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Case Reports in Dentistry
Volume 2013, Article ID 561040, 4 pages
Case Report

Refractory Pigmentation Associated with Laugier-Hunziker Syndrome following Er:YAG Laser Treatment

1Department of Oral Medicine and Surgery, Faculty of Dentistry, Istanbul University, 34093 Istanbul, Turkey
2Department of Oral Diagnosis, School of Dentistry, University of Sao Paulo, 05508-900 Sao Paulo, SP, Brazil
3Department of Periodontology, Istanbul Faculty of Medicine, Istanbul University, 34093 Istanbul, Turkey

Received 18 September 2013; Accepted 30 October 2013

Academic Editors: R. A. de Mesquita and C. S. Farah

Copyright © 2013 Sertan Ergun et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The present report describes a case of Laugier-Hunziker syndrome (LHS), a rare benign condition. A patient with LHS develops acquired melanotic pigmentation of the lips and buccal mucosa, often with pigmentation of the nails occurring. No systemic symptoms are associated with this syndrome. Normally, no treatment is required for this condition, unless for aesthetic reason, mainly due to pigmentation on the lip mucosa. We present a case of LHS, 37-year-old female, whose pigmentations on her lip and in the oral cavity were treated with an Er:YAG laser. At the postoperative 12th month followup, the lesions recurred. The effects of any surgical attempt to treat pigmentations associated with LHS were discussed.