Epulis Fissuratum — MFDS Part 1 MCQ
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Correct answer: B — Chronic irritation from an ill-fitting denture flange
The correct answer is B. Epulis fissuratum, also termed denture-induced inflammatory fibrous hyperplasia, is a reactive soft-tissue enlargement produced by repeated mechanical irritation from an ill-fitting or overextended denture flange. It typically develops where the denture border chronically traumatises the vestibular mucosa. Viral infection and autoimmune disease are not recognised causes of this characteristic denture-related lesion. Nutritional deficiencies may produce diffuse mucosal changes such as atrophy or ulceration but do not cause epulis fissuratum. Some medicines can cause generalised gingival enlargement, notably around teeth, but this is distinct from the localised fibrous folds associated with a denture flange.
Reference: Widad EG, Merzouk N, Jihane SH. Prosthetic management of an epulis fissuratum with simple conditioning tissue: A case report. International Journal of Surgery Case Reports. 2024;122:110130. https://pubmed.ncbi.nlm.nih.gov/39154561/