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
Which of the following determine path of placement or removal of RPD 
Select and explain. 
A. Guiding planes, B. Retentive areas, C. Interferences, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: The factors that will determine the path of placement and removal are guiding planes, retentive areas, interference, and esthetics.