Treatment of a caf au lait macule with the erbium:YAG laser Journal of the American Academy of Dermatology Melanocytic Lesions A Guide to Clinical Differential Diagnosis of Oral Mucosal Lesions Continuing Education Course dentalcare.com and Lights for Treating Pigmented Lesions Plastic Surgery KeyPlastic Surgery Key Treatment of labial melanotic macules on the lip. These are benign spots that appear on the lips for no apparent reason. The causes are mostly genetic, but similar spots can appear in Oral Melanotic Macule: Symptoms and Treatment Skinsight A Black Spot on the Upper Gum for Many Years: Melanotic Macule Springer Nature Link