This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'A patient who has been wearing denture for quite long time reported with flabby tissue behind the ridge. What will be the most likely diagnosis? \nSelect and explain. \nA. Trauma due to denture, B. Vitamin B2 deﬁciency, C. Epulis ﬁssuratum, D. Neumann’s tumor', 'role': 'user'}, {'content': "Answer: C \nExplanation: The epulis fissuratum is a tumorlike hyperplasia of fibrous connective tissue that develops in association with the flange of an ill-fitting complete or partial denture. Although, the simple term 'epulis' sometimes is used synonymously for epulis fissuratum, epulis is actually a generic term that can be applied to any tumor of the gingiva or alveolar mucosa.", 'role': 'assistant'}]