This presentation demonstrates two different upper 4s / lower 5s extraction cases with differential diagnosis. One is a typical Class II malocclusion case in a growing patient, the other is a severe Class II malocclusion with TMJ problem.
Attain an awareness of basic concept of Differential Diagnosis and Space Analysis.
Recognize the effects of High pull J-hook Headgear used in correction of Class II malocclusion.
Generate an appreciation for the factors that may influence profile changes after treatment.