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
Reduction of overbite can be accomplished most readily by which of the following tooth movements? 
Select and explain. 
A. Intruding maxillary incisors, B. Uprighting maxillary and mandibular incisors, C. Using a high-pull headgear to the maxillary molars, D. Using a lip bumper
A: Intruding maxillary incisors
Answer: A: Intruding maxillary incisors 
Explanation: Intruding incisors would decrease overbite while uprighting teeth and using a high-pull headgear could make overbite correction more difficult. A lip bumper would likely have little effect on overbite.