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Abstract

The treatment timing is the most important factor in the correction of skeletal Class II malocclusion. The treatment effect in contribution of mandibular growth in the circumpubertal growth period is better than that in the pre-pubertal growth period in use of no matter what kind of orthodontic appliance. This report is a case of skeletal Class II malocclusion with mandibular deficiency. By using functional appliance (Activator) and fixed orthodontic appliance in the circumpubertal growth period, the malocclusion and retruded mandibular profile had been successfully improved.

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