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: Dental
[{'content': 'Tissue conditioning material is indicated when: \nSelect and explain. \nA. Tissue symptoms are related to diabetes, B. Mucosa is inﬂamed due to ill ﬁtting dentures, C. Mandibular tori is present, D. Large maxillary tori is present', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Correction of ill-fitting dentures\n\nAreas of denture causing trauma to the tissues (causing inflammation of oral mucosa) are trimmed and polished.\nGenerally rough areas on fitting surface are smoothed or relined with tissue conditioner.\n\nRef: Textbook of prosthodontics V Rangarajan Ed. 2nd', 'role': 'assistant'}]