1. 7-8 yrs
1.1. Goal
1.1.1. Ideal upper incisior position
1.1.2. Space enough for future eruption
1.2. Armamentary
1.2.1. 2 by 4
1.2.2. Quad helix
1.2.3. Face mask
1.3. Evalution
1.3.1. Lateral Cephalometric
1.3.2. VTO (3D planing)
1.3.3. Golden ratio
1.4. Procedure
1.4.1. 1. Accomplished the gold
1.4.2. 2. Remove Bracket
1.4.3. 3. Freeze by Passive Activator with U/L labial bow
2. 8-12 yrs
2.1. Make a decision
2.1.1. Surgery
2.1.1.1. Good alignment for each arch
2.1.1.2. Freeze by Spint + upper RTN until 20 yrs
2.1.2. Non surgery
2.1.2.1. Tx affordable (Compromised (OJ <-4 mm ))
2.1.2.1.1. Unpleasant profile
2.1.2.1.2. 2nd time tx possible
2.1.2.2. Tx unaffordable
2.1.2.2.1. Natural compromise
2.1.2.2.2. Life time Splint + upper RTN
2.1.2.2.3. Compromised after 20 yrs, if OJ <-4 mm
3. >12 yrs
3.1. Make a decision
3.1.1. Surgery
3.1.1.1. 1. Completed 28 teeth eruption
3.1.1.2. 2, Freeze by splint + upper RTN
3.1.1.3. 3. Surgery after 18-20 yrs
3.1.1.4. 4. Profile improved
3.1.2. Non surgery
3.1.2.1. Tx affordable (Compromised (OJ <-4 mm ))
3.1.2.1.1. Unpleasant profile
3.1.2.1.2. 2nd time tx possible
3.1.2.2. Tx unaffordable
3.1.2.2.1. Life time Splint + upper RTN
3.1.2.2.2. Compromised after 20 yrs, if OJ <-4 mm