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
Overbites must be reduced during the first stage of class II / I treatment to: 
Select and explain. 
A. Prevent traumatic overbite, B. Disengage buccal cusps, C. Allow lower space to close, D. Permit full overjet reduction
D: Permit full overjet reduction
Answer: D: Permit full overjet reduction 
Explanation: None