b1b2b3b3-2b3-3b4b4-2b4-3b5b6b
b7b7-2b7-3b7-4b7-5b7-6b7-7b7-8b7-9b
b8b8-2b9b9-2b9-3b10b10-2b10-3b11b11-2b11-3b

Where should we place the orthodontic treatment goal?


i‚QjDiagnostic engineering


Ÿ5.Estimation of period for each step

Step- 4
Upright the lower anterior@ until the goal
„(Additional use of Class III elastic when it is insufficient)

Progress Lateral Cephalogram
„Evaluate the upright of the lower incisors
„Additional use of Class III elastic when it is insufficient

Step- 5
Stabilize the lower arch
„iAnchorage for class II elastics, establishment of the class I molar relationj

Step- 6
Retract@ upper anterior (Retrogression of A point using Class II elastic)

Correct deep over bite using the Lever Arm