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
Available denture bearing area for edentulous maxilla is 
Select and explain. 
A. 20 cm2, B. 22 cm2, C. 25 cm2, D. 30 cm2
B: 22 cm2
Answer: B: 22 cm2 
Explanation: Researchers have computed the available denture bearing area to be 22.96 cm2  for maxilla and 12.25 cm2  for mandible.