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 replacement of missing part by artificial substitute is called as: 
Select and explain. 
A. Obturator, B. Tongue blade, C. Prosthesis, D. Myofunctional appliance
C: Prosthesis
Answer: C: Prosthesis 
Explanation: None