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 most accepted theory of tooth eruption is 
Select and explain. 
A. Hydrodynamic theory, B. Clone theory, C. Periodontal ligament traction theory, D. Vascular theory
C: Periodontal ligament traction theory
Answer: C: Periodontal ligament traction theory 
Explanation: None