Example appliance: Reverse pull headgear
Level of evidence: Moderate
Suitable for ages: 8-10 years old
Indications: Maxilla retrognathic Class III skeletal base, Class III dental malocclusion
Contraindications: Mandible prognathic Class III skeletal base, high angle mandibular plane, severely proclined upper incisors
Treatment Objectives and Biomechanics
- Orthopaedic protraction of maxilla
- Restraint of mandible forward growth
Appliances
- Headgears – reverse pull headgear, chin cup headgear
- Functional appliances – reverse Twin Block, Frankel III