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: Surgery
A 70 years male presented with asymptomatic white patch on oral cavity following application of the denture. Treatment of choice is - 
Select and explain. 
A. Low does radiotherapy, B. Biopsy of the all the tissues, C. Ascertaining the denture is fit properly, D. Antibiotics
C: Ascertaining the denture is fit properly
Answer: C: Ascertaining the denture is fit properly 
Explanation: None