Activators advance the mandible several millimeters for Class II correction.

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Multiple Choice

Activators advance the mandible several millimeters for Class II correction.

Explanation:
Activators are designed to posture the lower jaw forward to correct Class II relationships. By advancing the mandible several millimeters, they aim to stimulate forward mandibular growth and accompanying dental and muscular adaptations. The maxilla isn’t the primary target of this appliance—the main mechanism is moving the mandible forward. Some secondary dental or skeletal changes can occur, but the primary effect is mandibular advancement.

Activators are designed to posture the lower jaw forward to correct Class II relationships. By advancing the mandible several millimeters, they aim to stimulate forward mandibular growth and accompanying dental and muscular adaptations. The maxilla isn’t the primary target of this appliance—the main mechanism is moving the mandible forward. Some secondary dental or skeletal changes can occur, but the primary effect is mandibular advancement.

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