ADA NBDE National Board Dental Part II

Answer: C - Erythema multiforme is reactive in nature. The origins of the lesions are from sulfa drugs, vaccinations, and viral infections. These lesions primarily present on the face and extremities. Oral lesions present as vesicles and ulcerations and spread widely throughout the oral cavity. Treatment includes systemic corticosteroids, acyclovir, and the discontinuation of causative drugs.