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
Tissue conditioning material is indicated when: 
Select and explain. 
A. 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
B: Mucosa is inﬂamed due to ill ﬁtting dentures
Answer: B: Mucosa is inﬂamed due to ill ﬁtting dentures 
Explanation: Correction of ill-fitting dentures

Areas of denture causing trauma to the tissues (causing inflammation of oral mucosa) are trimmed and polished.
Generally rough areas on fitting surface are smoothed or relined with tissue conditioner.

Ref: Textbook of prosthodontics V Rangarajan Ed. 2nd