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
Incorporation of peripheral seal in an impression is necessary to obtain; 
Select and explain. 
A. Stability, B. Functionally moulded periphery, C. Harmonious occlusion, D. Posterior palatal seal
B: Functionally moulded periphery
Answer: B: Functionally moulded periphery 
Explanation: None