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
Which of the following headgear is preferred while treating a class II div. 1 malocclusion with a horizontal growth trend? 
Select and explain. 
A. High pull head gear, B. Medium pull head gear, C. Cervical head gear, D. Reverse pull head gear
C: Cervical head gear
Answer: C: Cervical head gear 
Explanation: Cervical headgears cause extrusion of maxillary molars and thus increase the lower facial height. So these are generally indicated in low mandibular angle cases (horizontal growers) as an increase in lower facial height would be beneficial in these patients.