started last August so it's I've had it nearly a year, was living in Spain at the time for 6 months Oral Mucosal Melanosis IntechOpen Labial melanotic macule a Melanotic macule at the wetdry line of the lower lip. b Melanotic Download Scientific Diagram This lovely patient was thrilled with her beautiful result after laser treatment of oral melanotic macules. I share this case to educate: laser treatment requires accurate diagnosis, an understanding