A collection of resources for RACGP exams Next Gen GP Text Book live webinars AKT and KFP questions The Prevalence of Oral Pigmented Lesions among Sample of Dental Students. Labial melanotic macule Clinical Challenge: Dark Lesion on Lower Lip MPR Spot the Dot! Growths on the lips are not too common. Clinically, this was consistent with a labial melanotic macule (aka freckle on the lip). These are benign growths which can be