Labial melanotic macule Melanotic Macules, Naevi, and Melanoma Springer Nature Link Pigmented Lesions of the Oral Mucosa Pocket Dentistry Oral Melanotic Macule: Symptoms and Treatment Skinsight 56M with an asymptomatic, darkly pigmented lesion on the attached gingiva of the maxilla, an irregularly shaped macule with varied pigmentation, including shades of black, brown, and gray. Brendan Gallagher, DDS Laugier Hunziker Syndrome: A Rare Cause of Oral Mucosa Pigmentation Yosuke Iijima, Nami Nakayama, Miki Yamada, Shunsuke Hino, Norio Horie, Takahiro Kaneko, 2023