Violation
Which of the following Class II Division 1 malocclusion(s) is/are most likely to be corrected with a cervical headgear?
Prognathic maxilla, decreased lower face height, increased over bite.
Retrognathic mandible, retrognathic maxilla, open bite.
Increased lower anterior face height, prognathic mandible, retrognathic maxilla.
Open bite, prognathic maxilla, prognathic mandible.