
Example appliance: Incisor intrusion arch with segmental fixed appliances

Example appliance: TAD-supported direct incisor intrusion with segmental fixed appliances
Level of evidence: Moderate
Suitable for ages: 7+ years old
Indications: Anterior deep bite, increased incisor display, normal to proclined incisors, space present for intrusion/retraction
Contraindications: Reduced incisor display, resorption of incisor roots, lack of space for inrusion, any acquired orthodontic risks
Treatment Objectives and Biomechanics
- True incisor intrusion
- Reduce the overbite
- Level the curve of Spee (mandible)
- Reduce gingival display
Appliances / Treatment modalities
- Fixed appliances
- Clear aligners
- Skeletal anchorage – TAD, bone plates
- Headgear – J-hook
- Surgical intrusion
