1. 7-8 ปี
1.1. Goal
1.1.1. Ideal upper incisor position
1.1.2. Space enough for future eruption
1.2. Tx Sequence
1.2.1. 1. Accomplished the goal of treatment
1.2.2. 2. Remove Appliance
1.2.3. 3. Retention by Passive Activator
1.3. Evaluation
1.3.1. Lateral Cephalometric
1.3.2. VTO (3D planning)
1.3.3. Golden ration
1.4. Armamentary
1.4.1. 2 by 4
1.4.2. Quad helix
1.4.3. U/L arch expansion
1.4.4. Active activator
2. 8-12 ปี
2.1. Prognathic maxilla
2.1.1. Growth control by Head gear (off 10 yrs)
2.1.2. Freeze by Passive Activator
2.2. Retrognathic mandible
2.2.1. Suprahyoid M length testing
2.2.1.1. Tx affordable
2.2.1.1.1. Early growth Fixed+Fx Apps
2.2.1.1.2. Late growth Fixed+Fx Apps
2.2.1.2. Tx unaffordable
2.2.1.2.1. High chance of surgery
2.2.1.2.2. Try
3. >12 ปี
3.1. Make a decision
3.1.1. Surgery
3.1.1.1. 1.Completed 28 teeth eruption
3.1.1.1.1. Freeze by active activator(Before 12yrs)
3.1.1.2. 2. Freeze by splint + Upper RTN
3.1.1.3. 3. Surgery after 20 yrs
3.1.1.4. 4. Profile improved
3.1.2. Non Surgery
3.1.2.1. Tx affordable(Compromised OJ<10 mm
3.1.2.1.1. Tx selection
3.1.2.1.2. Occlusion
3.1.2.1.3. Unpleasant profile
3.1.2.2. Tx unaffordable
3.1.2.2.1. Splint+ Upper RTN
3.1.2.2.2. Advance jaw training