Desquamative gingivitis

Desquamative gingivitis is a clinical finding with several potential etiologies, and therefore histologic examination should be performed to confirm the diagnosis before the implementation of systemic therapy. The best methods for obtaining a mucosal biopsy specimen are discussed to aid the dermatologist in approaching these patients, and indications for additional testing, such as immunofluorescence studies, are reviewed. Desquamative gingivitis is uncommon, and there are no systematic guidelines to assist the physician in treatment, producing a practice gap in management.