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Delayed Diagnosis of Desquamative Gingivitis Topical medications include high-potency corticosteroid gels or rinses or calcineurin inhibitors. Intralesional corticosteroid injections can be performed, usually with 5 to 10 mg/mL triamcinolone. Systemic medications include corticosteroids, dapsone, minocycline, mycophenolate mofetil, azathioprine, cyclophosphamide, tumor necrosis factor-alpha inhibitors, and rituximab. 1, 6, 7, 19 In addition, frequent professional dental cleanings have been shown to reduce inflammation from MMP. 6, 25 A combination approach can also be utilized. Our patient was treated with topical steroids and dapsone. This case highlights the potential impact of a delay in definitive diagnosis of MMP. Several factors contributed to this case. The clinical presentation was slightly atypical, with exclusive gingival involvement. Further, the stage of the disease when the patient consulted with specialists affected the diagnosis. In the early stages, the characteristic features of MMP may not have been present. Trials of multiple, ineffective treatments and the number of providers seen added to the delay. Unfortunately, clinicians cannot control all of these factors, such as the atypical presentation and varying signs during different stages of disease, but awareness of these factors among complex oral conditions can help prevent a delayed diagnosis. Physicians and dentists should be knowledgeable about dermatologic conditions affecting the oral mucosa and know how to consult with the appropriate specialists. CONFLICT OF INTEREST No potential conflict of interest relevant to this article was reported. ACKNOWLEDGEMENTS The authors would like to acknowledge Ms. Deborah Goggin for her assistance in editing this manuscript and Dr. Maria Alzona for her descriptive input in the histological analysis of the biopsy specimens. REFERENCES 1. Scully C, Lo Muzio L. Oral mucosal diseases: mucous membrane pemphigoid. Br J Oral Maxillofac Surg. 2008;46(5):358-66. 2. Mitchell RD. Cicatricial Pemphigoid [master’s thesis]. Surry Hills, Australia: Faculty of Dentistry, University of Sydney; 1984. 3. Sneddon IB. Cicatricial pemphigoid and skin grafts. Arch Dermatol. 1962;86:226-28. 4. Chan MH, Wolf JC. Biopsy techniques and di