Gingival pigmentation of recent origin. Oral melanoacanthoma.

@article{Brooks2008GingivalPO,
  title={Gingival pigmentation of recent origin. Oral melanoacanthoma.},
  author={John K Brooks and Nikolaos Georgios Nikitakis},
  journal={General dentistry},
  year={2008},
  volume={56 1},
  pages={105, 108}
}