Orthodontics · single question
Which treatment restrains maxillary growth in an adolescent with maxillary protrusion?
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Correct answer: B. Cervical-pull headgear
Cervical-pull headgear applies a distal and downward force to the maxilla, restraining its forward growth u2014 ideal for Class II with maxillary protrusion. Reverse-pull (facemask) pulls the maxilla forward for Class III; palatal expander widens the transverse dimension; bionator encourages mandibular advancement.