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
Appliance of choice in cases with anteroposterior
maxillary deficiency is 
Select and explain. 
A. Cervical pull headgear, B. Reverse pull headgear, C. Occipital pull headgear, D. Parietal pull headgear
B: Reverse pull headgear
Answer: B: Reverse pull headgear 
Explanation: None