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
The theory of impression making that presumes that interfacial surface tension is the only factor responsible for retention. 
Select and explain. 
A. Mucostatic technique, B. Mucocompressive technique, C. Selective pressure technique, D. All of the above
A: Mucostatic technique
Answer: A: Mucostatic technique 
Explanation: Non pressure or mucostatic theory was given by Page, who wrote that, interfacial surface tension was the best way to retain dentures.