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
If placing the PPS too deeply, it will result in the displacement of the denture: 
Select and explain. 
A. Anteriorly, B. Posteriorly, C. Laterally, D. Downwards
A: Anteriorly
Answer: A: Anteriorly 
Explanation: None